Hardware: High-pressure Fittings
Don’t be fooled by Brass Hardware. All if our brass hardware is specifically designed for use with High Pressure applications. All fittings are pre-cleaned for Oxygen use per MH ESR-008.
Use of non rated high pressure hardware may result in injury or death.
All of our hardware have an operating pressure of at least 3,000 psi (207 bar)
NOTE: You will see big swings in prices on most fittings especially in Brass.
This is due to material and labor price increases.
Some hardware fittings have been discontinued or not available in Brass.
In those cases we have had to switch to Stainless Steel as a alternative, if available.
The lower prices you see on our hardware fittings is most likely older stock.
Everything we order in as new stock has had huge price increases.
- Display 50 Products per page
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Gas Fittings, CGA-540 (12)
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Gas Fittings, DIN 477-9 (4)
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Compression Fittings (30)
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In-Line Valves (3)
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Pipe-JIC-SAE Fittings (43)
High Pressure
| Image | SKU | Name | Summary | Price | Buy |
|---|---|---|---|---|---|
 | 00HDW-0338-00 | 1/4 Branch Tee, Brass | 1/4 branch tee, brass | $16.00 | |
 | 00HDW-0355-00 | 1/4 NPT-F Bulkhead .99, Brass | Brass 1/4″ NPT-F bulkhead .99 fitting | $12.50 | |
 | 00HDW-0336-00 | 1/4 NPT-M Tee, Brass | 1/4 NPT-M tee, brass | $29.00 | |
 | 00HDW-0329-00 | 1/4 NPT-M to 1/8-F Reducing Elbow | 1/4 NPT-M to 1/8-F reducing elbow | $55.00 | |
 | 00HDW-0351-00 | 1/8 NPT-F Bulkhead .99, Brass | Brass 1/8″ NPT-F bulkhead .99 fitting | $39.00 | |
 | 00HDW-0118-00 | 1/8 NPT-M to 1/8 Compression, Brass | Brass 1/8″ NPT-M to 1/8″ tube compression fitting. | $24.00 | |
 | 00HDW-0312-00 | Adapter 1/4 NPT-F to 1/8 NPT-M, Brass | Brass adapter: 1/4″ NPT-F to 1/8″ NPT-M | $14.00 | |
 | 00HDW-0310-00 | Adapter 1/8 NPT-M to 1/4 NPT-M, Brass | Brass adapter: 1/8″ NPT-M to 1/4″ NPT-M | $15.00 | |
 | 00HDW-0362-00 | CGA-540 Hand-Grip Nut | Nut CGA-540 with hand grip. | $32.00 | |
 | 00HDW-0370-00 | CGA-540 Nipple | Nipple CGA-540, 1/4 NPT-M w/filter, brass | $13.00 | |
 | 00HDW-0370-01 | CGA-540 Nipple w/ O-ring | Nipple CGA-540, 1/4 NPT-M w/filter & O-ring, brass. | $21.00 | |
 | 00HDW-0370-04 | CGA-540 Nipple w/ O-ring, 1/8 NPT-F | Nipple CGA-540 with O-ring 1/8 NPT-F. | $29.00 | |
 | 00HDW-0356-00 | CGA-540 Socket, 1/4 NPT-F | CGA-540 socket | $22.00 | |
 | 00HDW-0360-00 | CGA-540 Socket, 1/4 NPT-M | 1/4 NPT-M to CGA-540-S brass | $21.00 | |
 | 00HDW-0366-00 | CGA-870 Yoke | CGA-870 Yoke 1/4″ NPT-M with sealing washer. | $99.00 | |
 | 00HDW-0348-00 | Cross 1/4 NPT-F, Brass | Brass cross 1/4″ NPT-F | $70.00 | |
 | 00HDW-0350-00 | Cross 1/8 NPT-F, Brass | Brass cross 1/8″ NPT-F | $17.00 | |
 | 00HDW-0373-02 | DIN 477-9 Nipple (New Euro Style) | Nipple DIN 477-9 to 1/4 NPT-M. | $95.00 | |
 | 00HDW-0376-00 | DIN 477-9 Nut | Nut-DIN-477-9. | $45.00 | |
 | 00HDW-0374-00 | DIN 477-9 Socket | DIN 477-9 socket, 1/4 NPT-F. | $70.00 | |
 | 09005-0001-00 | E-Clip Retaining Ring for CGA Nipples. | Retaining ring E 5/8 | $1.00 | |
 | 00HDW-0320-00 | Elbow 1/4 NPT-F to 1/4 NPT-F, Brass | Brass elbow 1/4″ NPT-F to 1/4″ NPT-F | $40.00 | |
 | 00HDW-0316-00 | Elbow 1/4 NPT-M to 1/4 NPT-M, Brass | Brass elbow 1/4″ NPT-M to 1/4″ NPT-M | $26.50 | |
 | 00HDW-0324-00 | Elbow 1/4 NPT-M to F, Brass | Brass elbow 1/4″ NPT-M to 1/4″ NPT-F | $24.00 | |
 | 00HDW-0322-00 | Elbow 1/8 NPT-F to 1/8 NPT-F, Brass | Brass elbow 1/8″ NPT-F to 1/8″ NPT-F | $14.00 | |
 | 00HDW-0152-00 | Elbow 1/8 NPT-F to 1/8, Brass | Brass elbow 1/8″ NPT-F to 1/8″ compression fitting. | $40.00 | |
 | 00HDW-0326-00 | Elbow 1/8 NPT-M to 1/8 NPT-F, Brass | Brass elbow 1/8″ NPT-M to 1/8″ NPT-F | $29.00 | |
 | 00HDW-0318-00 | Elbow 1/8 NPT-M to 1/8 NPT-M, Brass | Brass elbow 1/8″ NPT-M to 1/8″ NPT-M | $15.00 | |
 | 00HDW-0150-00 | Elbow 1/8 NPT-M to 1/8, Brass | Brass elbow 1/8″ NPT-M to 1/8″ compression fitting. | $35.00 | |
 | 00HDW-0154-00 | Elbow 1/8 NPT-M to 3/16, Brass | Brass elbow 1/8″ NPT-M to 3/16″ compression fitting. | $25.00 | |
 | 00HDW-0212-BB | Ferrule Back, 1/8" Compression, Brass | Brass 1/8″ ferrule back compression fitting. | $5.50 | |
 | 00HDW-0214-BB | Ferrule Back, 3/16" Compression, Brass | Brass 3/16″ ferrule back compression fitting. | $4.50 | |
 | 00HDW-0212-FB | Ferrule Front, 1/8" Compression, Brass | Brass 1/8″ ferrule front compression fitting. | $5.50 | |
 | 00HDW-0214-NB | Ferrule Nut, 3/16, Compression, Brass | Brass 3/16″ ferrule nut compression fitting. | $16.00 | |
 | 00HDW-0212-ST | Ferrule Set, 1/8" Compression, Brass | Brass 1/8″ ferrule and ring compression set. | $9.00 | |
 | 00HDW-0214-ST | Ferrule Set, 3/16" Compression, Brass | Brass 3/16″ ferrule and ring compression set. | $9.00 | |
 | 00HDW-0212-00 | Ferrule/Amp; Nut Set, 1/8" Compression, Brass | Brass 1/8″ ferrule & nut set compression fitting. | $19.25 | |
 | 00HDW-0216-00 | Ferrule/Amp; Nut Set, 1/8" Compression, Stainless Steel | Stainless-steel 1/8″ ferrule & nut set compression fitting. | $16.35 | |
 | 00HDW-0214-00 | Ferrule/Amp; Nut Set, 3/16" Compression, Brass | Brass 3/16″ ferrule & nut set compression fitting. | $25.00 | |
 | 00HDW-0218-00 | Ferrule/Amp; Nut Set, 3/16" Compression, Stainless Steel | Stainless-steel 3/16″ ferrule & nut set compression fitting. | $27.95 | |
 | 00HDW-0317-00 | JIC-4 (M) to 1/4 NPT-F, Brass | Brass -4 JIC-M to 1/4″ NPT-F | $25.00 | |
 | 00HDW-0319-00 | JIC-4 (M) to 1/4 NPT-M, Brass | Brass 1/4″ NPT-M to -4 JIC-M | $9.50 | |
 | 00HDW-1382-00 | JIC-4 (M) to 1/8 BSPP, Steel | 1/8″ BSPP to JIC-4 flare steel fitting. | $25.00 | |
 | 00HDW-0202-00 | JIC-4 (M) to 1/8 NPT-M Brass Tee | Brass union tee -4 JIC to 1/8″ NPT-M | $49.95 | |
 | 00HDW-0325-00 | JIC-4 (M) to 1/8 NPT-M Elbow, Brass | Elbow, brass JIC-4 (M) to 1/8″ NPT-(M) | $27.00 | |
 | 00HDW-0321-00 | JIC-4 (M) to 1/8 NPT-M, Union Brass | Brass union -4 JIC-M to 1/8″ NPT-M | $6.70 | |
 | 00HDW-0113-00 | JIC-4 (M)-1/8NPT(F), Brass | Brass 4 JIC-M to 1/8″ NPT-F compression fitting. | $21.50 | |
 | 00HDW-1321-00 | JIC-4 to JIC-4 Flare, SS | NEW ADD | $45.00 | |
 | 00HDW-0111-00 | JIC-5 (M) to 1/8 NPT-M, Union-Brass | Brass union JIC-5-M to 1/8″ NPT-M | $15.00 | |
 | 00HDW-0358-00 | Nut CGA-540 Brass | Nut, CGA-540 brass | $7.50 | |
 | 09001-0011-90 | O-Ring 2-011 V90 | Replacement O-ring for all CGA-540 regulator & trans-fill. | $1.00 | |
 | 09001-3113-70 | O-Ring 2-113 E70 (DIN) | Replacement O-ring for all DIN-477#9 regulators & transfill. | $1.00 | |
 | 00VEN-0112-01 | PTFE Tape, Oxygen-Use-Approved | Aviation oxygen-approved high-density PTFE tape. | $4.95 | |
 | 00HDW-0364-00 | Reducing Adapter for Steel Cylinders | Reducing Adapter, 1in NGT x 3/4-16 UNF | $60.00 | |
 | 00HDW-0104-01 | SAE-2-M to 1/8 Compression, Stainless Steel | S.S. SAE-2-M to 1/8″ compression fitting. | $15.95 | |
 | 00HDW-0315-00 | SAE-4 (F) to 1/8 NPT-M, Brass | Brass adaptor 1/8″ NPT-M to -4 SAE-F | $69.00 | |
 | 00HDW-0113-05 | SAE-4 (M) to 1/8-Inch NPT-F, Brass | SAE-4M to 1/8 NPT-F, brass (with O-ring). | $24.00 | |
 | 00HDW-1381-01 | SAE-4 (M) to JIC-4 Flare, SS | SAE-4 (M) to JIC-4 flare SS fitting. | $34.00 | |
 | 00HDW-1381-02 | SAE-4 (M) to JIC-4 Flare, Steel | SAE-4 (M) to JIC-4 flare steel fitting. | $6.25 | |
 | 00HDW-1383-02 | SAE-4 (M) to JIC-4, 90º, Steel | SAE-4 to JIC-4 90º steel fitting. | $27.00 | |
 | 00HDW-0108-05 | SAE-4-M To 1/8 Compression, (S.S.), with Filter | SAE-4-M to 1/8″ compression fitting with filter (stainless steel). | $91.00 | |
 | 00HDW-0108-01 | SAE-4-M to 1/8" Compression, Stainless Steel | S.S. SAE-4-M to 1/8″ compression fitting. | $78.00 | |
 | 00HDW-0110-05 | SAE-4-M to 3/16 Compression with Filter, Brass | Brass SAE-4-M to 3/16″ compression fitting with Filter. | $43.00 | |
 | 00HDW-0110-00 | SAE-4-M to 3/16 Compression, Brass | Brass SAE-4-M to 3/16″ compression fitting. | $28.00 | |
 | 00HDW-0334-00 | Street Tee 1/4 NPT, Brass | Brass 1/4″ NPT street tee | $69.00 | |
 | 00HDW-0346-00 | Tee Branch 1/8 NPT, Brass | Brass branch tee 1/8″ NPT | $39.00 | |
 | 00HDW-0378-00 | TEE Coupler CGA-540 (Brass) | TEE coupler CGA-540 (brass). | $69.00 | |
 | 00HDW-0342-00 | Tee Run 1/8 NPT, Brass | Brass street tee 1/8″ NPT | $48.75 | |
 | 00HDW-0204-00 | Tee Union 1/8-in. 3-Way, Brass | Brass tee 1/8″ tube, 3-way compression fitting. | $45.00 | |
 | 00HDW-0206-00 | Tee Union 3/16 in. 3-Way, Brass | Brass tee 3/16″ tube, 3-way compression fitting. | $35.00 | |
 | 00HDW-0136-00 | Tube Fitting 1/4 NPT-F to 1/8 Compression, Brass | Brass 1/4″ NPT-F to 1/8″ tube compression fitting. | $20.00 | |
 | 00HDW-0145-00 | Tube Fitting 1/4 NPT-F to 3/16, Brass | Brass 1/4″ NPT-F to 3/16″ tube compression fitting. | $82.00 | |
 | 00HDW-0138-00 | Tube Fitting 1/4 NPT-M to 3/16, Brass | Brass 1/4″ NPT-M to 3/16″ tube compression fitting. | $25.00 | |
 | 00HDW-0134-00 | Tube Fitting 1/4" NPT-M to 1/8" Compression, Brass | Brass 1/4″ NPT-M to 1/8″tube compression fitting. | $23.00 | |
 | 00HDW-0120-00 | Tube Fitting 1/8 NPT-F to 1/8 Compression, Brass | Brass 1/8″ NPT-F to 1/8″ tube compression fitting. | $30.00 | |
 | 00HDW-0122-01 | Tube Fitting 1/8 NPT-M to 3/16" Compression, Stainless Steel | S.S. 1/8″ NPT-M to 3/16″ tube compression fitting. | $35.00 | |
 | 00HDW-0124-01 | Tube Fitting 1/8" NPT-F to 3/16" Compression, Stainless Steel | S.S 1/8″ NPT-F to 3/16″ tube compression fitting. | $42.00 | |
 | 00HDW-0182-00 | Tube Union 1/8 to 1/8 BH, Brass | Brass bulkhead union 1/8″ to 1/8″ compression fitting. | $21.00 | |
 | 00HDW-0174-00 | Tube Union 1/8 to 1/8, Brass | Brass tube union 1/8″ to 1/8″ compression fitting. | $27.00 | |
 | 00HDW-0176-01 | Tube Union 3/16 to 3/16, SS | Brass tube union 3/16″ to 3/16″ compression fitting. | $30.00 | |
 | 00HDW-0304-00 | Union 1/4 NPT-F to 1/4 NPT-F, Brass | Brass union 1/4″ NPT-F to 1/4″ NPT-F | $29.00 | |
 | 00HDW-0300-00 | Union 1/4 NPT-M to 1/4 NPT-M, Brass | Brass union 1/4″ NPT-M to 1/4″ NPT-M | $16.00 | |
 | 00HDW-0306-00 | Union 1/8 NPT-F, Brass | Brass union 1/8″ NPT-F to 1/8″ NPT-F | $19.00 | |
 | 00HDW-0302-00 | Union 1/8 NPT-M to 1/8 NPT-M, Brass | Brass union 1/8″ NPT-M to 1/8″ NPT-M | $10.00 | |
 | 00HDW-0352-00 | Union 1/8 NPT-M to F, Brass | Brass union 1/8″ NPT-M to 1/8″ NPT-F | $21.50 | |
 | 00HDW-0308-00 | Union Reducing 1/4 NPT-F to 1/8 NPT-F, Brass | Brass reducing union 1/4″ NPT-F to 1/8″ NPT-F | $28.00 | |
 | 00HDW-0314-00 | Union Reducing 1/4 NPT-M to 1/8 NPT-F, Brass | Brass reducing union 1/4″ NPT-M to 1/8″ NPT-F | $7.50 | |
 | 00HDW-0332-00 | Union Tee 1/4 NPT-F, Brass | Brass union tee 1/4″ NPT-F | $47.20 | |
 | 00HDW-0340-00 | Union Tee 1/8 NPT-F, Brass | Brass union tee 1/8″ NPT-F | $48.00 | |
 | 00HDW-0397-02 | Valve Line w/Bleed | Inline bleed valve.
| $219.00 | |
 | 00HDW-0397-01 | Valve, Line, Main Transfer | Sherwood “YVA” Series Valve. 1/4″ NPT-F inlet – 1/4″ NPT-M outlet. 6000 PSI working pressure. | $100.00 | |
 | 00HDW-0395-00 | Valve, Line, Panel Mount | 1/4″ NPT-F inlet – 1/4″ NPT-M outlet. Bulkhead-mounted. 6000 PSI working pressure. | $89.00 | |
 | 00HDW-0366-02 | Washer for CGA-870 Cyl. Yoke | Replacement sealing washer for all TA-870 products. | $1.00 |