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-1382-00 | JIC-4 (M) to 1/8 BSPP, Steel | 1/8″ BSPP to JIC-4 flare steel fitting. | $25.00 | |
 | 00HDW-0370-00 | CGA-540 Nipple | Nipple CGA-540, 1/4 NPT-M w/filter, brass | $13.00 | |
 | 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-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-0104-01 | SAE-2-M to 1/8 Compression, Stainless Steel | S.S. SAE-2-M to 1/8″ compression fitting. | $15.95 | |
 | 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-0376-00 | DIN 477-9 Nut | Nut-DIN-477-9. | $45.00 | |
 | 00HDW-0366-00 | CGA-870 Yoke | CGA-870 Yoke 1/4″ NPT-M with sealing washer. | $99.00 | |
 | 00HDW-0370-01 | CGA-540 Nipple w/ O-ring | Nipple CGA-540, 1/4 NPT-M w/filter & O-ring, brass. | $21.00 | |
 | 00HDW-0212-BB | Ferrule Back, 1/8" Compression, Brass | Brass 1/8″ ferrule back compression fitting. | $5.50 | |
 | 00HDW-0336-00 | 1/4 NPT-M Tee, Brass | 1/4 NPT-M tee, brass | $29.00 | |
 | 00HDW-0214-ST | Ferrule Set, 3/16" Compression, Brass | Brass 3/16″ ferrule and ring compression set. | $9.00 | |
 | 00HDW-0206-00 | Tee Union 3/16 in. 3-Way, Brass | Brass tee 3/16″ tube, 3-way compression fitting. | $35.00 | |
 | 00VEN-0112-01 | PTFE Tape, Oxygen-Use-Approved | Aviation oxygen-approved high-density PTFE tape. | $4.95 | |
 | 00HDW-0373-02 | DIN 477-9 Nipple (New Euro Style) | Nipple DIN 477-9 to 1/4 NPT-M. | $95.00 | |
 | 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-0108-01 | SAE-4-M to 1/8" Compression, Stainless Steel | S.S. SAE-4-M to 1/8″ compression fitting. | $78.00 | |
 | 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-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-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-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-1381-02 | SAE-4 (M) to JIC-4 Flare, Steel | SAE-4 (M) to JIC-4 flare steel fitting. | $6.25 | |
 | 00HDW-0334-00 | Street Tee 1/4 NPT, Brass | Brass 1/4″ NPT street tee | $69.00 | |
 | 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-0364-00 | Reducing Adapter for Steel Cylinders | Reducing Adapter, 1in NGT x 3/4-16 UNF | $60.00 | |
 | 00HDW-0204-00 | Tee Union 1/8-in. 3-Way, Brass | Brass tee 1/8″ tube, 3-way compression fitting. | $45.00 | |
 | 09005-0001-00 | E-Clip Retaining Ring for CGA Nipples. | Retaining ring E 5/8 | $1.00 | |
 | 00HDW-0366-02 | Washer for CGA-870 Cyl. Yoke | Replacement sealing washer for all TA-870 products. | $1.00 | |
 | 00HDW-0356-00 | CGA-540 Socket, 1/4 NPT-F | CGA-540 socket | $22.00 | |
 | 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-0348-00 | Cross 1/4 NPT-F, Brass | Brass cross 1/4″ NPT-F | $70.00 | |
 | 00HDW-0212-ST | Ferrule Set, 1/8" Compression, Brass | Brass 1/8″ ferrule and ring compression set. | $9.00 | |
 | 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-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-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-0338-00 | 1/4 Branch Tee, Brass | 1/4 branch tee, brass | $16.00 | |
 | 00HDW-1321-00 | JIC-4 to JIC-4 Flare, SS | NEW ADD | $45.00 | |
 | 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-0110-00 | SAE-4-M to 3/16 Compression, Brass | Brass SAE-4-M to 3/16″ compression fitting. | $28.00 | |
 | 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-0360-00 | CGA-540 Socket, 1/4 NPT-M | 1/4 NPT-M to CGA-540-S brass | $21.00 | |
 | 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-0355-00 | 1/4 NPT-F Bulkhead .99, Brass | Brass 1/4″ NPT-F bulkhead .99 fitting | $12.50 | |
 | 00HDW-0214-NB | Ferrule Nut, 3/16, Compression, Brass | Brass 3/16″ ferrule nut compression fitting. | $16.00 | |
 | 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-1381-01 | SAE-4 (M) to JIC-4 Flare, SS | SAE-4 (M) to JIC-4 flare SS fitting. | $34.00 | |
 | 00HDW-0397-02 | Valve Line w/Bleed | Inline bleed valve.
| $219.00 | |
 | 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-0315-00 | SAE-4 (F) to 1/8 NPT-M, Brass | Brass adaptor 1/8″ NPT-M to -4 SAE-F | $69.00 | |
 | 00HDW-0216-00 | Ferrule/Amp; Nut Set, 1/8" Compression, Stainless Steel | Stainless-steel 1/8″ ferrule & nut set compression fitting. | $16.35 | |
 | 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-0214-BB | Ferrule Back, 3/16" Compression, Brass | Brass 3/16″ ferrule back compression fitting. | $4.50 | |
 | 00HDW-0214-00 | Ferrule/Amp; Nut Set, 3/16" Compression, Brass | Brass 3/16″ ferrule & nut set compression fitting. | $25.00 | |
 | 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-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-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-0317-00 | JIC-4 (M) to 1/4 NPT-F, Brass | Brass -4 JIC-M to 1/4″ NPT-F | $25.00 | |
 | 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-0346-00 | Tee Branch 1/8 NPT, Brass | Brass branch tee 1/8″ NPT | $39.00 | |
 | 00HDW-0374-00 | DIN 477-9 Socket | DIN 477-9 socket, 1/4 NPT-F. | $70.00 | |
 | 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 | |
 | 09001-0011-90 | O-Ring 2-011 V90 | Replacement O-ring for all CGA-540 regulator & trans-fill. | $1.00 | |
 | 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-0176-01 | Tube Union 3/16 to 3/16, SS | Brass tube union 3/16″ to 3/16″ compression fitting. | $30.00 | |
 | 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-0362-00 | CGA-540 Hand-Grip Nut | Nut CGA-540 with hand grip. | $32.00 | |
 | 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-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-0351-00 | 1/8 NPT-F Bulkhead .99, Brass | Brass 1/8″ NPT-F bulkhead .99 fitting | $39.00 | |
 | 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-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 | |
 | 09001-3113-70 | O-Ring 2-113 E70 (DIN) | Replacement O-ring for all DIN-477#9 regulators & transfill. | $1.00 | |
 | 00HDW-0212-FB | Ferrule Front, 1/8" Compression, Brass | Brass 1/8″ ferrule front compression fitting. | $5.50 | |
 | 00HDW-0113-00 | JIC-4 (M)-1/8NPT(F), Brass | Brass 4 JIC-M to 1/8″ NPT-F compression fitting. | $21.50 | |
 | 00HDW-1383-02 | SAE-4 (M) to JIC-4, 90º, Steel | SAE-4 to JIC-4 90º steel fitting. | $27.00 | |
 | 00HDW-0306-00 | Union 1/8 NPT-F, Brass | Brass union 1/8″ NPT-F to 1/8″ NPT-F | $19.00 | |
 | 00HDW-0340-00 | Union Tee 1/8 NPT-F, Brass | Brass union tee 1/8″ NPT-F | $48.00 | |
 | 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-0358-00 | Nut CGA-540 Brass | Nut, CGA-540 brass | $7.50 | |
 | 00HDW-0350-00 | Cross 1/8 NPT-F, Brass | Brass cross 1/8″ NPT-F | $17.00 | |
 | 00HDW-0319-00 | JIC-4 (M) to 1/4 NPT-M, Brass | Brass 1/4″ NPT-M to -4 JIC-M | $9.50 | |
 | 00HDW-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-0212-00 | Ferrule/Amp; Nut Set, 1/8" Compression, Brass | Brass 1/8″ ferrule & nut set compression fitting. | $19.25 | |
 | 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-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-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-0218-00 | Ferrule/Amp; Nut Set, 3/16" Compression, Stainless Steel | Stainless-steel 3/16″ ferrule & nut set compression fitting. | $27.95 | |
 | 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-0174-00 | Tube Union 1/8 to 1/8, Brass | Brass tube union 1/8″ to 1/8″ compression fitting. | $27.00 | |
 | 00HDW-0332-00 | Union Tee 1/4 NPT-F, Brass | Brass union tee 1/4″ NPT-F | $47.20 | |
 | 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-0202-00 | JIC-4 (M) to 1/8 NPT-M Brass Tee | Brass union tee -4 JIC to 1/8″ NPT-M | $49.95 |