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 300 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 (29)
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In-Line Valves (3)
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Pipe-JIC-SAE Fittings (42)
High Pressure
| Image | SKU | Name | Summary | Price | Buy |
|---|---|---|---|---|---|
 | 00HDW-0325-00 | JIC-4 (M) to 1/8 NPT-M Elbow, Brass | Elbow, Brass JIC-4 (M) to 1/8″ NPT-(M) | $23.00 | |
 | 00HDW-0214-00 | Ferrule & Nut Set, 3/16" Compression, Brass | Brass 3/16″ Ferrule & Nut Set Compression Fitting. | $13.50 | |
 | 00HDW-0346-00 | Tee Branch 1/8 NPT, Brass | Brass Branch Tee 1/8″ NPT | $39.00 | |
 | 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-0212-00 | Ferrule & Nut Set, 1/8" Compression, Brass | Brass 1/8″ Ferrule & Nut Set Compression Fitting. | $19.25 | |
 | 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-0373-02 | DIN 477-9 Nipple (New Euro Style) | Nipple DIN 477-9 to 1/4 NPT-M | $95.00 | |
 | 00HDW-0342-00 | Tee Run 1/8 NPT, Brass | Brass Street Tee 1/8″ NPT | $48.75 | |
 | 00HDW-0332-00 | Union Tee 1/4 NPT-F, Brass | Brass Union Tee 1/4″ NPT-F | $39.00 | |
 | 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 | $35.00 | |
 | 00HDW-1381-02 | SAE-4 (M) to JIC-4 Flare, Steel | SAE-4 (M) to JIC-4 Flare Steel Fitting. | $6.25 | |
 | 00HDW-0176-01 | Tube Union 3/16 to 3/16, SS | Brass Tube Union 3/16″ to 3/16″ Compression Fitting. | $30.00 | |
 | 00HDW-0376-00 | DIN 477-9 Nut | Nut-DIN-477-9 | $45.00 | |
 | 00HDW-0212-BB | Ferrule Back, 1/8" Compression, Brass | Brass 1/8″ Ferrule Back Compression Fitting. | $5.50 | |
 | 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-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-0108-01 | SAE-4-M To 1/8" Compression, Stainless Steel | S.S. SAE-4-M to 1/8″ Compression Fitting. | $75.00 | |
 | 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-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 | |
 | 00VEN-0112-01 | PTFE Tape, Oxygen Use Approved | Aviation oxygen approved high density PTFE tape. | $4.95 | |
 | 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-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-0110-00 | SAE-4-M To 3/16 Compression, Brass | Brass SAE-4-M to 3/16″ Compression Fitting. | $28.00 | |
 | 00HDW-0324-00 | Elbow 1/4 NPT-M to F, Brass | Brass Elbow 1/4″ NPT-M to 1/4″ NPT-F | $24.00 | |
 | 09001-0011-90 | O-RING 2-011 V90 | Replacement O-Ring for all CGA-540 Regulator & Trans-fill. | $1.00 | |
 | 00HDW-0364-00 | Reducing Adapter for steel cylinders | Reducing Adapter, 1 in NGT x 3/4-16 UNF | $60.00 | |
 | 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 | $7.15 | |
 | 00HDW-0174-00 | Tube Union 1/8 to 1/8, Brass | Brass Tube Union 1/8″ to 1/8″ Compression Fitting. | $27.00 | |
 | 00HDW-0329-00 | 1/4 NPT-M to 1/8-F Reducing Elbow | 1/4 NPT-M to 1/8-F Redu. Elbow | $55.00 | |
 | 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 | $26.50 | |
 | 00HDW-0319-00 | JIC-4 (M) to 1/4 NPT-M, Brass | Brass 1/4″ NPT-M to -4 JIC-M | $9.50 | |
 | 00HDW-0358-00 | Nut CGA-540 Brass | Nut, CGA-540 brass | $7.15 | |
 | 00HDW-1381-01 | SAE-4 (M) to JIC-4 Flare, SS | SAE-4 (M) to JIC-4 Flare SS Fitting. | $34.00 | |
 | 00HDW-1321-00 | JIC-4 to JIC-4 Flare, SS | NEW ADD | $45.00 | |
 | 09001-3113-70 | O-RING 2-113 E70 (DIN) | Replacement O-Ring for all DIN-477#9 regulators & transfill. | $1.00 | |
 | 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-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-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-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-0397-02 | Valve line w/bleed | Inline Bleed Valve
| $179.00 | |
 | 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-0397-01 | Valve, Line, Main Transfer | 1/4″ NPT-F Inlet – 1/4″ NPT-M Outlet 6000 PSI Working Pressure | $100.00 | |
 | 00HDW-0321-00 | JIC-4 (M) to 1/8 NPT-M, Union Brass | Brass Union -4 JIC-M to 1/8″ NPT-M | $6.00 | |
 | 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-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-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-0336-00 | 1/4 NPT-M Tee Brass | 1/4 NPT-M tee brass | $29.00 | |
 | 00HDW-0108-05 | SAE-4-M To 1/8 Compression, Brass, modified with #10 filter | Brass SAE-4-M to 1/8″ Compression Fitting with Filter. | $80.00 | |
 | 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-0214-ST | Ferrule Set, 3/16" Compression, Brass | Brass 3/16″ Ferrule and Ring Compression Set. | $9.00 | |
 | 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 | $15.00 | |
 | 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-1383-02 | SAE-4 (M) to JIC-4, 90º, Steel | SAE-4 to JIC-4 90′ Steel Fitting. | $25.00 | |
 | 00HDW-0350-00 | Cross 1/8 NPT-F, Brass | Brass Cross 1/8″ NPT-F | $17.00 | |
 | 00HDW-0212-FB | Ferrule Front, 1/8" Compression, Brass | Brass 1/8″ Ferrule Front Compression Fitting. | $5.50 | |
 | 00HDW-0340-00 | Union Tee 1/8 NPT-F, Brass | Brass Union Tee 1/8″ NPT-F | $48.00 | |
 | 00HDW-0206-00 | Tee Union 3/16 in. 3-way, Brass | Brass Tee 3/16″ Tube, 3-Way Compression Fitting. | $35.00 | |
 | 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-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-0348-00 | Cross 1/4 NPT-F, Brass | Brass Cross 1/4″ NPT-F | $65.00 | |
 | 00HDW-0395-00 | Valve, Line, Panel Mount | 1/4″ NPT-F Inlet – 1/4″ NPT-M Outlet Bulk Head Mounted 6000 PSI Working Pressure | $89.00 | |
 | 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-0374-00 | DIN 477-9 Socket | DIN 477-9 socket, 1/4 NPT-F | $66.00 | |
 | 00HDW-0356-00 | CGA-540 Socket, 1/4 NPT-F | CGA-540 Socket | $19.00 | |
 | 00HDW-0212-ST | Ferrule Set, 1/8" Compression, Brass | Brass 1/8″ Ferrule and Ring Compression Set. | $9.00 | |
 | 00HDW-0351-00 | 1/8 NPT-F Bulkhead .99, Brass | Brass 1/8″ NPT-F Bulkhead .99 Fitting | $39.00 | |
 | 00HDW-0366-00 | CGA-870 Yoke | CGA-870 Yoke 1/4″ NPT-M with sealing washer | $89.00 | |
 | 00HDW-0355-00 | 1/4 NPT-F Bulkhead .99, Brass | Brass 1/4″ NPT-F Bulkhead .99 Fitting | $12.50 | |
 | 00HDW-0218-00 | Ferrule & Nut Set, 3/16" Compression, Stainless Steel | Stainless Steel 3/16″ Ferrule & Nut Set Compression Fitting. | $27.95 | |
 | 00HDW-0113-05 | SAE-4 (M) to 1/8 inch NPT-F, Brass | SAE-4M to 1/8 NPT-F, Brass (with O-Ring) | $23.00 | |
 | 00HDW-0216-00 | Ferrule & Nut Set, 1/8" Compression, Stainless Steel | Stainless Steel 1/8″ Ferrule & Nut Set Compression Fitting. | $16.35 | |
 | 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-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-0334-00 | Street Tee 1/4 NPT, Brass | Brass 1/4″ NPT Street Tee | $79.00 | |
 | 00HDW-0378-00 | TEE coupler CGA-540 (brass) | TEE coupler CGA-540 (brass) | $59.00 | |
 | 00HDW-0360-00 | CGA-540 Socket, 1/4 NPT-M | 1/4 NPT-M To CGA-540-S brass | $19.00 | |
 | 00HDW-0370-01 | CGA-540 Nipple w/ O-ring | Nipple CGA-540, 1/4 NPT-M w/filter & o-ring, Brass | $19.50 | |
 | 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-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-0362-00 | CGA-540 Hand-Grip Nut | nut CGA-540 with hand-grip | $30.00 | |
 | 00HDW-0370-00 | CGA-540 Nipple | Nipple CGA-540, 1/4 NPT-M w/filter, Brass | $13.00 | |
 | 00HDW-0214-NB | Ferrule Nut, 3/16, Compression, Brass | Brass 3/16″ Ferrule Nut Compression Fitting. | $5.10 | |
 | 00HDW-0317-00 | JIC-4 (M) to 1/4 NPT-F, Brass | Brass -4 JIC-M to 1/4″ NPT-F | $25.00 | |
 | 00HDW-0366-02 | Washer, for CGA-870 Cyl. Yoke | Replacement sealing washer for all TA-870 products. | $1.00 | |
 | 00HDW-0214-BB | Ferrule Back, 3/16" Compression, Brass | Brass 3/16″ Ferrule Back Compression Fitting. | $4.50 | |
 | 00HDW-0113-00 | JIC-4 (M)-1/8NPT(F), Brass | Brass 4 JIC-M to 1/8″ NPT-F Compression Fitting. | $20.00 | |
 | 00HDW-0306-00 | Union 1/8 NPT-F, Brass | Brass Union 1/8″ NPT-F to 1/8″ NPT-F | $19.00 | |
 | 00HDW-1382-00 | JIC-4 (M) to 1/8 BSPP, Steel | 1/8″ BSPP to JIC-4 Flare Steel Fitting. | $25.00 | |
 | 00HDW-0338-00 | 1/4 Branch Tee, Brass | 1/4 Branch Tee, Brass | $16.00 | |
 | 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 |