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-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 | |
 | 00HDW-0358-00 | Nut CGA-540 Brass | Nut, CGA-540 brass | $7.50 | |
 | 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 | $19.00 | |
 | 00HDW-0360-00 | CGA-540 Socket, 1/4 NPT-M | 1/4 NPT-M to CGA-540-S brass | $20.60 | |
 | 00HDW-0378-00 | TEE Coupler CGA-540 (Brass) | TEE coupler CGA-540 (brass). | $69.00 | |
 | 00HDW-0362-00 | CGA-540 Hand-Grip Nut | Nut CGA-540 with hand grip. | $32.00 | |
 | 09005-0001-00 | E-Clip Retaining Ring for CGA Nipples. | Retaining ring E 5/8 | $1.00 | |
 | 00HDW-0366-00 | CGA-870 Yoke | CGA-870 Yoke 1/4″ NPT-M with sealing washer. | $89.00 | |
 | 00HDW-0366-02 | Washer for CGA-870 Cyl. Yoke | Replacement sealing washer for all TA-870 products. | $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-0108-01 | SAE-4-M to 1/8" Compression, Stainless Steel | S.S. SAE-4-M to 1/8″ compression fitting. | $78.00 | |
 | 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-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-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-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-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-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-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-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-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-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-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-0182-00 | Tube Union 1/8 to 1/8 BH, Brass | Brass bulkhead union 1/8″ to 1/8″ compression fitting. | $21.00 | |
 | 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-0212-00 | Ferrule/Amp; Nut Set, 1/8" Compression, Brass | Brass 1/8″ ferrule & nut set compression fitting. | $19.25 | |
 | 00HDW-0212-BB | Ferrule Back, 1/8" Compression, Brass | Brass 1/8″ ferrule back compression fitting. | $5.50 | |
 | 00HDW-0212-FB | Ferrule Front, 1/8" Compression, Brass | Brass 1/8″ ferrule front compression fitting. | $5.50 | |
 | 00HDW-0214-00 | Ferrule/Amp; Nut Set, 3/16" Compression, Brass | Brass 3/16″ ferrule & nut set compression fitting. | $13.50 | |
 | 00HDW-0214-BB | Ferrule Back, 3/16" Compression, Brass | Brass 3/16″ ferrule back compression fitting. | $4.50 | |
 | 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-0216-00 | Ferrule/Amp; Nut Set, 1/8" Compression, Stainless Steel | Stainless-steel 1/8″ ferrule & nut set compression fitting. | $16.35 | |
 | 00HDW-0218-00 | Ferrule/Amp; Nut Set, 3/16" Compression, Stainless Steel | Stainless-steel 3/16″ ferrule & nut set compression fitting. | $27.95 | |
 | 00HDW-0214-NB | Ferrule Nut, 3/16, Compression, Brass | Brass 3/16″ ferrule nut compression fitting. | $5.10 | |
 | 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-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-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-0306-00 | Union 1/8 NPT-F, Brass | Brass union 1/8″ NPT-F to 1/8″ NPT-F | $19.00 | |
 | 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-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-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-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-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-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-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-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-0324-00 | Elbow 1/4 NPT-M to F, Brass | Brass elbow 1/4″ NPT-M to 1/4″ NPT-F | $24.00 | |
 | 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-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-0332-00 | Union Tee 1/4 NPT-F, Brass | Brass union tee 1/4″ NPT-F | $47.20 | |
 | 00HDW-0334-00 | Street Tee 1/4 NPT, Brass | Brass 1/4″ NPT street tee | $69.00 | |
 | 00HDW-0336-00 | 1/4 NPT-M Tee, Brass | 1/4 NPT-M tee, brass | $29.00 | |
 | 00HDW-0338-00 | 1/4 Branch Tee, Brass | 1/4 branch tee, brass | $16.00 | |
 | 00HDW-0340-00 | Union Tee 1/8 NPT-F, Brass | Brass union tee 1/8″ NPT-F | $48.00 | |
 | 00HDW-0342-00 | Tee Run 1/8 NPT, Brass | Brass street tee 1/8″ NPT | $48.75 | |
 | 00HDW-0346-00 | Tee Branch 1/8 NPT, Brass | Brass branch tee 1/8″ NPT | $39.00 | |
 | 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-0351-00 | 1/8 NPT-F Bulkhead .99, Brass | Brass 1/8″ NPT-F bulkhead .99 fitting | $39.00 | |
 | 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-0355-00 | 1/4 NPT-F Bulkhead .99, Brass | Brass 1/4″ NPT-F bulkhead .99 fitting | $12.50 | |
 | 00HDW-0113-00 | JIC-4 (M)-1/8NPT(F), Brass | Brass 4 JIC-M to 1/8″ NPT-F compression fitting. | $21.50 | |
 | 00HDW-0319-00 | JIC-4 (M) to 1/4 NPT-M, Brass | Brass 1/4″ NPT-M to -4 JIC-M | $9.50 | |
 | 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-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-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-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-0317-00 | JIC-4 (M) to 1/4 NPT-F, Brass | Brass -4 JIC-M to 1/4″ NPT-F | $25.00 | |
 | 00HDW-1321-00 | JIC-4 to JIC-4 Flare, SS | NEW ADD | $45.00 | |
 | 00HDW-1382-00 | JIC-4 (M) to 1/8 BSPP, Steel | 1/8″ BSPP to JIC-4 flare steel fitting. | $25.00 | |
 | 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-0397-01 | Valve, Line, Main Transfer | 1/4″ NPT-F inlet – 1/4″ NPT-M outlet. 6000 PSI working pressure. | $100.00 | |
 | 00HDW-0397-02 | Valve Line w/Bleed | Inline bleed valve.
| $219.00 | |
 | 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-0315-00 | SAE-4 (F) to 1/8 NPT-M, Brass | Brass adaptor 1/8″ NPT-M to -4 SAE-F | $69.00 | |
 | 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 | |
 | 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 |