Steel NPTF Female × JIC 37° Male Bulkhead Connector
Steel NPTF Female × JIC 37° Male Bulkhead Connector, forged carbon steel, trivalent zinc plated. 12 part numbers, 1/8" to 1-1/2"; the size table gives the size on each end, dimensions in millimetres and the Parker equivalent for every Indus part number.
Key features
- Body Configuration: bulkhead connector
- Port A Thread: NPTF (Dryseal), 1/8" to 1-1/2" (1/8-27 to 1-1/2-11.5)
- Port A Sealing: Dryseal taper pipe thread, cut so the crests and roots close up as the joint is tightened, so it seals on the thread
- Nominal Size Range: 1/8" to 1-1/2"
- Max Working Pressure: Up to 5,000 psi, falling with size (SAE J514, manufacturer); see the table
- Body Configuration
- bulkhead connector
- Port A Thread
- NPTF (Dryseal), 1/8" to 1-1/2" (1/8-27 to 1-1/2-11.5)
- Port A Sealing
- Dryseal taper pipe thread, cut so the crests and roots close up as the joint is tightened, so it seals on the thread
Product description
The Steel NPTF Female × JIC 37° Male Bulkhead Connector is a bulkhead connector, in forged carbon steel, trivalent zinc plated. Its ends are NPTF (Dryseal) female and 37° JIC bulkhead male. The 37° JIC flare is the most widely used inch-size hydraulic connection on mobile and industrial machinery.
Construction
- Body: bulkhead connector
- End 1: NPTF (Dryseal) female
- End 2: 37° JIC bulkhead male
- Material: forged carbon steel, trivalent zinc plated
Ends and sealing
- NPTF (Dryseal): Dryseal taper pipe thread, cut so the crests and roots close up as the joint is tightened, so it seals on the thread; ASME B1.20.3.
- 37° JIC: 37° flare, a metal-to-metal seat on a 74° included cone; SAE J514 / ISO 8434-2.
Sizes
12 part numbers, 1/8" to 1-1/2". The Sizes & Part Numbers tab lists the size on each end, dimensions in millimetres and the Parker equivalent for every one.
- End 1: NPTF (Dryseal), 1/8" to 1-1/2" (1/8-27 to 1-1/2-11.5)
- End 2: 37° JIC, 1/8" to 1-1/2" (5/16-24 to 1-7/8-12)
Pressure rating
Manufacturer's published ratings (SAE J514), from 1,000 to 5,000 psi depending on size and end:
| Nom. SAE Dash Size | Nom. Tube O.D. Inches | 37 Degree Flare Straight Thread | Nom. Pipe Size | SAE St. Threads Union & Bulkhead (PSI) | Fittings With Pipe Threads (PSI) |
|---|---|---|---|---|---|
| 2 | 1/8 | 5/16-24 | 1/8 | 5000 | 5000 |
| 3 | 3/16 | 3/8-24 | 1/8 | 5000 | 5000 |
| 4 | 1/4 | 7/16-20 | 1/8 | 5000 | 5000 |
| 5 | 5/16 | 1/2-20 | 1/8 | 5000 | 5000 |
| 6 | 3/8 | 9/16-18 | 1/4 | 5000 | 5000 |
| 8 | 1/2 | 3/4-16 | 3/8 | 4500 | 4000 |
| 10 | 5/8 | 7/8-14 | 1/2 | 3500 | 3000 |
| 12 | 3/4 | 1 1/16-12 | 3/4 | 3500 | 3000 |
| 14 | 7/8 | 1 3/16-12 | 3/4 | 3000 | 2500 |
| 16 | 1 | 1 5/16-12 | 1 | 3000 | 2000 |
| 20 | 1 1/4 | 1 5/8-12 | 1 1/4 | 2500 | 1150 |
| 24 | 1 1/2 | 1 7/8-12 | 1 1/2 | 2000 | 1000 |
| 32 | 2 | 2 1/2-12 | 2 | 1500 | 1000 |
NOTE: Since many factors influence the pressure at which a system will or will not perform satisfactory, values shown in this table should not be construed as guaranteed minimum.
Parker equivalents
For 9 of the 12 sizes the size table gives the Parker part number the manufacturer cross-references, so a part number taken off existing equipment can be matched to the Indus part number.
Stainless-steel version
The same configuration in 316 stainless steel: Stainless Steel NPT Female × JIC 37° Male Bulkhead Connector.
How to order
Quote the Indus part number from the size table. If you only have the fitting, send the thread or tube size on each end, and Indus engineering will confirm the part number. Price and lead time are confirmed with the quotation.
Identification
| Parameter | Value |
|---|---|
| Body Configuration | bulkhead connector |
Port A
| Parameter | Value |
|---|---|
| Port A Thread | NPTF (Dryseal), 1/8" to 1-1/2" (1/8-27 to 1-1/2-11.5) |
| Port A Sealing | Dryseal taper pipe thread, cut so the crests and roots close up as the joint is tightened, so it seals on the thread |
| Port A Gender | female |
Port B
| Parameter | Value |
|---|---|
| Port B Thread | 37° JIC, 1/8" to 1-1/2" (5/16-24 to 1-7/8-12) |
| Port B Sealing | 37° flare, a metal-to-metal seat on a 74° included cone |
| Port B Gender | bulkhead male |
Dimensions
| Parameter | Value |
|---|---|
| Nominal Size Range | 1/8" to 1-1/2" |
Performance
| Parameter | Value |
|---|---|
| Max Working Pressure | Up to 5,000 psi, falling with size (SAE J514, manufacturer); see the table |
Construction
| Parameter | Value |
|---|---|
| Material | forged carbon steel, trivalent zinc plated |
Compliance
| Parameter | Value |
|---|---|
| Applicable Standards | ASME B1.20.3, SAE J514, ISO 8434-2 |
Shipping & lead time
Sizes & part numbers
12 sizesEquivalent to Parker WGTX, Aeroquip 2239 and SSP J#BFC (SAE 70603). Every size below prints its equivalent part number beside ours — quote either.
| Indus part no. | Parker equivalent | Aeroquip equivalent | SSP equivalent | SAE no. | End 1 | End 2 | Y (mm) | D1 (mm) | D2 (mm) | L (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| IH-ST-2705-02-04 | — | — | — | — | 1/8" NPTF (1/8-27) | 1/4" JIC 37° (7/16-20) | 19 | 1.6 | 11.1 | 51.1 |
| IH-ST-2705-04-02 | — | — | — | — | 1/4" NPTF (1/4-18) | 1/8" JIC 37° (5/16-24) | 17.5 | 4.4 | 8.4 | 46.7 |
| IH-ST-2705-04-04 | 4-4 WGTX | 2239-4-4 | J4-4BFC | 70603 | 1/4" NPTF (1/4-18) | 1/4" JIC 37° (7/16-20) | 19 | 4.4 | 11.1 | 53.1 |
| IH-ST-2705-04-06 | — | — | — | — | 1/4" NPTF (1/4-18) | 3/8" JIC 37° (9/16-18) | 22.2 | 4.4 | 14.3 | 54.4 |
| IH-ST-2705-06-06 | 6-6 WGTX | 2239-6-6 | J6-6BFC | 70603 | 3/8" NPTF (3/8-18) | 3/8" JIC 37° (9/16-18) | 22.2 | 7.5 | 14.3 | 56.6 |
| IH-ST-2705-06-08 | 6-8 WGTX | 2239-6-8 | J6-8BFC | 70603 | 3/8" NPTF (3/8-18) | 1/2" JIC 37° (3/4-16) | — | — | — | — |
| IH-ST-2705-08-08 | 8-8 WGTX | 2239-8-8 | J8-8BFC | 70603 | 1/2" NPTF (1/2-14) | 1/2" JIC 37° (3/4-16) | 28.6 | 9.9 | 17.9 | 66.5 |
| IH-ST-2705-08-10 | 10 WGTX | 2239-8-10 | J10BFC | 70603 | 1/2" NPTF (1/2-14) | 5/8" JIC 37° (7/8-14) | — | — | — | — |
| IH-ST-2705-12-12 | 12 WGTX | 2239-12-12 | J12BFC | 70603 | 3/4" NPTF (3/4-14) | 3/4" JIC 37° (1-1/16-12) | 34.9 | 15.5 | 23 | 75.9 |
| IH-ST-2705-16-16 | 16 WGTX | 2239-16-16 | J16BFC | 70603 | 1" NPTF (1-11.5) | 1" JIC 37° (1-5/16-12) | 41.3 | 21.4 | 29 | 82.3 |
| IH-ST-2705-20-20 | 20 WGTX | 2239-20-20 | J20BFC | 70603 | 1-1/4" NPTF (1-1/4-11.5) | 1-1/4" JIC 37° (1-5/8-12) | 50.8 | 27.4 | 37.7 | 84.8 |
| IH-ST-2705-24-24 | 24 WGTX | 2239-24-24 | J24BFC | 70603 | 1-1/2" NPTF (1-1/2-11.5) | 1-1/2" JIC 37° (1-7/8-12) | 60.3 | 33.4 | 44.3 | 86.4 |
End 1 — Thread or flange nominal size at this end, exactly as the manufacturer prints it. End 2 — Thread or flange nominal size at this end, exactly as the manufacturer prints it. Y — Hex across flats — printed "Y HEX" on the manufacturer drawing. D1 — Dimension D1 on the manufacturer dimension drawing. D2 — Dimension D2 on the manufacturer dimension drawing. L — Dimension L on the manufacturer dimension drawing. Ask us for the dimension drawing if you need it stamped.
Every size is available in 316 stainless steel on request — add “-SS” to the part number when you enquire.
Indus Hydraulics is not affiliated with Aeroquip, Parker or SSP. Aeroquip, Parker or SSP part numbers are shown for cross-reference only, so you can order from an existing bill of materials.
What is it made from?▾
Which sizes are available?▾
What pressure is it rated to?▾
How does it seal?▾
Can I match a Parker part number?▾
Is there a stainless-steel version?▾
What is the lead time?▾
Shipped worldwide from our Dubai warehouse. Transit, routes and documentation for 126 destinations
The same part, in the designations used across European and Gulf trade catalogues.
- de
- Schottverschraubung JIC Innengewinde auf JIC Außengewinde 37° Bördel
- fr
- traversée de cloison JIC femelle sur JIC mâle cône 37°
- es
- pasamuros JIC hembra a JIC macho cono 37°
- it
- passaparatia JIC femmina a JIC maschio cono 37°
From the blog
Written about this range
Thread & fitting identification
Thread size and pitch, by family: the reference table for the bench
JIC 9/16"-18 and ORFS 9/16"-18 are the same thread. They will assemble, and one of them will leak. Every designation and pitch we stock, grouped by family, with the collisions marked.
6 min read
Thread & fitting identification
Fittings on American machines: the inch families, and what travels with them
JIC, ORFS, NPT, O-ring boss and split flanges arrive as a set. What each is for, which two are routinely confused, and the mistake that ruins a port rather than a fitting.
3 min read
Failure analysis
Why a new hose assembly weeps, and what to check before blaming the crimp
A hose fitted this morning is damp by the afternoon. The crimp is the last thing to suspect, not the first — and there are five checks ahead of it that take a minute each.
6 min read
Engineers viewing this also looked at
Steel NPTF Male × JIC 37° Male Bulkhead Connector
Steel JIC 37° Short Flare Nut
Steel JIC 37° Long Flare Nut
Steel JIC 37° Tube Nut
Steel JIC 37° Tube Sleeve
Steel Convert-A-Flare Tube Nut, JIC 37° to Flareless
Steel Convert-A-Flare Tube Sleeve, JIC 37° to Flareless
