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Technical Data Sheet
PartsTable / COMPONENT / 3038-B
3038-B ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include guide: NOT INCLUDED, length: 0.312 INCHES NOMINAL IN, radius: 0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, diameter: 0.110 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, top_style: CYLINDRICAL HEAD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-293-2939, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
3038-B
NSN: 4730-01-293-2939
FSC: 4730
CAGE: 95879 — STEWART-WARNER ALEMITE CORP (USA)
SPECIFICATIONS
guideNOT INCLUDED
length0.312 INCHES NOMINAL IN
radius0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
diameter0.110 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
top_styleCYLINDRICAL HEAD
base_styleTWO SCREW TERMINALS
body_styleCYLINDRICAL
bulb_stylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
flute_typeINTEGRAL
shank_typeSTRAIGHT
head_length0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
NSN4730-01-293-2939
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3038-B · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
6552Interchangeable
interchangeable cross-reference
interchangeable
8123177Interchangeable
interchangeable cross-reference
interchangeable
J3197324Interchangeable
interchangeable cross-reference
interchangeable
4770SInterchangeable
interchangeable cross-reference
interchangeable
87414Interchangeable
interchangeable cross-reference
interchangeable
205010Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3038-B?
3038-B is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 3038-B?
There are 17 known substitutes for 3038-B: 6552, 8123177, J3197324 and 14 more. Substitute compatibility should be verified for your specific system.
Is 3038-B still available?
3038-B is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026