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PartsTable / COMPONENT / 3H90024-103
3H90024-103 ✓ 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

COUPLING ASSEMBLY,QUICK DISCONNE. Key specifications include material: ALUMINUM ALLOY OVERALL, leg_length: 0.984 INCHES NOMINAL IN, seat_angle: 12.0 DEGREES, thread_class: 3A FIRST FLUID END CONNECTION A, overall_length: 6.630 INCHES NOMINAL IN, connection_type: THREADED INTERNAL BOSS SECOND FLUID END CONNECTION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-826-8877, 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
3H90024-103
NSN: 4730-00-826-8877
FSC: 4730
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
leg_length0.984 INCHES NOMINAL IN
seat_angle12.0 DEGREES
thread_class3A FIRST FLUID END CONNECTION A
overall_length6.630 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL BOSS SECOND FLUID END CONNECTION
connection_styleINVERTED FLARE FIRST FLUID END CONNECTION
special_featuresBULKHEAD THREADED ON 2ND END
style_designatorCOUPLING ASSEMBLY
features_providedSELF-SEALING
surface_treatmentANODIZE OVERALL
operating_pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN4730-00-826-8877
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3H90024-103 · 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 22
4202842Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-25427Interchangeable
interchangeable cross-reference
interchangeable
140-8DInterchangeable
interchangeable cross-reference
interchangeable
157-4DInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-25427Interchangeable
interchangeable cross-reference
interchangeable
3200-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3H90024-103?
3H90024-103 is a COUPLING ASSEMBLY,QUICK DISCONNE.
What parts can replace 3H90024-103?
There are 22 known substitutes for 3H90024-103: 4202842, MIL-C-25427, 140-8D and 19 more. Substitute compatibility should be verified for your specific system.
Is 3H90024-103 still available?
3H90024-103 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