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Technical Data Sheet
PartsTable / COMPONENT / C910-4
C910-4 ✓ 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

The C910-4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-928-7402, 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
C910-4
NSN: 4730-00-928-7402
FSC: 4730
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
Part NumberC910-4
NSN4730-00-928-7402
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: C910-4 · 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
KEY FEATURES
•
SEAT ANGLE: 37.0 DEGREES SECOND END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END
•
CONNECTION STYLE: FLARED (TUBE) SECOND END
•
THREAD CLASS: 3A SECOND END A
•
THREAD SERIES DESIGNATOR: UNF SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE37.0 DEGREES SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
THREAD CLASS3A SECOND END A
THREAD SERIES DESIGNATORUNF SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END IN
LEG LENGTH1.000 INCHES NOMINAL FIRST END IN
SEAT ANGLE37.0 DEGREES FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
P999Interchangeable
interchangeable cross-reference
interchangeable
P41Interchangeable
interchangeable cross-reference
interchangeable
51954Interchangeable
interchangeable cross-reference
interchangeable
4981P1500-11Interchangeable
interchangeable cross-reference
interchangeable
4981A100091-3 ITEM 93Interchangeable
interchangeable cross-reference
interchangeable
12418429Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C910-4?
C910-4 is a C910-4.
What parts can replace C910-4?
There are 14 known substitutes for C910-4: P999, P41, 51954 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C910-4?
C910-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-928-7402. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026