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PartsTable / COMPONENT / 91D8 ITEM NO. 42
91D8 ITEM NO. 42 ✓ 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 91D8 ITEM NO. 42 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-882-6942, 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
91D8 ITEM NO. 42
NSN: 4730-00-882-6942
FSC: 4730
CAGE: 87103 — EDGE ELECTRONICS CORPORATION DBA MC INTYRE COIL (USA)
SPECIFICATIONS
Part Number91D8 ITEM NO. 42
NSN4730-00-882-6942
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 91D8 ITEM NO. 42 · 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
•
CONNECTION STYLE: FLARELESS (TUBE) FIRST END
•
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
•
THREAD SERIES DESIGNATOR: NPTF SECOND END
•
THREAD CLASS: 2A FIRST END A
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CONNECTION STYLEFLARELESS (TUBE) FIRST END
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
THREAD SERIES DESIGNATORNPTF SECOND END
END ITEM IDENTIFICATIONAIRCRAFT, OH-58
THREAD CLASS2A FIRST END A
CRITICALITY CODE JUSTIFICATIONFEAT
NOMINAL OVERALL LENGTH1.060 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
268PInterchangeable
interchangeable cross-reference
interchangeable
3707453Interchangeable
interchangeable cross-reference
interchangeable
ST57D65-3Interchangeable
interchangeable cross-reference
interchangeable
68P-4-4Interchangeable
interchangeable cross-reference
interchangeable
SM-A-949433-29Interchangeable
interchangeable cross-reference
interchangeable
8894293Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91D8 ITEM NO. 42?
91D8 ITEM NO. 42 is a 91D8 ITEM NO. 42.
What parts can replace 91D8 ITEM NO. 42?
There are 19 known substitutes for 91D8 ITEM NO. 42: 268P, 3707453, ST57D65-3 and 16 more. Substitute compatibility should be verified for your specific system.
Is 91D8 ITEM NO. 42 still available?
91D8 ITEM NO. 42 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