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691949 — TUBE,SCAVENGE,GEARBOX DRIVE SHAF

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

691949: TUBE,SCAVENGE,GEARBOX DRIVE SHAF.

TUBE,SCAVENGE,GEARBOX DRIVE SHAF. Key specifications include fsc_application_data: ACFT JET ENGINE,TF30P100. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-391-3589, 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
691949
NSN: 4730-00-391-3589
NIINs: 003913589, 004774187
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
fsc_application_dataACFT JET ENGINE,TF30P100
NSN4730-00-391-3589
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 691949 · 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: INVERTED FLARE (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 0.953 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
REDUCED PASSAGE NOMINAL INSIDE DIAMETER: 0.216 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEINVERTED FLARE (TUBE) FIRST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
NOMINAL OVERALL LENGTH0.953 INCHES IN
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
REDUCED PASSAGE NOMINAL INSIDE DIAMETER0.216 INCHES FIRST END IN
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
SEAT ANGLE45.0 DEGREES FIRST END
SUBSTITUTES & CROSS-REFERENCES 1
373710Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 691949?
691949 is a TUBE,SCAVENGE,GEARBOX DRIVE SHAF.
What parts can replace 691949?
There is 1 known substitute for 691949: 373710. Substitute compatibility should be verified for your specific system.
What is the NSN for 691949?
691949 is cataloged in the U.S. Government catalog under NSN 4730-00-391-3589. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.