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J40-1640 — CARTRIDGE,AIRCRAFT FIRE EXTINGUI

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

J40-1640: CARTRIDGE,AIRCRAFT FIRE EXTINGUI.

CARTRIDGE,AIRCRAFT FIRE EXTINGUI. Key specifications include overall_length: 1.2500 INCHES NOMINAL IN, special_features: ROLLER TYPE: SOLID, overall_outside_diameter: 1.7500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-120-4337, 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
J40-1640
NSN: 3110-00-120-4337
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
overall_length1.2500 INCHES NOMINAL IN
special_featuresROLLER TYPE: SOLID
overall_outside_diameter1.7500 INCHES NOMINAL IN
NSN3110-00-120-4337
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: J40-1640 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL OUTSIDE DIAMETER: 1.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL LENGTH1.2500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
SPECIAL FEATURESROLLER TYPE: SOLID
SUBSTITUTES & CROSS-REFERENCES 8
675385Reference document
Same NSN cross-reference
Reference document — Secondary reference
94720Reference document
Same NSN cross-reference
Reference document — Secondary reference
R2221BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
200420Reference document
Same NSN cross-reference
Reference document — Secondary reference
T15237Reference document
Same NSN cross-reference
Reference document — Secondary reference
2221BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is J40-1640?
J40-1640 is a CARTRIDGE,AIRCRAFT FIRE EXTINGUI.
What parts can replace J40-1640?
There are 8 known substitutes for J40-1640: 675385, 94720, R2221B and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J40-1640?
J40-1640 is cataloged in the U.S. Government catalog under NSN 3110-00-120-4337. 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.