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131-277 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

131-277: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL OVERALL, cone_width: 1.1965 INCHES NOMINAL IN, bore_diameter: 1.3750 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.1406 INCHES NOMINAL IN, end_item_identification: 2350-01-061-2445 M1A1 TANK. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0765, 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
131-277
NSN: 3110-00-100-0765
NIINs: 001000765, 009103854, 012926557
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 27669 — NAVITAR ,INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.1965 INCHES NOMINAL IN
bore_diameter1.3750 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.1406 INCHES NOMINAL IN
end_item_identification2350-01-061-2445 M1A1 TANK
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0765
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 131-277 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
CONE WIDTH: 1.1965 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 1.3750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
CONE WIDTH1.1965 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.3750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
4254275Reference document
Same NSN cross-reference
Reference document — Secondary reference
799166Reference document
Same NSN cross-reference
Reference document — Secondary reference
3379Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12318DReference document
Same NSN cross-reference
Reference document — Secondary reference
09B1216Reference document
Same NSN cross-reference
Reference document — Secondary reference
B1665-19-1Reference 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 131-277?
131-277 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 131-277?
There are 9 known substitutes for 131-277: 4254275, 799166, 3379 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 131-277?
131-277 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0765. 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.