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640-080 — RESISTOR,FIXED,WIRE WOUND

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

640-080: RESISTOR,FIXED,WIRE WOUND.

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, cone_width: 0.8640 INCHES NOMINAL IN, bore_diameter: 2.2500 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.1406 INCHES NOMINAL IN, end_item_identification: OIL COOLER ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0229, 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
MRO→ MRO_GENERAL→ 640-080
NSN: 3110-00-100-0229
NIINs: 001000229, 014213150, 015018038, 015158161
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
materialSTEEL OVERALL
cone_width0.8640 INCHES NOMINAL IN
bore_diameter2.2500 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.1406 INCHES NOMINAL IN
end_item_identificationOIL COOLER ASSEMBLY
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0229
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 640-080 · 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: 0.8640 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.2500 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
CONE WIDTH0.8640 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.2500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
387AReference document
Same NSN cross-reference
Reference document — Secondary reference
45H403Reference document
Same NSN cross-reference
Reference document — Secondary reference
659714R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
648334Reference document
Same NSN cross-reference
Reference document — Secondary reference
659458R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
1-659458R91R4I3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 640-080?
640-080 is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).
What parts can replace 640-080?
There are 8 known substitutes for 640-080: 387A, 45H403, 659714R91 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 640-080?
640-080 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0229. 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.