87640 — RESISTOR,FIXED,WIRE WOUND,INDUCT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

87640: RESISTOR,FIXED,WIRE WOUND,INDUCT.

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 18.188 INCHES NOMINAL IN, first_end_style: FLAT KEYWAY, second_end_style: FLAT KEYWAY, first_end_diameter: 0.8750 INCHES MINIMUM AND 0.8770 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-567-8825, 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

87640

NSN: 3020-00-567-8825
NIINs: 005678825, 011827783
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)

SPECIFICATIONS

material	STEEL
step_quantity	8
end_similarity	NOT IDENTICAL
overall_length	18.188 INCHES NOMINAL IN
first_end_style	FLAT KEYWAY
second_end_style	FLAT KEYWAY
first_end_diameter	0.8750 INCHES MINIMUM AND 0.8770 INCHES MAXIMUM IN
second_end_diameter	0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
largest_step_diameter	1.500 INCHES NOMINAL IN
external_keyway_length	2.000 INCHES NOMINAL SECOND END IN
first_end_keyway_depth	0.094 INCHES NOMINAL IN
first_end_keyway_width	0.1850 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN
NSN	3020-00-567-8825

COMPONENT DIAGRAM

KEY FEATURES

•

FURNISHED ITEMS AND QUANTITY: 1 EXTERNALLY LUBRICATED BEARING

•

BORE NOMINAL DIAMETER: 1.253 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 2.000 INCHES SECOND END IN

•

TEETH QUANTITY: 30

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 1.437 INCHES SECOND END IN

TECHNICAL CHARACTERISTICS

FURNISHED ITEMS AND QUANTITY	1 EXTERNALLY LUBRICATED BEARING
BORE NOMINAL DIAMETER	1.253 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	2.000 INCHES SECOND END IN
HUB NOMINAL DIAMETER	2.000 INCHES FIRST END IN
TEETH QUANTITY	30
BODY STYLE	PLAIN, SOLID
BORE STYLE	PLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	1.437 INCHES SECOND END IN
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	2.406 INCHES FIRST END IN
HARDNESS RATING	58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL

SUBSTITUTES & CROSS-REFERENCES 5

471978Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS1021Reference document

Same NSN cross-reference

Reference document — Secondary reference

A1021Reference document

Same NSN cross-reference

Reference document — Secondary reference

D87640Reference document

Same NSN cross-reference

Reference document — Secondary reference

1021Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 87640?

87640 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.

What parts can replace 87640?

There are 5 known substitutes for 87640: 471978, AS1021, A1021 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 87640?

87640 is cataloged in the U.S. Government catalog under NSN 3020-00-567-8825. This indicates validated use in U.S. government and defense supply chains.

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87640 — RESISTOR,FIXED,WIRE WOUND,INDUCT

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