87640 PIECE 43 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

87640 PIECE 43: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. 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 3040-01-182-7783, 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 PIECE 43

NSN: 3040-01-182-7783
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (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	0.938 INCHES NOMINAL FIRST 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	3040-01-182-7783

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 8

•

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

•

FIRST END STYLE: FLAT KEYWAY

•

SECOND END KEYWAY WIDTH: 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

STEP QUANTITY	8
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
FIRST END STYLE	FLAT KEYWAY
SECOND END KEYWAY WIDTH	0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	18.188 INCHES NOMINAL IN
FIRST END KEYWAY DEPTH	0.094 INCHES NOMINAL IN
SECOND END KEYWAY DEPTH	0.125 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 3

87640Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

601397-23-AReference document

Same NSN cross-reference

Reference document — Secondary reference

601397-23RReference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 87640 PIECE 43?

87640 PIECE 43 is a SHAFT,SHOULDERED.

What parts can replace 87640 PIECE 43?

There are 3 known substitutes for 87640 PIECE 43: 87640, 601397-23-A, 601397-23R. Substitute compatibility should be verified for your specific system.

What is the NSN for 87640 PIECE 43?

87640 PIECE 43 is cataloged in the U.S. Government catalog under NSN 3040-01-182-7783. This indicates validated use in U.S. government and defense supply chains.

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