066923078R — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

066923078R: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, step_quantity: 11, end_similarity: NOT IDENTICAL, overall_length: 12.469 INCHES NOMINAL IN, surface_finish: 15.0 MICROINCHES, first_end_style: WOODRUFF KEYWAY. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-212-8736, 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

066923078R

NSN: 3040-01-212-8736
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 55V59 — ABB MOTORS AND MECHANICAL INC DIV GAINSVILLE MOTOR PLANT (USA)

SPECIFICATIONS

material	STEEL
step_quantity	11
end_similarity	NOT IDENTICAL
overall_length	12.469 INCHES NOMINAL IN
surface_finish	15.0 MICROINCHES
first_end_style	WOODRUFF KEYWAY
second_end_style	EXTERNALLY THREADED AND FLAT KEYWAY
first_end_diameter	1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
second_end_diameter	0.9690 INCHES NOMINAL IN
largest_step_diameter	2.000 INCHES NOMINAL IN
external_keyway_length	1.000 INCHES NOMINAL FIRST END IN
first_end_keyway_width	0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
NSN	3040-01-212-8736

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 15.0 MICROINCHES

•

SECOND END EXTERNAL THREAD LENGTH: 0.500 INCHES NOMINAL IN

•

STEP QUANTITY: 11

•

FIRST END DIAMETER: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN

•

FIRST END DISTANCE FROM KEYWAY CENTER TO END: 0.656 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.9690 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 2.000 INCHES NOMINAL IN

•

FIRST END STYLE: WOODRUFF KEYWAY

TECHNICAL CHARACTERISTICS

SURFACE FINISH	15.0 MICROINCHES
SECOND END EXTERNAL THREAD LENGTH	0.500 INCHES NOMINAL IN
STEP QUANTITY	11
FIRST END DIAMETER	1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
FIRST END DISTANCE FROM KEYWAY CENTER TO END	0.656 INCHES NOMINAL IN
SECOND END DIAMETER	0.9690 INCHES NOMINAL IN
LARGEST STEP DIAMETER	2.000 INCHES NOMINAL IN
FIRST END STYLE	WOODRUFF KEYWAY
SECOND END KEYWAY WIDTH	0.1880 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE

OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224

SUBSTITUTES & CROSS-REFERENCES 3

87251 PIECE 40Reference document

Same NSN cross-reference

Reference document — Secondary reference

66923-78-AReference document

Same NSN cross-reference

Reference document — Secondary reference

66923-78-RReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 066923078R?

066923078R is a SHAFT,SHOULDERED.

What parts can replace 066923078R?

There are 3 known substitutes for 066923078R: 87251 PIECE 40, 66923-78-A, 66923-78-R. Substitute compatibility should be verified for your specific system.

What is the NSN for 066923078R?

066923078R is cataloged in the U.S. Government catalog under NSN 3040-01-212-8736. This indicates validated use in U.S. government and defense supply chains.

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