1021960 — COUPLING,SHAFT,FLEXIBLE

✓ Government record, cited

3M · COMPONENT

PRODUCT OVERVIEW

1021960: COUPLING,SHAFT,FLEXIBLE.

The COUPLING,SHAFT,FLEXIBLE is a 3M industrial component. Key specifications include bore_shape: STRAIGHT BOTH ENDS, bore_length: 1.1250 INCHES NOMINAL BOTH ENDS IN, design_type: DISK, keyway_depth: 0.0940 INCHES NOMINAL SECOND END IN, keyway_width: 0.188 INCHES NOMINAL SECOND END IN, bore_diameter: 0.8750 INCHES NOMINAL FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-01-397-6638, 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

1021960

NSN: 3010-01-397-6638
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 1M813 — ELECTROMECHANICAL SYSTEMS, INC. (USA)

SPECIFICATIONS

bore_shape	STRAIGHT BOTH ENDS
bore_length	1.1250 INCHES NOMINAL BOTH ENDS IN
design_type	DISK
keyway_depth	0.0940 INCHES NOMINAL SECOND END IN
keyway_width	0.188 INCHES NOMINAL SECOND END IN
bore_diameter	0.8750 INCHES NOMINAL FIRST END IN
overall_length	2.625 INCHES NOMINAL IN
securing_method	THREADED HOLE(S) BOTH ENDS
outside_diameter	2.688 INCHES NOMINAL IN
features_provided	KEYWAY AND EXPOSED COUPLING BOLT TYPE
keying_facility_type	KEYWAY SECOND END
thread_size_designator	0.190-24 BOTH ENDS
NSN	3010-01-397-6638

COMPONENT DIAGRAM

KEY FEATURES

•

KEYWAY DEPTH: 0.0940 INCHES NOMINAL SECOND END IN

•

SECURING METHOD: THREADED HOLE(S) BOTH ENDS

•

THREADED HOLE LOCATION: BOTH ENDS: 0.780 IN. FROM HUB END 90 DEG APART IN

•

BORE LENGTH: 1.1250 INCHES NOMINAL BOTH ENDS IN

•

DESIGN TYPE: DISK

•

KEYING FACILITY TYPE: KEYWAY SECOND END

•

OUTSIDE DIAMETER: 2.688 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

KEYWAY DEPTH	0.0940 INCHES NOMINAL SECOND END IN
SECURING METHOD	THREADED HOLE(S) BOTH ENDS
THREADED HOLE LOCATION	BOTH ENDS: 0.780 IN. FROM HUB END 90 DEG APART IN
BORE LENGTH	1.1250 INCHES NOMINAL BOTH ENDS IN
DESIGN TYPE	DISK
KEYING FACILITY TYPE	KEYWAY SECOND END
OVERALL LENGTH	2.625 INCHES NOMINAL IN
OUTSIDE DIAMETER	2.688 INCHES NOMINAL IN
FEATURES PROVIDED	KEYWAY AND EXPOSED COUPLING BOLT TYPE
BORE SHAPE	STRAIGHT BOTH ENDS

OTHER ITEMS IN FSC 3010 — Torque Converters and Speed Changers

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

3010-00-010-0577 3010-00-267-4959 3010-00-356-3346 3010-00-395-0188

SUBSTITUTES & CROSS-REFERENCES 2

24636-2088-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

24636-2088Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 1021960?

1021960 is a COUPLING,SHAFT,FLEXIBLE manufactured by 3M.

What parts can replace 1021960?

There are 2 known substitutes for 1021960: 24636-2088-1, 24636-2088. Substitute compatibility should be verified for your specific system.

What is the NSN for 1021960?

1021960 is cataloged in the U.S. Government catalog under NSN 3010-01-397-6638. This indicates validated use in U.S. government and defense supply chains.

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1021960 — COUPLING,SHAFT,FLEXIBLE

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