2256-31 — WEIGHT,COUNTERBALANCE

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

2256-31: WEIGHT,COUNTERBALANCE.

The WEIGHT,COUNTERBALANCE is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_diameter: 2.0625 INCHES MINIMUM AND 2.0635 INCHES MAXIMUM IN, alignment_type: RIGID, overall_height: 0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN, surface_finish: GROUND, special_features: LUBRICATION NOTCH CUT IN ID OF SMALL WASHER,WASHERS OVERLAP,BANDED OD. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-275-0241, 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

2256-31

NSN: 3110-00-275-0241
NIINs: 002750241, 003057428
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 00658 — ABC ACQUISITION COMPANY DBA AETNA BEARING COMPANY (USA)

SPECIFICATIONS

material	STEEL BALL
bore_diameter	2.0625 INCHES MINIMUM AND 2.0635 INCHES MAXIMUM IN
alignment_type	RIGID
overall_height	0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
surface_finish	GROUND
special_features	LUBRICATION NOTCH CUT IN ID OF SMALL WASHER,WASHERS OVERLAP,BANDED OD
style_designator	CLUTCH RELEASE, THRUST, LUBRICATED AND SEALED
overall_outside_diameter	3.5470 INCHES MINIMUM AND 3.5770 INCHES MAXIMUM IN
retainer_fabrication_method	MOLDED
thrust_directional_capability_designation	SINGLE
NSN	3110-00-275-0241

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: MOLDED

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: CLUTCH RELEASE, THRUST, LUBRICATED AND SEALED

•

THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE

•

OVERALL OUTSIDE DIAMETER: 3.5470 INCHES MINIMUM AND 3.5770 INCHES MAXIMUM IN

•

ALIGNMENT TYPE: RIGID

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	MOLDED
OVERALL HEIGHT	0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
SURFACE FINISH	GROUND
STYLE DESIGNATOR	CLUTCH RELEASE, THRUST, LUBRICATED AND SEALED
THRUST DIRECTIONAL CAPABILITY DESIGNATION	SINGLE
OVERALL OUTSIDE DIAMETER	3.5470 INCHES MINIMUM AND 3.5770 INCHES MAXIMUM IN
ALIGNMENT TYPE	RIGID
SPECIAL FEATURES	LUBRICATION NOTCH CUT IN ID OF SMALL WASHER,WASHERS OVERLAP,BANDED OD
BORE DIAMETER	2.0625 INCHES MINIMUM AND 2.0635 INCHES MAXIMUM IN
MATERIAL	COPPER ALLOY RETAINER

SUBSTITUTES & CROSS-REFERENCES 4

A893-31Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

A893-3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

A2256-31Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5040E5022Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 2256-31?

2256-31 is a WEIGHT,COUNTERBALANCE.

What parts can replace 2256-31?

There are 4 known substitutes for 2256-31: A893-31, A893-3, A2256-31 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 2256-31?

2256-31 is cataloged in the U.S. Government catalog under NSN 3110-00-275-0241. This indicates validated use in U.S. government and defense supply chains.

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2256-31 — WEIGHT,COUNTERBALANCE

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