2B1-2139 — COLLAR,SHAFT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

2B1-2139: COLLAR,SHAFT.

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: USED ON LAKE SHORE INC. 2D3-05842-1,-2 DAVIT WINCH, style_designator: PLAIN ROUND, end_item_identification: IWO JIMA CLASS LPH, hole_diameter_and_location: 0.2500 INCHES NOMINAL ALL HOLES IN, securing_hole_type_and_location: UNTHREADED ALL HOLES.

This part is cataloged in the U.S. Government catalog under NSN 3040-01-435-8814, 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

2B1-2139

NSN: 3040-01-435-8814
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)

SPECIFICATIONS

material	STEEL
special_features	USED ON LAKE SHORE INC. 2D3-05842-1,-2 DAVIT WINCH
style_designator	PLAIN ROUND
securing_hole_quantity	2
end_item_identification	IWO JIMA CLASS LPH
hole_diameter_and_location	0.2500 INCHES NOMINAL ALL HOLES IN
securing_hole_type_and_location	UNTHREADED ALL HOLES
angle_between_centerlines_of_securing_holes_in_deg	180.0
NSN	3040-01-435-8814

COMPONENT DIAGRAM

KEY FEATURES

•

SECURING HOLE TYPE AND LOCATION: UNTHREADED ALL HOLES

•

STYLE DESIGNATOR: PLAIN ROUND

•

HOLE DIAMETER AND LOCATION: 0.2500 INCHES NOMINAL ALL HOLES IN

•

ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG: 180.0

•

SECURING HOLE QUANTITY: 2

•

MATERIAL: STEEL

TECHNICAL CHARACTERISTICS

SECURING HOLE TYPE AND LOCATION	UNTHREADED ALL HOLES
STYLE DESIGNATOR	PLAIN ROUND
HOLE DIAMETER AND LOCATION	0.2500 INCHES NOMINAL ALL HOLES IN
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG	180.0
SECURING HOLE QUANTITY	2
SPECIAL FEATURES	USED ON LAKE SHORE INC. 2D3-05842-1,-2 DAVIT WINCH
END ITEM IDENTIFICATION	IWO JIMA CLASS LPH
MATERIAL	STEEL

SUBSTITUTES & CROSS-REFERENCES 2

2D3-05842 ITEM NO.192Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2D3-05842Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 2B1-2139?

2B1-2139 is a COLLAR,SHAFT.

What parts can replace 2B1-2139?

There are 2 known substitutes for 2B1-2139: 2D3-05842 ITEM NO.192, 2D3-05842. Substitute compatibility should be verified for your specific system.

What is the NSN for 2B1-2139?

2B1-2139 is cataloged in the U.S. Government catalog under NSN 3040-01-435-8814. This indicates validated use in U.S. government and defense supply chains.

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