7538746 — COLLAR,SHAFT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

7538746: COLLAR,SHAFT.

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include radius: 0.062 INCHES NOMINAL IN, material: STEEL COMP 1018, thickness: 0.688 INCHES NOMINAL IN, bore_diameter: 1.2500 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN, surface_finish: 250 MICROINCHES OUTSIDE PERIPHERY, outside_diameter: 1.975 INCHES MINIMUM AND 1.982 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-753-8746, 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

7538746

NSN: 3040-00-753-8746
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

radius	0.062 INCHES NOMINAL IN
material	STEEL COMP 1018
thickness	0.688 INCHES NOMINAL IN
bore_diameter	1.2500 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
surface_finish	250 MICROINCHES OUTSIDE PERIPHERY
outside_diameter	1.975 INCHES MINIMUM AND 1.982 INCHES MAXIMUM IN
style_designator	ROUND W/ SINGLE EDGE
nominal_thread_size	0.250 INCHES SINGLE HOLE IN
securing_hole_quantity	1
securing_hole_type_and_location	THREADED SINGLE HOLE
material_document_and_classification	QQ-S-634, COMP 1018-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
screw_thread_series_designator_and_location	SINGLE HOLE UNIFIED NATIONAL COARSE (UNC)
NSN	3040-00-753-8746

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 250 MICROINCHES BOTH BEARING FLATS

•

SECURING HOLE TYPE AND LOCATION: THREADED SINGLE HOLE

•

RADIUS: 0.062 INCHES NOMINAL IN

•

STYLE DESIGNATOR: ROUND W/ SINGLE EDGE

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634, COMP 1018-CANCELED FED SPEC SINGLE MATERIAL RESPONSE

•

SCREW THREAD SERIES DESIGNATOR AND LOCATION: SINGLE HOLE UNIFIED NATIONAL COARSE (UNC)

TECHNICAL CHARACTERISTICS

SURFACE FINISH	250 MICROINCHES BOTH BEARING FLATS
SURFACE FINISH	250 MICROINCHES INSIDE PERIPHERY
SURFACE FINISH	250 MICROINCHES OUTSIDE PERIPHERY
SECURING HOLE TYPE AND LOCATION	THREADED SINGLE HOLE
RADIUS	0.062 INCHES NOMINAL IN
STYLE DESIGNATOR	ROUND W/ SINGLE EDGE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-634, COMP 1018-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
SCREW THREAD SERIES DESIGNATOR AND LOCATION	SINGLE HOLE UNIFIED NATIONAL COARSE (UNC)
OUTSIDE DIAMETER	1.975 INCHES MINIMUM AND 1.982 INCHES MAXIMUM IN
NOMINAL THREAD SIZE	0.250 INCHES SINGLE HOLE IN

SUBSTITUTES & CROSS-REFERENCES 5

1727P2Reference document

Same NSN cross-reference

Reference document — Secondary reference

2297680Reference document

Same NSN cross-reference

Reference document — Secondary reference

98-1263Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

669700Reference document

Same NSN cross-reference

Reference document — Secondary reference

3040007538746Reference document

Same NSN cross-reference

Reference document — Secondary 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 7538746?

7538746 is a COLLAR,SHAFT.

What parts can replace 7538746?

There are 5 known substitutes for 7538746: 1727P2, 2297680, 98-1263 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 7538746?

7538746 is cataloged in the U.S. Government catalog under NSN 3040-00-753-8746. This indicates validated use in U.S. government and defense supply chains.

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