451081 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

451081: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.375 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: FREE-RUNNING ALL METAL DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-045-1081, 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

451081

NSN: 5310-00-045-1081
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	HEXAGON
nut_height	0.375 INCHES NOMINAL IN
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
locking_feature	FREE-RUNNING ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OR ZINC OVERALL
width_across_flats	1.062 INCHES NOMINAL IN
nominal_thread_size	0.750 INCHES IN
bearing_surface_type	CHAMFERED
thread_quantity_per_inch	10
NSN	5310-00-045-1081

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 1.062 INCHES NOMINAL IN

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.750 INCHES IN

•

LOCKING FEATURE: FREE-RUNNING ALL METAL DESIGN

•

NUT HEIGHT: 0.375 INCHES NOMINAL IN

•

SURFACE TREATMENT: CADMIUM OR ZINC OVERALL

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	1.062 INCHES NOMINAL IN
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.750 INCHES IN
LOCKING FEATURE	FREE-RUNNING ALL METAL DESIGN
NUT HEIGHT	0.375 INCHES NOMINAL IN
SURFACE TREATMENT	CADMIUM OR ZINC OVERALL
NUT STYLE	HEXAGON
THREAD CLASS	2B

OTHER ITEMS IN FSC 5310 — Nuts and Washers

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

5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540

SUBSTITUTES & CROSS-REFERENCES 1

5310000451081Reference document

Same NSN cross-reference

Reference document — Informative 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 451081?

451081 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 451081?

There is 1 known substitute for 451081: 5310000451081. Substitute compatibility should be verified for your specific system.

What is the NSN for 451081?

451081 is cataloged in the U.S. Government catalog under NSN 5310-00-045-1081. This indicates validated use in U.S. government and defense supply chains.

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451081 — NUT,SELF-LOCKING,HEXAGON

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