12759-00670 — NUT,PLAIN,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12759-00670: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-557-0871, 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

12759-00670

NSN: 5310-01-557-0871
FSC: 5310 — Nuts and Washers
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	HEXAGON
nut_height	0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
thread_direction	RIGHT-HAND
surface_treatment	ZINC OVERALL
width_across_flats	0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
nominal_thread_size	0.3125 INCHES IN
bearing_surface_type	FLAT
end_item_identification	MRAP - UNIQUE NSN - USED ON 5 MRAP VARIANTS; MRAP - COUGAR CAT1 A2; MRAP - COUGAR AMBULANCE
thread_quantity_per_inch	18
NSN	5310-01-557-0871

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTMF1941 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAEJ995 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.3125 INCHES IN

•

NUT HEIGHT: 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN

•

SURFACE TREATMENT: ZINC OVERALL

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTMF1941 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	SAEJ995 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.3125 INCHES IN
NUT HEIGHT	0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
SURFACE TREATMENT	ZINC OVERALL
NUT STYLE	HEXAGON
THREAD CLASS	2B

SUBSTITUTES & CROSS-REFERENCES 2

3006626Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

36404Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 12759-00670?

12759-00670 is a NUT,PLAIN,HEXAGON.

What parts can replace 12759-00670?

There are 2 known substitutes for 12759-00670: 3006626, 36404. Substitute compatibility should be verified for your specific system.

What is the NSN for 12759-00670?

12759-00670 is cataloged in the U.S. Government catalog under NSN 5310-01-557-0871. This indicates validated use in U.S. government and defense supply chains.

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12759-00670 — NUT,PLAIN,HEXAGON

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