12578625-025 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12578625-025: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL NUT, nut_style: HEXAGON, nut_height: 0.313 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: NYLON INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-684-3617, 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

12578625-025

NSN: 5310-01-684-3617
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL NUT
nut_style	HEXAGON
nut_height	0.313 INCHES NOMINAL IN
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
locking_feature	NYLON INSERT
thread_direction	RIGHT-HAND
surface_treatment	ZINC OR ZINC AND NICKEL NUT
width_across_flats	0.435 INCHES NOMINAL IN
nominal_thread_size	0.250 INCHES IN
bearing_surface_type	CHAMFERED
end_item_identification	2355-01-669-0331; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
NSN	5310-01-684-3617

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.435 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: PARAGRAPH 5 OF DRAWING 12578628,CAGE 19207 GOVERNMENT STD/SPEC SINGLE TREATMENT RESPONSE NUT

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASME B18.6.6,TBL 1,GR. N2 ASSN STD SINGLE MATERIAL RESPONSE NUT

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

LOCKING FEATURE: NYLON INSERT

•

NUT HEIGHT: 0.313 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.435 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	PARAGRAPH 5 OF DRAWING 12578628,CAGE 19207 GOVERNMENT STD/SPEC SINGLE TREATMENT RESPONSE NUT
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	ASME B18.6.6,TBL 1,GR. N2 ASSN STD SINGLE MATERIAL RESPONSE NUT
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
LOCKING FEATURE	NYLON INSERT
NUT HEIGHT	0.313 INCHES NOMINAL IN
SURFACE TREATMENT	ZINC OR ZINC AND NICKEL NUT
PART NAME ASSIGNED BY CONTROLLING AGENCY	NUT,SELF-LOCKING,HEX,NON-METAL INSERT,UNC

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

12578625Reference document

Same NSN cross-reference

Reference document — Drawing number 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 12578625-025?

12578625-025 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 12578625-025?

There is 1 known substitute for 12578625-025: 12578625. Substitute compatibility should be verified for your specific system.

What is the NSN for 12578625-025?

12578625-025 is cataloged in the U.S. Government catalog under NSN 5310-01-684-3617. This indicates validated use in U.S. government and defense supply chains.

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12578625-025 — NUT,SELF-LOCKING,HEXAGON

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