12387349-31 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12387349-31: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL EXCEPT INSERT, nut_style: HEXAGON, nut_height: 0.212 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-378-7587, 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

12387349-31

NSN: 5310-01-378-7587
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL OVERALL EXCEPT INSERT
nut_style	HEXAGON
nut_height	0.212 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
temp_rating	250.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL COARSE (UNC)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
surface_treatment	ZINC AND CHROMATE OVERALL
width_across_flats	0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
nominal_thread_size	0.250 INCHES IN
bearing_surface_type	CHAMFERED OR WASHER FACED
NSN	5310-01-378-7587

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633, TYPE 2, CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT

•

NUT HEIGHT: 0.212 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633, TYPE 2, CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
TEMP RATING	250.0 FAHRENHEIT NOMINAL DEGF
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT	0.212 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
NUT STYLE	HEXAGON

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

5310013787587Reference 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

Ready to buy 12387349-31?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is 12387349-31?

12387349-31 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 12387349-31?

There is 1 known substitute for 12387349-31: 5310013787587. Substitute compatibility should be verified for your specific system.

What is the NSN for 12387349-31?

12387349-31 is cataloged in the U.S. Government catalog under NSN 5310-01-378-7587. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

12387349-31 — NUT,SELF-LOCKING,HEXAGON

Request a Quote — 12387349-31