12387303-57 — NUT,PLAIN,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12387303-57: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.398 INCHES MINIMUM AND 0.446 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), hardness_rating: 121.0 BRINELL STANDARD MINIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-476-3708, 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

12387303-57

NSN: 5310-01-476-3708
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	0.398 INCHES MINIMUM AND 0.446 INCHES MAXIMUM IN
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
hardness_rating	121.0 BRINELL STANDARD MINIMUM
thread_direction	RIGHT-HAND
width_across_flats	1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
nominal_thread_size	0.750 INCHES IN
bearing_surface_type	CHAMFERED OR WASHER FACED
end_item_identification	5420014305403;M-1 ABRAMS TANK
thread_quantity_per_inch	10
NSN	5310-01-476-3708

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

HARDNESS RATING: 121.0 BRINELL STANDARD MINIMUM

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.750 INCHES IN

•

NUT HEIGHT: 0.398 INCHES MINIMUM AND 0.446 INCHES MAXIMUM IN

•

NUT STYLE: HEXAGON

•

THREAD CLASS: 2B

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING	121.0 BRINELL STANDARD MINIMUM
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.750 INCHES IN
NUT HEIGHT	0.398 INCHES MINIMUM AND 0.446 INCHES MAXIMUM IN
NUT STYLE	HEXAGON
THREAD CLASS	2B
END ITEM IDENTIFICATION	5420014305403;M-1 ABRAMS TANK
THREAD QUANTITY PER INCH	10

SUBSTITUTES & CROSS-REFERENCES 1

12387303Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 12387303-57?

12387303-57 is a NUT,PLAIN,HEXAGON.

What parts can replace 12387303-57?

There is 1 known substitute for 12387303-57: 12387303. Substitute compatibility should be verified for your specific system.

What is the NSN for 12387303-57?

12387303-57 is cataloged in the U.S. Government catalog under NSN 5310-01-476-3708. This indicates validated use in U.S. government and defense supply chains.

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12387303-57 — NUT,PLAIN,HEXAGON

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