12387279-4 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12387279-4: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN, hole_diameter: 0.120 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, overall_diameter: 0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN, surface_treatment: ZINC AND CHROMATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-374-4513, 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

12387279-4

NSN: 5310-01-374-4513
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL OVERALL
thickness	0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
hole_diameter	0.120 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
overall_diameter	0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
surface_treatment	ZINC AND CHROMATE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
nondefinitive_spec/std_data	A TYPE AND 1 GRADE
material_document_and_classification	66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classification	ASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-374-4513

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE

•

SURFACE TREATMENT: ZINC AND CHROMATE OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL OVERALL

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
NONDEFINITIVE SPEC/STD DATA	A TYPE AND 1 GRADE
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.120 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN

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

FF-W-92Reference document

Same NSN cross-reference

Reference document — Identification reference

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 12387279-4?

12387279-4 is a WASHER,FLAT.

What parts can replace 12387279-4?

There is 1 known substitute for 12387279-4: FF-W-92. Substitute compatibility should be verified for your specific system.

What is the NSN for 12387279-4?

12387279-4 is cataloged in the U.S. Government catalog under NSN 5310-01-374-4513. This indicates validated use in U.S. government and defense supply chains.

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