12387549-8 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12387549-8: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, thickness: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN, hole_diameter: 0.501 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN, hardness_rating: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM, overall_diameter: 0.940 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN, special_features: FINISH COLOR BRONZE OR OLIVE DRAB. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-383-5976, 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

12387549-8

NSN: 5310-01-383-5976
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 4130 OVERALL
thickness	0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
hole_diameter	0.501 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
hardness_rating	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
overall_diameter	0.940 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN
special_features	FINISH COLOR BRONZE OR OLIVE DRAB
surface_treatment	ZINC AND CHROMATE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-383-5976

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.940 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN

•

HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: ZINC AND CHROMATE OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL COMP 4130 OVERALL

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.940 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SPECIAL FEATURES	FINISH COLOR BRONZE OR OLIVE DRAB
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 4130 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.501 INCHES MINIMUM AND 0.505 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

No substitute or cross-reference records for this part.

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 12387549-8?

12387549-8 is a WASHER,FLAT.

What is the NSN for 12387549-8?

12387549-8 is cataloged in the U.S. Government catalog under NSN 5310-01-383-5976. This indicates validated use in U.S. government and defense supply chains.

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12387549-8 — WASHER,FLAT

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