12387383-12 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12387383-12: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1330 OR STEEL COMP 4130 OVERALL, thickness: 0.078 INCHES NOMINAL IN, hole_diameter: 0.757 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN, overall_diameter: 1.250 INCHES NOMINAL IN, surface_treatment: ZINC AND CHROMATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-378-4260, 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

12387383-12

NSN: 5310-01-378-4260
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 1330 OR STEEL COMP 4130 OVERALL
thickness	0.078 INCHES NOMINAL IN
hole_diameter	0.757 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
overall_diameter	1.250 INCHES NOMINAL IN
surface_treatment	ZINC AND CHROMATE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classification	ASTMB633,TYPE 2 FED STD ALL TREATMENT RESPONSES OVERALL
NSN	5310-01-378-4260

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTMB633,TYPE 2 FED STD ALL TREATMENT RESPONSES OVERALL

•

OVERALL DIAMETER: 1.250 INCHES NOMINAL IN

•

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

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: ZINC AND CHROMATE OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL COMP 1330 OR STEEL COMP 4130 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTMB633,TYPE 2 FED STD ALL TREATMENT RESPONSES OVERALL
OVERALL DIAMETER	1.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 1330 OR STEEL COMP 4130 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.757 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
THICKNESS	0.078 INCHES NOMINAL 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 12387383-12?

12387383-12 is a WASHER,FLAT.

What is the NSN for 12387383-12?

12387383-12 is cataloged in the U.S. Government catalog under NSN 5310-01-378-4260. This indicates validated use in U.S. government and defense supply chains.

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12387383-12 — WASHER,FLAT

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