12641078-001 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12641078-001: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.168 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN, hole_diameter: 1.385 INCHES MINIMUM AND 1.425 INCHES MAXIMUM IN, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM, overall_diameter: 2.22 INCHES MINIMUM AND 2.28 INCHES MAXIMUM IN, surface_treatment: PHOSPHATE AND ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-657-3721, 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

12641078-001

NSN: 5310-01-657-3721
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL OVERALL
thickness	0.168 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
hole_diameter	1.385 INCHES MINIMUM AND 1.425 INCHES MAXIMUM IN
hardness_rating	38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
overall_diameter	2.22 INCHES MINIMUM AND 2.28 INCHES MAXIMUM IN
surface_treatment	PHOSPHATE AND ZINC OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
end_item_identification	MRAP - M-ATV
cross-sectional_shape_style	RECTANGULAR
NSN	5310-01-657-3721

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 2.22 INCHES MINIMUM AND 2.28 INCHES MAXIMUM IN

•

HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

COLOR: BLACK OVERALL

•

SURFACE TREATMENT: PHOSPHATE AND ZINC OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL OVERALL

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	2.22 INCHES MINIMUM AND 2.28 INCHES MAXIMUM IN
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
COLOR	BLACK OVERALL
SURFACE TREATMENT	PHOSPHATE AND ZINC OVERALL
PERIPHERAL SHAPE STYLE	ROUND
END ITEM IDENTIFICATION	MRAP - M-ATV
MATERIAL	STEEL OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	1.385 INCHES MINIMUM AND 1.425 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 12641078-001?

12641078-001 is a WASHER,FLAT.

What is the NSN for 12641078-001?

12641078-001 is cataloged in the U.S. Government catalog under NSN 5310-01-657-3721. This indicates validated use in U.S. government and defense supply chains.

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12641078-001 — WASHER,FLAT

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