62.90.121 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

62.90.121: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thickness: 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN, hole_diameter: 1.015 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN, hardness_rating: 50.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM, overall_diameter: 1.401 INCHES MINIMUM AND 1.420 INCHES MAXIMUM IN, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-776-7631, 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

62.90.121

NSN: 5310-00-776-7631
FSC: 5310 — Nuts and Washers
CAGE: 0124B — SAPA OPERACIONES SL (ESP)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
thickness	0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
hole_diameter	1.015 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
hardness_rating	50.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM
overall_diameter	1.401 INCHES MINIMUM AND 1.420 INCHES MAXIMUM IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-776-7631

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 1.401 INCHES MINIMUM AND 1.420 INCHES MAXIMUM IN

•

HARDNESS RATING: 50.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: COPPER ALLOY OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 1.015 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	1.401 INCHES MINIMUM AND 1.420 INCHES MAXIMUM IN
HARDNESS RATING	50.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	COPPER ALLOY OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	1.015 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
THICKNESS	0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 2

8892925Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5310007767631Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 62.90.121?

62.90.121 is a WASHER,FLAT.

What parts can replace 62.90.121?

There are 2 known substitutes for 62.90.121: 8892925, 5310007767631. Substitute compatibility should be verified for your specific system.

What is the NSN for 62.90.121?

62.90.121 is cataloged in the U.S. Government catalog under NSN 5310-00-776-7631. This indicates validated use in U.S. government and defense supply chains.

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62.90.121 — WASHER,FLAT

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