742520-1 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

742520-1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN, hole_diameter: 0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN, overall_diameter: 0.333 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN, surface_treatment: OXIDE FILM OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-273-6540, 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

742520-1

NSN: 5310-00-273-6540
FSC: 5310 — Nuts and Washers
CAGE: 99251 — MISSION SYSTEMS DAVENPORT INC. (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY OVERALL
thickness	0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
hole_diameter	0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
overall_diameter	0.333 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
surface_treatment	OXIDE FILM OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	QQ-A-318 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-00-273-6540

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 0.333 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-318 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: OXIDE FILM OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: ALUMINUM ALLOY OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	0.333 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-318 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	OXIDE FILM OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	ALUMINUM ALLOY OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
THICKNESS	0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 2

CVC754-221D13Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

241769Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 742520-1?

742520-1 is a WASHER,FLAT.

What parts can replace 742520-1?

There are 2 known substitutes for 742520-1: CVC754-221D13, 241769. Substitute compatibility should be verified for your specific system.

What is the NSN for 742520-1?

742520-1 is cataloged in the U.S. Government catalog under NSN 5310-00-273-6540. This indicates validated use in U.S. government and defense supply chains.

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