H40-0003-003 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

H40-0003-003: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 270 OR COPPER ALLOY 268 OVERALL, thickness: 0.028 INCHES NOMINAL IN, hole_diameter: 0.147 INCHES NOMINAL IN, overall_diameter: 0.310 INCHES NOMINAL IN, features_provided: CASEHARDENED, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-213-4191, 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

H40-0003-003

NSN: 5310-01-213-4191
FSC: 5310 — Nuts and Washers
CAGE: 14304 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORP DIV HARRIS DEFENSE COMMUNICATIONS (USA)

SPECIFICATIONS

material	COPPER ALLOY 270 OR COPPER ALLOY 268 OVERALL
thickness	0.028 INCHES NOMINAL IN
hole_diameter	0.147 INCHES NOMINAL IN
overall_diameter	0.310 INCHES NOMINAL IN
features_provided	CASEHARDENED
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	QQ-W-321 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL
NSN	5310-01-213-4191

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.310 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-321 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

FEATURES PROVIDED: CASEHARDENED

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: COPPER ALLOY 270 OR COPPER ALLOY 268 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 0.147 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.310 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-321 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
FEATURES PROVIDED	CASEHARDENED
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	COPPER ALLOY 270 OR COPPER ALLOY 268 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.147 INCHES NOMINAL IN
THICKNESS	0.028 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 1

5310PL2154270Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is H40-0003-003?

H40-0003-003 is a WASHER,FLAT.

What parts can replace H40-0003-003?

There is 1 known substitute for H40-0003-003: 5310PL2154270. Substitute compatibility should be verified for your specific system.

What is the NSN for H40-0003-003?

H40-0003-003 is cataloged in the U.S. Government catalog under NSN 5310-01-213-4191. This indicates validated use in U.S. government and defense supply chains.

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