900319-4 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

900319-4: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, hole_diameter: 0.406 INCHES NOMINAL IN, overall_diameter: 0.812 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-468-3513, 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

900319-4

NSN: 5310-01-468-3513
FSC: 5310 — Nuts and Washers
CAGE: 75477 — FM AF, LLC DBA AMERICAN FAN COMPANY (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
thickness	0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
hole_diameter	0.406 INCHES NOMINAL IN
overall_diameter	0.812 INCHES NOMINAL IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
end_item_identification	FAN VANEAXIAL:WSD;NIMITZ CLASS CVN
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	SST 18-8 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-468-3513

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.812 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: SST 18-8 MFR REF SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL CORROSION RESISTING OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 0.406 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.812 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	SST 18-8 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
END ITEM IDENTIFICATION	FAN VANEAXIAL:WSD;NIMITZ CLASS CVN
MATERIAL	STEEL CORROSION RESISTING OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.406 INCHES NOMINAL IN
THICKNESS	0.051 INCHES MINIMUM AND 0.080 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 2

B18.22.1Reference document

Same NSN cross-reference

Reference document — Secondary reference

5310PL0922200Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 900319-4?

900319-4 is a WASHER,FLAT.

What parts can replace 900319-4?

There are 2 known substitutes for 900319-4: B18.22.1, 5310PL0922200. Substitute compatibility should be verified for your specific system.

What is the NSN for 900319-4?

900319-4 is cataloged in the U.S. Government catalog under NSN 5310-01-468-3513. This indicates validated use in U.S. government and defense supply chains.

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