6230505-B21 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

6230505-B21: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC, POLYETHYLENE (PP) OVERALL, thickness: 0.389 INCHES NOMINAL IN, hole_diameter: 3.510 INCHES NOMINAL IN, overall_diameter: 7.480 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-451-7910, 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

6230505-B21

NSN: 5310-01-451-7910
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	PLASTIC, POLYETHYLENE (PP) OVERALL
thickness	0.389 INCHES NOMINAL IN
hole_diameter	3.510 INCHES NOMINAL IN
overall_diameter	7.480 INCHES NOMINAL IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	ASTM D4020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-451-7910

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 7.480 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D4020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: PLASTIC, POLYETHYLENE (PP) OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 3.510 INCHES NOMINAL IN

•

THICKNESS: 0.389 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	7.480 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM D4020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	PLASTIC, POLYETHYLENE (PP) OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	3.510 INCHES NOMINAL IN
THICKNESS	0.389 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

566-6405741-SDGD-B21Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 6230505-B21?

6230505-B21 is a WASHER,FLAT.

What parts can replace 6230505-B21?

There is 1 known substitute for 6230505-B21: 566-6405741-SDGD-B21. Substitute compatibility should be verified for your specific system.

What is the NSN for 6230505-B21?

6230505-B21 is cataloged in the U.S. Government catalog under NSN 5310-01-451-7910. This indicates validated use in U.S. government and defense supply chains.

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