211028399 — WASHER,LOCK

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

211028399: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, hole_diameter: 3.410 INCHES NOMINAL IN, surface_finish: 250.0 MICROINCHES ALL SURFACES, outside_diameter: 8.250 INCHES NOMINAL IN, style_designator: FLAT EXTERNAL TEETH, material_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-490-2543, 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

211028399

NSN: 5310-01-490-2543
FSC: 5310 — Nuts and Washers
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 OVERALL
hole_diameter	3.410 INCHES NOMINAL IN
surface_finish	250.0 MICROINCHES ALL SURFACES
outside_diameter	8.250 INCHES NOMINAL IN
style_designator	FLAT EXTERNAL TEETH
material_thickness	0.125 INCHES NOMINAL IN
end_item_identification	LOS ANGELES CLASS SSN(688),RESISTOR ASSY
material_document_and_classification	QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-490-2543

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 250.0 MICROINCHES ALL SURFACES

•

STYLE DESIGNATOR: FLAT EXTERNAL TEETH

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

OUTSIDE DIAMETER: 8.250 INCHES NOMINAL IN

•

MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN

•

MATERIAL: NICKEL ALLOY 400 OVERALL

•

HOLE DIAMETER: 3.410 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	250.0 MICROINCHES ALL SURFACES
STYLE DESIGNATOR	FLAT EXTERNAL TEETH
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER	8.250 INCHES NOMINAL IN
MATERIAL THICKNESS	0.125 INCHES NOMINAL IN
END ITEM IDENTIFICATION	LOS ANGELES CLASS SSN(688),RESISTOR ASSY
MATERIAL	NICKEL ALLOY 400 OVERALL
HOLE DIAMETER	3.410 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 4

566-6985431-8Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

H623-0505-8Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

6985432Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

H623-0503-8Same 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 211028399?

211028399 is a WASHER,LOCK.

What parts can replace 211028399?

There are 4 known substitutes for 211028399: 566-6985431-8, H623-0505-8, 6985432 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 211028399?

211028399 is cataloged in the U.S. Government catalog under NSN 5310-01-490-2543. This indicates validated use in U.S. government and defense supply chains.

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