354290 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

354290: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 1100 OVERALL, thickness: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN, hole_diameter: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN, heat_treatment: F-AS FABRICATED, surface_finish: 63.0 MICROINCHES TOP, overall_diameter: 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-618-9446, 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

354290

NSN: 5310-00-618-9446
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 1100 OVERALL
thickness	0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
hole_diameter	0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
heat_treatment	F-AS FABRICATED
surface_finish	63.0 MICROINCHES TOP
overall_diameter	0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	AMS 4001 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-618-9446

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES BOTTOM

•

OVERALL DIAMETER: 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN

•

HEAT TREATMENT: F-AS FABRICATED

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4001 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: ALUMINUM ALLOY 1100 OVERALL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES BOTTOM
SURFACE FINISH	63.0 MICROINCHES TOP
OVERALL DIAMETER	0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
HEAT TREATMENT	F-AS FABRICATED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 4001 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	ALUMINUM ALLOY 1100 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 2

306084Reference document

Same NSN cross-reference

Reference document — Secondary reference

CVC754-328E17Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 354290?

354290 is a WASHER,FLAT.

What parts can replace 354290?

There are 2 known substitutes for 354290: 306084, CVC754-328E17. Substitute compatibility should be verified for your specific system.

What is the NSN for 354290?

354290 is cataloged in the U.S. Government catalog under NSN 5310-00-618-9446. This indicates validated use in U.S. government and defense supply chains.

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