393278 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

393278: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 101 OVERALL, thickness: 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN, hole_diameter: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN, heat_treatment: ANNEALED, overall_diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-442-4556, 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

393278

NSN: 5310-00-442-4556
NIINs: 004424556, 011494471
FSC: 5310 — Nuts and Washers
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)

SPECIFICATIONS

material	COPPER ALLOY 101 OVERALL
thickness	0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
hole_diameter	0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
heat_treatment	ANNEALED
overall_diameter	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
surface_treatment	CADMIUM OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-00-442-4556

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN

•

HEAT TREATMENT: ANNEALED

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: CADMIUM OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: COPPER ALLOY 101 OVERALL

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
HEAT TREATMENT	ANNEALED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	CADMIUM OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	COPPER ALLOY 101 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 2

540-3003-003Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

FF-W-92BReference document

Same NSN cross-reference

Reference document — Identification 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 393278?

393278 is a WASHER,FLAT.

What parts can replace 393278?

There are 2 known substitutes for 393278: 540-3003-003, FF-W-92B. Substitute compatibility should be verified for your specific system.

What is the NSN for 393278?

393278 is cataloged in the U.S. Government catalog under NSN 5310-00-442-4556. This indicates validated use in U.S. government and defense supply chains.

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