Washer, Flat5310-00-281-9159

NSN 5310-00-281-9159 · NIIN 002819159

FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5310-00-281-9159 · 5310002819159 · NIIN 002819159 · 00-281-9159 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-00-281-8418 · 5310-00-281-9160 →

5310-00-281-9159 — Nuts and Washers

Features

Washer,flat — FSC 5310
Surface Finish: 50.0 MICROINCHES TOP
Surface Finish: 50.0 MICROINCHES BOTTOM
Overall Diameter: 0.375 INCHES NOMINAL IN
Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
Material Document and Classification: AMS 5045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Surface Treatment: CADMIUM OVERALL

Identification

NSN: 5310-00-281-9159
NIIN: 002819159
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,flat, cataloged under National Stock Number 5310-00-281-9159, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-00-281-9159
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Surface Finish	50.0 MICROINCHES TOP
Surface Finish	50.0 MICROINCHES BOTTOM
Overall Diameter	0.375 INCHES NOMINAL IN
Hardness Rating	35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
Material Document and Classification	AMS 5045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style	RECTANGULAR
Surface Treatment	CADMIUM OVERALL
Peripheral Shape Style	ROUND
Material	STEEL OVERALL
Center Hole Shape Style	ROUND
Hole Diameter	0.159 INCHES NOMINAL IN
Thickness	0.043 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
AN122579	2/2 Government specification standardization U.S. Government activity

No interchangeability data on file.

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

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-00-281-9159?

NSN 5310-00-281-9159 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-00-281-9159?

Key specifications for 5310-00-281-9159: Surface Finish: 50.0 MICROINCHES TOP; Surface Finish: 50.0 MICROINCHES BOTTOM; Overall Diameter: 0.375 INCHES NOMINAL IN; Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-281-9159 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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