Washer, Flat5310-01-574-4640

NSN 5310-01-574-4640 · NIIN 015744640

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

Government record, cited

Also searched as 5310-01-574-4640 · 5310015744640 · NIIN 015744640 · 01-574-4640 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-574-4633 Washer, Flat · 5310-01-574-4798 Nut, Self-Locking, Hexagon →

5310-01-574-4640 — Nuts and Washers

Features

Washer,flat — FSC 5310
Center Hole Width: 0.328 INCHES NOMINAL IN
Length: 0.610 INCHES NOMINAL IN
Surface Treatment Document and Classification: QQ-P-416,CLASS 3.TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Radius at Large End: 0.060 INCHES NOMINAL IN
Material Document and Classification: MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Surface Treatment: CADMIUM OVERALL

Identification

NSN: 5310-01-574-4640
NIIN: 015744640
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-574-4640, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-574-4640
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Center Hole Width	0.328 INCHES NOMINAL IN
Length	0.610 INCHES NOMINAL IN
Surface Treatment Document and Classification	QQ-P-416,CLASS 3.TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Radius at Large End	0.060 INCHES NOMINAL IN
Material Document and Classification	MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style	RECTANGULAR
Surface Treatment	CADMIUM OVERALL
Asbestos Content Percentage	0.0 NOMINAL
Peripheral Shape Style	SQUARE
Width	0.610 INCHES NOMINAL IN
Material	STEEL COMP 1020 OVERALL
Center Hole Shape Style	ROUND
Radius at Small End	0.060 INCHES NOMINAL IN
Thickness	0.160 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
NAS1401-5-5	3/2 Design control — primary reference 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 5310-01-574-4640?

NSN 5310-01-574-4640 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-574-4640?

Key specifications for 5310-01-574-4640: Center Hole Width: 0.328 INCHES NOMINAL IN; Length: 0.610 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,CLASS 3.TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Radius at Large End: 0.060 INCHES NOMINAL IN. 14 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-574-4640 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.

PartsTable Design LLC · partstable.com