Washer, Flat5310-01-077-9404

NSN 5310-01-077-9404 · NIIN 010779404

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

Government record, cited

Also searched as 5310-01-077-9404 · 5310010779404 · NIIN 010779404 · 01-077-9404 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-077-9401 Nut · 5310-01-077-9405 Nut, Plain, Cap →

5310-01-077-9404 — Nuts and Washers

Features

Washer,flat — FSC 5310
Surface Treatment Document and Classification: 9102,FSCM 81860 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter: 4.440 INCHES MINIMUM AND 4.560 INCHES MAXIMUM IN
Material Document and Classification: ASTM A415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Surface Treatment: PAINT OVERALL
Peripheral Shape Style: ROUND
Material: STEEL COMP 1020 OVERALL

Identification

NSN: 5310-01-077-9404
NIIN: 010779404
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-077-9404, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-077-9404
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Surface Treatment Document and Classification	9102,FSCM 81860 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter	4.440 INCHES MINIMUM AND 4.560 INCHES MAXIMUM IN
Material Document and Classification	ASTM A415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style	RECTANGULAR
Surface Treatment	PAINT OVERALL
Peripheral Shape Style	ROUND
Material	STEEL COMP 1020 OVERALL
Center Hole Shape Style	ROUND
Hole Diameter	1.015 INCHES MINIMUM AND 1.028 INCHES MAXIMUM IN
Thickness	0.380 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
9810084-019102	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 5310-01-077-9404?

NSN 5310-01-077-9404 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-077-9404?

Key specifications for 5310-01-077-9404: Surface Treatment Document and Classification: 9102,FSCM 81860 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 4.440 INCHES MINIMUM AND 4.560 INCHES MAXIMUM IN; Material Document and Classification: ASTM A415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-077-9404 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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