Washer, Flat5310-01-209-7271

NSN 5310-01-209-7271 · NIIN 012097271

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

Government record, cited

Also searched as 5310-01-209-7271 · 5310012097271 · NIIN 012097271 · 01-209-7271 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-209-7270 · 5310-01-209-7272 →

5310-01-209-7271 — Nuts and Washers

Features

Washer,flat — FSC 5310
Overall Diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: DEE
Width: 0.241 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN
Material: STEEL OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN

Identification

NSN: 5310-01-209-7271
NIIN: 012097271
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-209-7271, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-209-7271
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Overall Diameter	0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Cross-Sectional Shape Style	RECTANGULAR
Peripheral Shape Style	DEE
Width	0.241 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN
Material	STEEL OVERALL
Center Hole Shape Style	ROUND
Hole Diameter	0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Thickness	0.030 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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-257-157357347-00 POSSIBLE MATCH

GEAR OPERATOR,VALVE

Possible match (shared part number)Triumph Controls, Llc

Cross-Reference Index

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

Reference documents

Reference	Meaning
5734-7	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-257-1573POSSIBLE MATCH

GEAR OPERATOR,VALVE

57347-00

Frequently Asked Questions

What is NSN 5310-01-209-7271?

NSN 5310-01-209-7271 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.

What NSN replaces 5310-01-209-7271?

1 possible match (shared part number, not a government interchangeability claim): 4820-01-257-1573. Verify interchangeability with system specifications before substitution.

What are the specifications of 5310-01-209-7271?

Key specifications for 5310-01-209-7271: Overall Diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: DEE; Width: 0.241 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-209-7271 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