PartsTable TECHNICAL DATA SHEET

NSN 5310-01-021-4279Government record, cited

Washer, Flat5310-01-021-4279

NSN 5310-01-021-4279 · NIIN 010214279 · Part number 1032

Leroi International Inc Dba Compair Leroi · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 1XBP3

Government record, cited

NSN 5310-01-021-4279 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-021-4279. Manufacturer of record part number: 1032.

Also searched as 5310-01-021-4279 · 5310010214279 · NIIN 010214279 · 01-021-4279 · FSC 5310 Nuts and Washers · CAGE 1XBP3 · 1032

Nearby stock numbers ← 5310-01-021-4249 · 5310-01-021-4280 →

5310-01-021-4279 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Leroi International Inc Dba Compair Leroi

Identification

NSN: 5310-01-021-4279
NIIN: 010214279
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 1032
Manufacturer: Leroi International Inc Dba Compair Leroi

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-021-4279, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Leroi International Inc Dba Compair Leroi. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Leroi International Inc Dba Compair Leroi (CAGE 1XBP3)

Technical Specifications

Parameter	Value
NSN	5310-01-021-4279
Primary Part Number	1032
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Leroi International Inc Dba Compair Leroi
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
1032 PRIMARY	Leroi International Inc Dba Compair Leroi (USA)

Reference documents

Reference	Meaning
1032	3/9 Design control — primary reference Compair Kellogg Div of Robertshaw Controls Co

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 5310-01-021-4279?

NSN 5310-01-021-4279 is a Washer,flat, manufactured by Leroi International Inc Dba Compair Leroi, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-021-4279?

NSN 5310-01-021-4279 has 1 manufacturer part number on file: 1032 (Leroi International Inc Dba Compair Leroi).

Is NSN 5310-01-021-4279 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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