PartsTable TECHNICAL DATA SHEET

NSN 5310-01-371-0742Government record, cited

Washer, Lock5310-01-371-0742

NSN 5310-01-371-0742 · NIIN 013710742 · Part number 90073A030

Mcmaster-Carr Supply Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 39428

Government record, cited

NSN 5310-01-371-0742 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-371-0742. Manufacturer of record part number: 90073A030.

Also searched as 5310-01-371-0742 · 5310013710742 · NIIN 013710742 · 01-371-0742 · FSC 5310 Nuts and Washers · CAGE 39428 · 90073A030 · 119321-1

Nearby stock numbers ← 5310-01-371-0738 Washer, Flat · 5310-01-371-0743 Nut, Plain, Round →

5310-01-371-0742 — Nuts and Washers

Features

Washer,lock — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Mcmaster-Carr Supply Co

Identification

NSN: 5310-01-371-0742
NIIN: 013710742
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 90073A030
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-371-0742, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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,lock
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Mcmaster-Carr Supply Co (CAGE 39428)

Technical Specifications

Parameter	Value
NSN	5310-01-371-0742
Primary Part Number	90073A030
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Mcmaster-Carr Supply Co
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
90073A030	Mcmaster-Carr Supply Co (USA)

Reference documents

Reference	Meaning
119321-1	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 5310-01-371-0742?

NSN 5310-01-371-0742 is a Washer,lock, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-371-0742?

NSN 5310-01-371-0742 has 1 manufacturer part number on file: 90073A030 (Mcmaster-Carr Supply Co).

Is NSN 5310-01-371-0742 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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