PartsTable TECHNICAL DATA SHEET

NSN 5310-01-238-7203Government record, cited

Washer, Lock5310-01-238-7203

NSN 5310-01-238-7203 · NIIN 012387203 · Part number 6D73-2251

Carrier Corp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 10855

Government record, cited

NSN 5310-01-238-7203 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-238-7203. Manufacturer of record part number: 6D73-2251.

Also searched as 5310-01-238-7203 · 5310012387203 · NIIN 012387203 · 01-238-7203 · FSC 5310 Nuts and Washers · CAGE 10855 · 6D73-2251 · 6D732251 · 62-10404-00 PG 14 ITEM 165

Nearby stock numbers ← 5310-01-238-7202 · 5310-01-238-7204 →

5310-01-238-7203 — Nuts and Washers

Features

Washer,lock — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Carrier Corp

Identification

NSN: 5310-01-238-7203
NIIN: 012387203
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 6D73-2251
Manufacturer: Carrier Corp

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-238-7203, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Carrier Corp. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Carrier Corp (CAGE 10855); Carrier Air Conditioning Pty Ltd (CAGE Z5L18)

Technical Specifications

Parameter	Value
NSN	5310-01-238-7203
Primary Part Number	6D73-2251
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Carrier Corp
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
6D73-2251 PRIMARY	Carrier Corp (USA)
6D732251	Carrier Air Conditioning Pty Ltd (AUS)

Reference documents

Reference	Meaning
62-10404-00 PG 14 ITEM 165	C/1 Advisory reference — outside the item-of-supply concept Carrier Corp

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 5310-01-238-7203?

NSN 5310-01-238-7203 is a Washer,lock, manufactured by Carrier Corp, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-238-7203?

NSN 5310-01-238-7203 has 2 manufacturer part numbers on file: 6D73-2251 (Carrier Corp), 6D732251 (Carrier Air Conditioning Pty Ltd).

Is NSN 5310-01-238-7203 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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