PartsTable TECHNICAL DATA SHEET

NSN 5310-00-437-8943Government record, cited

Nut, Self-Locking5310-00-437-8943

NSN 5310-00-437-8943 · NIIN 004378943 · Part number 203MR144P008

Raytheon Company Div Corp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 49956

Government record, cited

NSN 5310-00-437-8943 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-437-8943. Manufacturer of record part number: 203MR144P008.

Also searched as 5310-00-437-8943 · 5310004378943 · NIIN 004378943 · 00-437-8943 · FSC 5310 Nuts and Washers · CAGE 49956 · 203MR144P008

Nearby stock numbers ← 5310-00-437-8924 · 5310-00-437-8944 →

5310-00-437-8943 — Nuts and Washers

Features

Nut,self-Locking — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Raytheon Company Div Corp

Identification

NSN: 5310-00-437-8943
NIIN: 004378943
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 203MR144P008
Manufacturer: Raytheon Company Div Corp

General Description

The Nut,self-Locking, cataloged under National Stock Number 5310-00-437-8943, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Nut,self-Locking
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Raytheon Company Div Corp (CAGE 49956)

Technical Specifications

Parameter	Value
NSN	5310-00-437-8943
Primary Part Number	203MR144P008
Item Name	Nut,self-Locking
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Raytheon Company Div 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
203MR144P008 PRIMARY	Raytheon Company Div Corp (USA)

Reference documents

Reference	Meaning
203MR144P008	5/9 Secondary reference Raytheon Company Dba Raytheon 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 5310-00-437-8943?

NSN 5310-00-437-8943 is a Nut,self-Locking, manufactured by Raytheon Company Div Corp, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-437-8943?

NSN 5310-00-437-8943 has 1 manufacturer part number on file: 203MR144P008 (Raytheon Company Div Corp).

Is NSN 5310-00-437-8943 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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