PartsTable TECHNICAL DATA SHEET

NSN 5310-01-261-1230Government record, cited

Nut, Retainer5310-01-261-1230

NSN 5310-01-261-1230 · NIIN 012611230 · Part number 40A16689-2

Raytheon Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 15090

Government record, cited

NSN 5310-01-261-1230 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-261-1230. Manufacturer of record part number: 40A16689-2.

Also searched as 5310-01-261-1230 · 5310012611230 · NIIN 012611230 · 01-261-1230 · FSC 5310 Nuts and Washers · CAGE 15090 · 40A16689-2

Nearby stock numbers ← 5310-01-261-1227 Washer, Lock · 5310-01-261-1231 Nut, Self Locking →

5310-01-261-1230 — Nuts and Washers

Features

Nut,retainer — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Raytheon Company

Identification

NSN: 5310-01-261-1230
NIIN: 012611230
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 40A16689-2
Manufacturer: Raytheon Company

General Description

The Nut,retainer, cataloged under National Stock Number 5310-01-261-1230, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	5310-01-261-1230
Primary Part Number	40A16689-2
Item Name	Nut,retainer
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Raytheon Company
Status	ACTIVE

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

Cross-Reference Index

Part Number	Manufacturer
40A16689-2 PRIMARY	Raytheon Company (USA)

Reference documents

Reference	Meaning
40A16689-2	5/9 Secondary reference Hughes Missile Systems Co San Diego

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 5310-01-261-1230?

NSN 5310-01-261-1230 is a Nut,retainer, manufactured by Raytheon Company, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-261-1230?

NSN 5310-01-261-1230 has 1 manufacturer part number on file: 40A16689-2 (Raytheon Company).

What are the specifications of 40A16689-2?

Key specifications for 40A16689-2: End Item Identification: PACER SPECIAL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-261-1230 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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