Ring, Retaining5325-01-012-2600

NSN 5325-01-012-2600 · NIIN 010122600 · Part number 15821-021

Astronautics Corporation of America · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 10138

Government record, cited

NSN 5325-01-012-2600 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-012-2600. Manufacturer of record part number: 15821-021.

Also searched as 5325-01-012-2600 · 5325010122600 · NIIN 010122600 · 01-012-2600 · FSC 5325 Fastening Devices · CAGE 10138 · 15821-021 · 104528

Nearby stock numbers ← 5325-01-012-2590 · 5325-01-012-2601 Ring, Retaining →

Features

Ring,retaining — FSC 5325
1 manufacturer part number on file
Manufacturer of record: Astronautics Corporation of America

Identification

NSN: 5325-01-012-2600
NIIN: 010122600
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: 15821-021
Manufacturer: Astronautics Corporation of America

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-012-2600, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Astronautics Corporation of America. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Ring,retaining
FSC / FSG	5325 — Fastening Devices (FSG 53)
Manufacturers	Astronautics Corporation of America (CAGE 10138)

Technical Specifications

Parameter	Value
NSN	5325-01-012-2600
Primary Part Number	15821-021
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Astronautics Corporation of America
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

⇄ Related Items 2

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5305-01-420-6056 POSSIBLE MATCH

SCREW,MACHINE

Possible match (shared part number)

5985-01-620-8729104528 POSSIBLE MATCH

WAVEGUIDE

Possible match (shared part number)Continental Electronics Corp

Cross-Reference Index

Part Number	Manufacturer
15821-021 PRIMARY	Astronautics Corporation of America (USA)

Reference documents

Reference	Meaning
104528	5/9 Secondary reference Astronautics Corporation of America

Related Parts

5305-01-420-6056POSSIBLE MATCH

SCREW,MACHINE

5985-01-620-8729POSSIBLE MATCH

WAVEGUIDE

104528

Frequently Asked Questions

What is NSN 5325-01-012-2600?

NSN 5325-01-012-2600 is a Ring,retaining, manufactured by Astronautics Corporation of America, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-012-2600?

NSN 5325-01-012-2600 has 1 manufacturer part number on file: 15821-021 (Astronautics Corporation of America).

What NSN replaces 5325-01-012-2600?

2 possible matches (shared part number, not a government interchangeability claim): 5305-01-420-6056, 5985-01-620-8729. Verify interchangeability with system specifications before substitution.

Is NSN 5325-01-012-2600 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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