NSN 5325-01-326-1961 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-326-1961. Manufacturer of record part number: 80637.
Also searched as5325-01-326-1961 ·
5325013261961 ·
NIIN 013261961 ·
01-326-1961 ·
FSC 5325 Fastening Devices · CAGE 38056 · 80637
The Ring,retaining, cataloged under National Stock Number 5325-01-326-1961, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Ashcroft Inc Dba Heise. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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
Ashcroft Inc Dba Heise (CAGE 38056)
Technical Specifications
Parameter
Value
NSN
5325-01-326-1961
Primary Part Number
80637
Item Name
Ring,retaining
FSC / FSG
5325 / 53 — Fastening Devices
Manufacturer
Ashcroft Inc Dba Heise
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
9150-01-661-360480637POSSIBLE MATCH
LUBRICANT,ANTISEIZ
Possible match (shared part number)Saftlok International Corp.
7030-01-680-665180637POSSIBLE MATCH
SOFTWARE KIT
Possible match (shared part number)Aerovironment, Inc. Dba Aerovironment Inc
NSN 5325-01-326-1961 is a Ring,retaining, manufactured by Ashcroft Inc Dba Heise, classified under FSC 5325, Fastening Devices. Status: active.
What part numbers are listed for NSN 5325-01-326-1961?
NSN 5325-01-326-1961 has 1 manufacturer part number on file: 80637 (Ashcroft Inc Dba Heise).
What NSN replaces 5325-01-326-1961?
2 possible matches (shared part number, not a government interchangeability claim): 9150-01-661-3604, 7030-01-680-6651. Verify interchangeability with system specifications before substitution.
Is NSN 5325-01-326-1961 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.