The Ring,retaining, cataloged under National Stock Number 5325-01-291-0034, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Heidelberg Usa Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,retaining |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | Heidelberg Usa Inc (CAGE 65713); Metric and Multistandard Components Corp (CAGE 15526) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-291-0034 |
| Primary Part Number | 00.510.0401 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Heidelberg Usa Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 00.510.0401 PRIMARY | Heidelberg Usa Inc (USA) |
| DIN 472-39 PRIMARY | Metric and Multistandard Components Corp (USA) |
| Reference | Meaning |
|---|---|
| 472-39 | 5/9 Secondary reference Metric and Multistandard Components Corp |
NSN 5325-01-291-0034 is a Ring,retaining, manufactured by Heidelberg Usa Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-291-0034 has 2 manufacturer part numbers on file: 00.510.0401 (Heidelberg Usa Inc), DIN 472-39 (Metric and Multistandard Components Corp).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-384-5114. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.