The Ring,retaining, cataloged under National Stock Number 5325-01-210-1568, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Hartmann Controls, Inc Div Hartmann Controls. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | Hartmann Controls, Inc Div Hartmann Controls (CAGE 63568) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-210-1568 |
| Primary Part Number | 28561 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Hartmann Controls, Inc Div Hartmann Controls |
| 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 |
|---|---|
| 28561 PRIMARY | Hartmann Controls, Inc Div Hartmann Controls (USA) |
NSN 5325-01-210-1568 is a Ring,retaining, manufactured by Hartmann Controls, Inc Div Hartmann Controls, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-210-1568 has 1 manufacturer part number on file: 28561 (Hartmann Controls, Inc Div Hartmann Controls).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-380-5498. 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.