The Ring,retaining, cataloged under National Stock Number 5325-01-628-8544, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-628-8544 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 300147-1 | 5/9 Secondary reference Tri-Tec Manufacturing, Llc |
| 300147-1 | 5/2 Secondary reference U.S. Government activity |
| 300140-1 | 3/2 Design control — primary reference U.S. Government activity |
| 300151-1 | 3/2 Design control — primary reference U.S. Government activity |
| 301308ITEM17 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5325-01-628-8544 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-628-8544: Special Features: MATERIAL IS 316 STAINLESS STEEL.; Part Name Assigned by Controlling Agency: RETAINER, RING; End Item Identification: ROUND VENTILATION CLOSURE; Material: STEEL CORROSION RESISTING. 1 specification is documented in the U.S. Government catalog.
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.