The Ring,retaining, cataloged under National Stock Number 5325-01-181-3913, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-181-3913 |
| Primary Part Number | 1057-0001-192CP |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material | STEEL CORROSION RESISTING |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 1057-0001-192CP | Mission Systems Orchard Park Inc (USA) |
| 2372-037 PIECE 21CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 1051-0001-192CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 1051-0001-192 | 5/9 Secondary reference Mission Systems Orchard Park Inc |
| 1051-0001-192 | 3/1 Design control — primary reference Carleton Technologies Inc Div Tampa Facility |
| 2372-037 PIECE 21 | 5/9 Secondary reference Mission Systems Orchard Park Inc |
NSN 5325-01-181-3913 is a Ring,retaining, manufactured by Mission Systems Orchard Park Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-181-3913 has 3 manufacturer part numbers on file: 1057-0001-192CP (Mission Systems Orchard Park Inc), 2372-037 PIECE 21CP (Naval Inventory Control Point Mechanicsburg), 1051-0001-192CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 1057-0001-192CP: Criticality Code Justification: ZZZY; Material: STEEL CORROSION RESISTING; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 3 specifications are 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.