The Ring,retaining, cataloged under National Stock Number 5325-01-563-8023, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Casappa Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-563-8023 |
| Primary Part Number | 41387101 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Casappa Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 41387101 PRIMARY | Casappa Corp (USA) |
| 799139AF P0S 28 | Casappa Corp (USA) |
| Reference | Meaning |
|---|---|
| 41387100 | 3/9 Design control — primary reference Casappa Corp |
NSN 5325-01-563-8023 is a Ring,retaining, manufactured by Casappa Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-563-8023 has 2 manufacturer part numbers on file: 41387101 (Casappa Corp), 799139AF P0S 28 (Casappa Corp).
Key specifications for 41387101: Part Name Assigned by Controlling Agency: INAVY: BACKUP RING; End Item Identification: PUMP, KP30.34-04S3-LOF/OD-67/PLP20.8-LOC/OC-LD; RG-31 MRAP. 0 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.