The Ring,retaining, cataloged under National Stock Number 5325-01-577-2776, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-577-2776 |
| Primary Part Number | 803-7063850-B4X1-6 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Material | COPPER ALLOY AND TIN |
| 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 |
|---|---|
| 803-7063850-B4X1-6 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5325-01-577-2776 is a Ring,retaining, manufactured by Naval Sea Systems Command, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-577-2776 has 1 manufacturer part number on file: 803-7063850-B4X1-6 (Naval Sea Systems Command).
Key specifications for 803-7063850-B4X1-6: Usage Design: INTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: RING IS ATTACHED VIA SILVER BRAZE PER MIL-F-1183; End Item Identification: VALVE,GATE .75 IN 1146-A21U .75 IN IN. 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.