The Ring,retaining, cataloged under National Stock Number 5325-00-476-7296, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-476-7296 |
| Primary Part Number | 2578721-001A |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Material Diameter | 0.112 INCHES NOMINAL IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.474 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SINGLE LEG OFFSET |
| Surface Treatment | CADMIUM |
| Material | STEEL UNS K08500 |
| 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 |
|---|---|
| 2578721-001A PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2578721-001A | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 2578721-001A | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| 2578721-001A | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
NSN 5325-00-476-7296 is a Ring,retaining, manufactured by Goodrich Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-476-7296 has 1 manufacturer part number on file: 2578721-001A (Goodrich Corporation).
Key specifications for 2578721-001A: Usage Design: EXTERNAL; Material Diameter: 0.112 INCHES NOMINAL IN; Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUND. 9 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.