The Ring,retaining, cataloged under National Stock Number 5325-01-412-0223, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-412-0223 |
| Primary Part Number | 9661M12P28 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| End Style | VERTEX OUTSIDE PERIPHERY |
| Material Document and Classification | AMS 5699 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 10.695 INCHES MINIMUM AND 10.705 INCHES MAXIMUM IN |
| Inside Diameter | 10.608 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | NICKEL ALLOY X-750 |
| 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 |
|---|---|
| 9661M12P28 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 5325PL0784542 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5325-01-412-0223 is a Ring,retaining, manufactured by General Electric Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-412-0223 has 1 manufacturer part number on file: 9661M12P28 (General Electric Company).
Key specifications for 9661M12P28: End Style: VERTEX OUTSIDE PERIPHERY; Material Document and Classification: AMS 5699 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUND; Outside Diameter: 10.695 INCHES MINIMUM AND 10.705 INCHES MAXIMUM IN. 8 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.