The Ring,retaining, cataloged under National Stock Number 5325-00-200-7243, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Sterling Engine Co Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-00-200-7243 |
| Primary Part Number | P211455 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Sterling Engine Co Inc |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| End Style | VERTEX BELOW CENTER |
| Material Diameter | 0.098 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN |
| Material Document and Classification | SAE 1065 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.960 INCHES MINIMUM AND 1.008 INCHES MAXIMUM IN |
| Inside Diameter | 0.764 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL COMP 1065 |
| 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 |
|---|---|
| P211455 PRIMARY | Sterling Engine Co Inc (USA) |
| Reference | Meaning |
|---|---|
| P211455 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
NSN 5325-00-200-7243 is a Ring,retaining, manufactured by Sterling Engine Co Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-200-7243 has 1 manufacturer part number on file: P211455 (Sterling Engine Co Inc).
Key specifications for P211455: Usage Design: EXTERNAL; End Style: VERTEX BELOW CENTER; Material Diameter: 0.098 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN; Material Document and Classification: SAE 1065 ASSN STD SINGLE MATERIAL RESPONSE. 10 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.