The Ring,retaining, cataloged under National Stock Number 5325-01-020-7073, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Mission Systems Orchard Park 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-020-7073 |
| Primary Part Number | 1826-501-008-1 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Diameter | 0.031 INCHES NOMINAL IN |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.625 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN |
| Inside Diameter | 1.563 INCHES MINIMUM AND 1.565 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 1826-501-008-1 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| 1826501008-1 | 5/9 Secondary reference Mission Systems Orchard Park Inc |
NSN 5325-01-020-7073 is a Ring,retaining, manufactured by Mission Systems Orchard Park Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-020-7073 has 1 manufacturer part number on file: 1826-501-008-1 (Mission Systems Orchard Park Inc).
Key specifications for 1826-501-008-1: Usage Design: EXTERNAL; End Style: 90 DEGREE PARALLEL; Material Diameter: 0.031 INCHES NOMINAL IN; Material Document and Classification: QQ-W-423 FED SPEC 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.