The Ring,retaining, cataloged under National Stock Number 5325-01-290-5113, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is U S Dept of Transportation Federal Aviation Administration. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-290-5113 |
| Primary Part Number | U20486001 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| End Style | D SHAPE ABOVE INSIDE PERIPHERY |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Inside Diameter | 0.453 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | C |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| U20486001 PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| U20486001 | 5/9 Secondary reference Genicom Corp |
NSN 5325-01-290-5113 is a Ring,retaining, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-290-5113 has 1 manufacturer part number on file: U20486001 (U S Dept of Transportation Federal Aviation Administration).
Key specifications for U20486001: End Style: D SHAPE ABOVE INSIDE PERIPHERY; Cross-Sectional Shape Style: DOUBLE OVAL; Inside Diameter: 0.453 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 6 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.