The Ring,retaining, cataloged under National Stock Number 5325-00-298-6579, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Paragon Power Inc Sub of Great Lakes Power Products Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-00-298-6579 |
| Primary Part Number | RDA350A |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Paragon Power Inc Sub of Great Lakes Power Products Inc |
| Status | ACTIVE |
| Usage Design | INTERNAL OR EXTERNAL |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 2.563 INCHES NOMINAL IN |
| Major Thickness | 0.063 INCHES NOMINAL IN |
| Inside Diameter | 2.188 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | ANGULAR CAP |
| Material | STEEL |
| 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 |
|---|---|
| RDA350A PRIMARY | Paragon Power Inc Sub of Great Lakes Power Products Inc (USA) |
| Reference | Meaning |
|---|---|
| S4105-78436PCRDA350A | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-298-6579 is a Ring,retaining, manufactured by Paragon Power Inc Sub of Great Lakes Power Products Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-298-6579 has 1 manufacturer part number on file: RDA350A (Paragon Power Inc Sub of Great Lakes Power Products Inc).
Key specifications for RDA350A: Usage Design: INTERNAL OR EXTERNAL; Cross-Sectional Shape Style: ROUNDED CORNERS; Outside Diameter: 2.563 INCHES NOMINAL IN; Major Thickness: 0.063 INCHES NOMINAL 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.