The Ring,retaining, cataloged under National Stock Number 5325-00-924-7809, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Ampex Data Systems Corporation Dba Ampex Intelligent Systems. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-924-7809 |
| Primary Part Number | 430-033 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Ampex Data Systems Corporation Dba Ampex Intelligent Systems |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.249 INCHES NOMINAL IN |
| Major Thickness | 0.050 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | INTERNAL |
| 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 |
|---|---|
| 430-033 PRIMARY | Ampex Data Systems Corporation Dba Ampex Intelligent Systems (USA) |
| Reference | Meaning |
|---|---|
| 430-033 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-00-924-7809 is a Ring,retaining, manufactured by Ampex Data Systems Corporation Dba Ampex Intelligent Systems, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-924-7809 has 1 manufacturer part number on file: 430-033 (Ampex Data Systems Corporation Dba Ampex Intelligent Systems).
4 possible matches (shared part number, not a government interchangeability claim): 3020-01-122-2084, 5365-01-438-1627, 2925-01-443-4216. Verify interchangeability with system specifications before substitution.
Key specifications for 430-033: Usage Design: INTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 1.249 INCHES NOMINAL IN; Major Thickness: 0.050 INCHES NOMINAL IN. 7 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.