The Ring,retaining, cataloged under National Stock Number 5325-01-516-6544, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Warfare Ctr Aircraft Div. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-516-6544 |
| Primary Part Number | 43033-00690-1 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Naval Air Warfare Ctr Aircraft Div |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Inside Diameter | 2.295 INCHES MINIMUM AND 2.335 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Surface Treatment | ZINC OR CADMIUM AND DICHROMATE |
| 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 |
|---|---|
| 43033-00690-1 PRIMARY | Naval Air Warfare Ctr Aircraft Div (USA) |
| Reference | Meaning |
|---|---|
| 397509-1 | 5/9 Secondary reference L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| 43033-00690 | D/9 Drawing number reference only Naval Air Warfare Ctr Aircraft Div |
NSN 5325-01-516-6544 is a Ring,retaining, manufactured by Naval Air Warfare Ctr Aircraft Div, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-516-6544 has 1 manufacturer part number on file: 43033-00690-1 (Naval Air Warfare Ctr Aircraft Div).
Key specifications for 43033-00690-1: Usage Design: EXTERNAL; Inside Diameter: 2.295 INCHES MINIMUM AND 2.335 INCHES MAXIMUM IN; Casehardening Indicator: NOT CASEHARDENED; Ring Style: EXTERNAL. 5 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.