The Ring,retaining, cataloged under National Stock Number 5325-00-598-0752, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-598-0752 |
| Primary Part Number | A3066 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| Status | ACTIVE |
| Usage Design | EXTERNAL OR INTERNAL |
| End Style | VERTEX CENTER OR ABOVE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 0.312 INCHES NOMINAL IN |
| Major Thickness | 0.031 INCHES NOMINAL IN |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | CADMIUM |
| 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 |
|---|---|
| A3066 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA) |
| Reference | Meaning |
|---|---|
| A3066 | 5/9 Secondary reference Eaton Motor Site |
NSN 5325-00-598-0752 is a Ring,retaining, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-598-0752 has 1 manufacturer part number on file: A3066 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-031-6707. Verify interchangeability with system specifications before substitution.
Key specifications for A3066: Usage Design: EXTERNAL OR INTERNAL; End Style: VERTEX CENTER OR ABOVE; Cross-Sectional Shape Style: ROUNDED CORNERS; Outside Diameter: 0.312 INCHES NOMINAL IN. 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.