The Ring,retaining, cataloged under National Stock Number 5325-00-649-7039, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-649-7039 |
| Primary Part Number | 9166076 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Strength Rating | ERR-060 |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 0.792 INCHES NOMINAL IN |
| Major Thickness | 0.042 INCHES NOMINAL IN |
| Inside Diameter | 0.708 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| RST75SK | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
| WS-775-S02 | Smalley Steel Ring Co. (USA) |
| 9166076 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| RS775SK | 5/9 Secondary reference U.S. Government activity |
| RST755K | 5/9 Secondary reference U.S. Government activity |
| WST-75-FS02 | C/1 Advisory reference — outside the item-of-supply concept Joli Plastic and Chemical Corp |
NSN 5325-00-649-7039 is a Ring,retaining, manufactured by Us Army Aviation and Missile Command, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-649-7039 has 3 manufacturer part numbers on file: RST75SK (Eaton Corp Dba Eaton Aerospace Jackson), WS-775-S02 (Smalley Steel Ring Co.), 9166076 (Us Army Aviation and Missile Command).
Key specifications for 9166076: Usage Design: EXTERNAL; Strength Rating: ERR-060; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 0.792 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.