The Ring,retaining, cataloged under National Stock Number 5325-00-486-8077, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Unison Industries Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-486-8077 |
| Primary Part Number | 10-166519 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Material Hardness Rating | 50.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | AISI 420 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.015 INCHES NOMINAL IN |
| Inside Diameter | 0.094 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | E |
| Material | STEEL COMP 420 |
| 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 |
|---|---|
| 10-166519 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 1000-12SS | 5/9 Secondary reference U.S. Government activity |
| 10-166519 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
NSN 5325-00-486-8077 is a Ring,retaining, manufactured by Unison Industries Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-486-8077 has 1 manufacturer part number on file: 10-166519 (Unison Industries Llc).
Key specifications for 10-166519: Material Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; Strength Rating: ERR-060; Material Document and Classification: AISI 420 ASSN STD SINGLE MATERIAL RESPONSE. 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.