The Ring,retaining, cataloged under National Stock Number 5325-01-018-7786, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-018-7786 |
| Primary Part Number | Y-1176-1-87S |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 0.922 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN |
| Major Thickness | 0.031 INCHES NOMINAL IN |
| Inside Diameter | 0.857 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL |
| Material | STEEL COMP 302 |
| 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 |
|---|---|
| Y-1176-1-87S | Breeze-Eastern Llc (USA) |
| Reference | Meaning |
|---|---|
| RR87S | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-018-7786 is a Ring,retaining, manufactured by Breeze-Eastern Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-018-7786 has 1 manufacturer part number on file: Y-1176-1-87S (Breeze-Eastern Llc).
Key specifications for Y-1176-1-87S: Usage Design: INTERNAL; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 0.922 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN; Major Thickness: 0.031 INCHES NOMINAL IN. 8 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.