The Ring,retaining, cataloged under National Stock Number 5325-00-952-0528, 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 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-952-0528 |
| Primary Part Number | AL-773-8 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Material Hardness Rating | 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM |
| Usage Design | INTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | FED STD NO. 66,AISI C1070 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 0.922 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN |
| Major Thickness | 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Inside Diameter | 0.839 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL FLAT |
| 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 |
|---|---|
| AL-773-8 | Breeze-Eastern Llc (USA) |
| Reference | Meaning |
|---|---|
| RR-87K | 5/1 Secondary reference U.S. Government activity |
| MIL-DTL-27426 | 4/1 Identification reference U.S. Government activity |
| 401608-87 | 5/9 Secondary reference Richards Imagery Interpretation Systems, L.l.c. |
| M2742630115A | 2/2 Government specification standardization U.S. Government activity |
| WH-87 | 5/1 Secondary reference Smalley Steel Ring Co. |
NSN 5325-00-952-0528 is a Ring,retaining, manufactured by Breeze-Eastern Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-952-0528 has 1 manufacturer part number on file: AL-773-8 (Breeze-Eastern Llc).
Key specifications for AL-773-8: Material Hardness Rating: 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM; Usage Design: INTERNAL; Strength Rating: ERR-060; Material Document and Classification: FED STD NO. 66,AISI C1070 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE. 11 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.