The Ring,retaining, cataloged under National Stock Number 5325-01-628-3301, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rotor Clip Company, Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-628-3301 |
| Primary Part Number | E-87ST-ZD B100 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rotor Clip Company, Inc. |
| Status | ACTIVE |
| Material Hardness Rating | 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| Strength Rating | ERR-060 |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.3000 INCHES NOMINAL IN |
| Major Thickness | 0.0500 INCHES NOMINAL IN |
| Inside Diameter | 0.6680 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | E |
| 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 |
|---|---|
| 67150961 | Msc Industrial Direct Co., Inc. (USA) |
| E-87ST-ZD B100 PRIMARY | Rotor Clip Company, Inc. (USA) |
NSN 5325-01-628-3301 is a Ring,retaining, manufactured by Rotor Clip Company, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-628-3301 has 2 manufacturer part numbers on file: 67150961 (Msc Industrial Direct Co., Inc.), E-87ST-ZD B100 (Rotor Clip Company, Inc.).
Key specifications for E-87ST-ZD B100: Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; Strength Rating: ERR-060; Cross-Sectional Shape Style: RECTANGULAR. 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.