The Ring,retaining, cataloged under National Stock Number 5325-01-415-6758, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-415-6758 |
| Primary Part Number | MS16633-5037 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rotor Clip Company, Inc. |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| End Style | VERTEX BELOW CENTER |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Major Thickness | 0.035 INCHES NOMINAL IN |
| Inside Diameter | 0.300 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| MS16633-5037 PRIMARY | Rotor Clip Company, Inc. (USA) |
| 1000-37-BC | Rotor Clip Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MS16633-5037 | 3/9 Design control — primary reference U.S. Government activity |
| 1000-37-BC | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-415-6758 is a Ring,retaining, manufactured by Rotor Clip Company, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-415-6758 has 2 manufacturer part numbers on file: MS16633-5037 (Rotor Clip Company, Inc.), 1000-37-BC (Rotor Clip Company, Inc.).
Key specifications for MS16633-5037: Usage Design: EXTERNAL; End Style: VERTEX BELOW CENTER; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 0.375 INCHES NOMINAL IN. 9 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.