The Ring,retaining, cataloged under National Stock Number 5325-01-161-6150, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-161-6150 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Material Document and Classification | AISI 1060 ASSN STD 1ST MATERIAL RESPONSE AND AISI 1065 ASSN STD 2ND MATERIAL RESPONSE AND AISI 1070 ASSN STD 3RD MATERIAL RESPONSE AND AISI 1074 ASSN STD 4TH MATERIAL RESPONSE AND AISI 1078 ASSN STD 5TH MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.042 INCHES NOMINAL IN |
| Inside Diameter | 0.780 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Surface Treatment | PHOSPHATE |
| Material | STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1078 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2BA449 | 5/1 Secondary reference Oshkosh Defense Llc |
| HGR50-ISO-10-25 | 5/1 Secondary reference U.S. Government activity |
| 1400-84SPP | 5/9 Secondary reference Seeger Inc Anderton-United Products Div |
| MIL-DTL-21248 | 4/1 Identification reference U.S. Government activity |
| MS16624-3084 | 2/2 Government specification standardization U.S. Government activity |
| SH-84STPA | 5/1 Secondary reference Rotor Clip Company, Inc. |
| 5100-84SPP | 5/1 Secondary reference Rotor Clip Company, Inc. |
| 3100-84-ST | 5/9 Secondary reference U.S. Government activity |
| 5100-84SPP | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| 2BA449 | 5/9 Secondary reference Oshkosh Corp |
| 3100-84-ST | 5/1 Secondary reference Rotor Clip Company, Inc. |
| 3100-84 | 5/9 Secondary reference U.S. Government activity |
| ISO-10-25 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-161-6150 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2920-01-175-7718. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-01-161-6150: Usage Design: EXTERNAL; Material Document and Classification: AISI 1060 ASSN STD 1ST MATERIAL RESPONSE AND AISI 1065 ASSN STD 2ND MATERIAL RESPONSE AND AISI 1070 ASSN STD 3RD MATERIAL RESPONSE AND AISI 1074 ASSN STD 4TH MATERIAL RESPONSE AND AISI 1078 ASSN STD 5TH MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.042 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.