The Ring,retaining, cataloged under National Stock Number 5325-01-194-7170, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-194-7170 |
| Primary Part Number | 0510-1148 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Outside Diameter | 0.174 INCHES NOMINAL IN |
| Inside Diameter | 0.140 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| 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 |
|---|---|
| 0510-1148 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 0510-1148 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| C4154-017-27 | 5/9 Secondary reference Tinnerman Palnut Engineered Products, Inc. |
| 0510-1148 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5325-01-194-7170 is a Ring,retaining, manufactured by Keysight Technologies Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-194-7170 has 1 manufacturer part number on file: 0510-1148 (Keysight Technologies Inc).
Key specifications for 0510-1148: Outside Diameter: 0.174 INCHES NOMINAL IN; Inside Diameter: 0.140 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED; Material: STEEL. 4 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.