The Ring,retaining, cataloged under National Stock Number 5325-00-765-0155, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Fisica Applied Technologies, Inc. Div Randtron Antenna Systems. Government technical data includes 1 specification, 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. 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 | 5325-00-765-0155 |
| Primary Part Number | 78937 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems |
| Status | ACTIVE |
| Casehardening Indicator | NOT CASEHARDENED |
| 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 |
|---|---|
| 78937 PRIMARY | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems (USA) |
NSN 5325-00-765-0155 is a Ring,retaining, manufactured by Fisica Applied Technologies, Inc. Div Randtron Antenna Systems, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-765-0155 has 1 manufacturer part number on file: 78937 (Fisica Applied Technologies, Inc. Div Randtron Antenna Systems).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-156-5280. Verify interchangeability with system specifications before substitution.
Key specifications for 78937: Casehardening Indicator: NOT CASEHARDENED. 1 specification is 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.