The Ring,retaining, cataloged under National Stock Number 5325-00-099-4274, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Ring,retaining |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited (CAGE U0J60); Transaero, Inc. (CAGE 27541); Goodrich Corporation (CAGE 3CTT2); Goodrich Limited Div Goodrich Ltd (CAGE K0131); Goodrich Corporation (CAGE 3TAH8) |
| Parameter | Value |
|---|---|
| NSN | 5325-00-099-4274 |
| Primary Part Number | N178378-50 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| N178378-50 | Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited (GBR) |
| N178378-50 | Transaero, Inc. (USA) |
| N178378-50 | Goodrich Corporation (USA) |
| N178378-50 | Goodrich Limited Div Goodrich Ltd (GBR) |
| N178378-50 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| N178378-50 | 3/9 Design control — primary reference Safran Electrical & Power Uk Limited |
| N178378-50 | 5/9 Secondary reference Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
NSN 5325-00-099-4274 is a Ring,retaining, manufactured by Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-099-4274 has 5 manufacturer part numbers on file: N178378-50 (Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited), N178378-50 (Transaero, Inc.), N178378-50 (Goodrich Corporation), N178378-50 (Goodrich Limited Div Goodrich Ltd), N178378-50 (Goodrich Corporation).
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.