The Retainer,assembled Nut, cataloged under National Stock Number 5340-01-240-0838, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering and Manufacturing, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Item Name | Retainer,assembled Nut |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Ontic Engineering and Manufacturing, Inc. (CAGE 8G4X8) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-240-0838 |
| Primary Part Number | 46008 |
| Item Name | Retainer,assembled Nut |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ontic Engineering and Manufacturing, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 46008 PRIMARY | Ontic Engineering and Manufacturing, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 46008 | 5/9 Secondary reference Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
NSN 5340-01-240-0838 is a Retainer,assembled Nut, manufactured by Ontic Engineering and Manufacturing, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-240-0838 has 1 manufacturer part number on file: 46008 (Ontic Engineering and Manufacturing, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 3950-01-267-9430, 5905-01-399-2575. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.