The Plunger,quick Release, cataloged under National Stock Number 5340-00-680-3837, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-680-3837 |
| Primary Part Number | 51925 |
| Item Name | Plunger,quick Release |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| FSC Application Data | RADAR SET |
| Thread Length | 0.3125 INCHES NOMINAL IN |
| Shape | ROUND |
| Nominal Thread Size | 0.4375 INCHES IN |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UN |
| End Pressure Rating | 1.200 POUNDS NOMINAL LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 51925 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| 51925 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
NSN 5340-00-680-3837 is a Plunger,quick Release, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-680-3837 has 1 manufacturer part number on file: 51925 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-473-9184. Verify interchangeability with system specifications before substitution.
Key specifications for 51925: FSC Application Data: RADAR SET; Thread Length: 0.3125 INCHES NOMINAL IN; Shape: ROUND; Overall Length: 2.3437 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
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.