The Plunger,quick Release, cataloged under National Stock Number 5340-00-900-4444, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-900-4444 |
| Primary Part Number | S48A |
| Item Name | Plunger,quick Release |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier |
| Status | ACTIVE |
| Thread Length | 0.380 INCHES NOMINAL IN |
| Shape | ROUND |
| Nominal Thread Size | 0.183 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| End Pressure Rating | 1.300 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 |
|---|---|
| S48A PRIMARY | Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier (USA) |
| Reference | Meaning |
|---|---|
| 350353 | 5/9 Secondary reference Northrop Grumman Corp Electronic Systems Defensive System Div |
| 837868 | 5/9 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament |
| 60716203-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-00-900-4444 is a Plunger,quick Release, manufactured by Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-900-4444 has 1 manufacturer part number on file: S48A (Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier).
3 possible matches (shared part number, not a government interchangeability claim): 6625-00-946-6984, 1240-01-050-6402, 5305-01-685-2509. Verify interchangeability with system specifications before substitution.
Key specifications for S48A: Thread Length: 0.380 INCHES NOMINAL IN; Shape: ROUND; Overall Length: 0.442 INCHES NOMINAL IN; Nominal Thread Size: 0.183 INCHES IN. 6 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.