The Plunger,quick Release, cataloged under National Stock Number 5340-01-179-9975, 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 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-179-9975 |
| Primary Part Number | NS-57 |
| Item Name | Plunger,quick Release |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier |
| Status | ACTIVE |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| NS-57 PRIMARY | Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier (USA) |
| 13084305 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 13084305 | 5/9 Secondary reference Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah |
NSN 5340-01-179-9975 is a Plunger,quick Release, manufactured by Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-179-9975 has 2 manufacturer part numbers on file: NS-57 (Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier), 13084305 (Lockheed Martin Corporation).
Key specifications for NS-57: Thread Length: 1.000 INCHES NOMINAL IN; Overall Length: 1.187 INCHES NOMINAL IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 2 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.