The Plunger,quick Release, cataloged under National Stock Number 5340-00-929-1940, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-929-1940 |
| Primary Part Number | SSBH54N |
| Item Name | Plunger,quick Release |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier |
| Status | ACTIVE |
| Thread Length | 0.531 INCHES NOMINAL IN |
| Shape | ROUND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| End Pressure Rating | 12.000 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 |
|---|---|
| SSBH54N PRIMARY | Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier (USA) |
| 10178425-2 | Us Army Aviation and Missile Command (USA) |
| SSBH54-036-03 | Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier (USA) |
| Reference | Meaning |
|---|---|
| 74471353010 | 5/2 Secondary reference U.S. Government activity |
| 11241760-2 | 7/9 Vendor item drawing reference Ballistic Missile Defense Systems Command |
| 1213AS674 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| SSBN-54N | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-00-929-1940 is a Plunger,quick Release, manufactured by Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-929-1940 has 3 manufacturer part numbers on file: SSBH54N (Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier), 10178425-2 (Us Army Aviation and Missile Command), SSBH54-036-03 (Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-670-1577. Verify interchangeability with system specifications before substitution.
Key specifications for SSBH54N: Thread Length: 0.531 INCHES NOMINAL IN; Shape: ROUND; Overall Length: 0.566 INCHES NOMINAL IN; Nominal Thread Size: 0.250 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.