The Plunger,quick Release, cataloged under National Stock Number 5340-01-439-1230, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sci Technology, Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-439-1230 |
| Primary Part Number | 019406-102 |
| Item Name | Plunger,quick Release |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sci Technology, Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.190 INCHES NOMINAL IN |
| Thread Length | 0.469 INCHES NOMINAL IN |
| Shape | ROUND |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 302 SPRING |
| Material | STEEL COMP 303 BODY |
| Thread Series Designator | UNF |
| End Pressure Rating | 1.750 POUNDS MINIMUM AND 6.250 POUNDS MAXIMUM LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 019406-102 | Sci Technology, Inc (USA) |
| Reference | Meaning |
|---|---|
| CL-31-SSPN-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-439-1230 is a Plunger,quick Release, manufactured by Sci Technology, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-439-1230 has 1 manufacturer part number on file: 019406-102 (Sci Technology, Inc).
Key specifications for 019406-102: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.190 INCHES NOMINAL IN; Thread Length: 0.469 INCHES NOMINAL IN; Shape: ROUND. 13 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.