The Plunger,quick Release, cataloged under National Stock Number 5340-01-559-1839, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Reid Supply Company. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-559-1839 |
| Primary Part Number | FR-50 |
| Item Name | Plunger,quick Release |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Reid Supply Company |
| Status | ACTIVE |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Nominal Thread Size | 0.500 INCHES IN |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| End Pressure Rating | 5.000 POUNDS NOMINAL LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| FR-50 PRIMARY | Reid Supply Company (USA) |
NSN 5340-01-559-1839 is a Plunger,quick Release, manufactured by Reid Supply Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-559-1839 has 1 manufacturer part number on file: FR-50 (Reid Supply Company).
Key specifications for FR-50: Thread Length: 1.250 INCHES NOMINAL IN; Overall Length: 2.860 INCHES NOMINAL IN; Nominal Thread Size: 0.500 INCHES IN; Special Features: HEX HEAD, HAND RETRACTABLE SPRINGPLUNGER WITH TUBULAR HANDLE, HANDLE LENGTH OF 1.000 INCHES, HANDLE DIAMETER OF 0.190 INCHES; WIDTH ACROSS FLATS OF0.500 INCHES AND NOSE DIAMETER OF 0.310 INCHES IN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.