The Jackscrew,active Leaf, cataloged under National Stock Number 5342-01-219-0004, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-219-0004 |
| Item Name | Jackscrew,active Leaf |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL ROD 5.000 IN. LG,0.750 IN. DIA 10 UNC THREADS EXTENDING 4.000 IN. TO 45 DEG CHAMFER THAT REDUCES DIA TO 0.625 IN. FOR 0.510 IN. WHERE 30 DEG TAPER GOES 0.490 IN. TO END THAT IS 0.360 TO 0.355 IN. DIA; THIS END HAS CENTERED 0.188 IN. HOLE 0.812 DEEP WITH CHAMFER BORE 0.031 IN. BY 45 DEGS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 28471A0-1 | 3/9 Design control — primary reference Naval Shore Electronics Engineering Activity 9th Naval District |
| 0963-B-3 | 5/9 Secondary reference Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division |
NSN 5342-01-219-0004 is a Jackscrew,active Leaf, classified under FSC 5342, Hardware, Weapon System. Status: active.
Key specifications for 5342-01-219-0004: General Characteristics Item Description: STAINLESS STEEL ROD 5.000 IN. LG,0.750 IN. DIA 10 UNC THREADS EXTENDING 4.000 IN. TO 45 DEG CHAMFER THAT REDUCES DIA TO 0.625 IN. FOR 0.510 IN. WHERE 30 DEG TAPER GOES 0.490 IN. TO END THAT IS 0.360 TO 0.355 IN. DIA; THIS END HAS CENTERED 0.188 IN. HOLE 0.812 DEEP WITH CHAMFER BORE 0.031 IN. BY 45 DEGS IN. 1 specification is 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.