The Plate,thrust,jacking Device, cataloged under National Stock Number 4320-01-417-5290, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-417-5290 |
| Primary Part Number | 903-6339120 PIECE 5 |
| Item Name | Plate,thrust,jacking Device |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Relationship to Similar Equipment | SIMILAR TO THRUST PLATE P/N 903-6339120 PC 4 |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| General Characteristics Item Description | T-STEEL PER QQ-T570; 0.25" THICK; ROCKWELL HARDNESS 55-60 |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 903-6339120 PIECE 5 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6339120 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4320-01-417-5290 is a Plate,thrust,jacking Device, manufactured by Naval Sea Systems Command, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-417-5290 has 1 manufacturer part number on file: 903-6339120 PIECE 5 (Naval Sea Systems Command).
Key specifications for 903-6339120 PIECE 5: Relationship to Similar Equipment: SIMILAR TO THRUST PLATE P/N 903-6339120 PC 4; Overall Diameter: 3.000 INCHES NOMINAL IN; General Characteristics Item Description: T-STEEL PER QQ-T570; 0.25" THICK; ROCKWELL HARDNESS 55-60; Special Features: ITEM HAS A 0.861" DIA HOLE THRU THE CENTER AND EXTENDING "U" SHAPED TO THE CIRCUMFERENCE TO ACCOMMODATE A 0.5" PIPE; ITEM IS A THRUST PLATE WHICH FITS BETWEEN THE FEED NUT AND SOCKET WELD COUPLING OF A SOCKET WELD JACING DEVICE. 4 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.