The Ram,jack,first Stage, cataloged under National Stock Number 4320-01-042-4718, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ram,jack,first Stage |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Columbus Jack Corporation Div Columbus Jack (CAGE 00994) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-042-4718 |
| Primary Part Number | 8704-2 |
| Item Name | Ram,jack,first Stage |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| 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 |
|---|---|
| 8704-2 PRIMARY | Columbus Jack Corporation Div Columbus Jack (USA) |
| Reference | Meaning |
|---|---|
| 8704-2 | 5/9 Secondary reference Age Logistics Corporation |
NSN 4320-01-042-4718 is a Ram,jack,first Stage, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-042-4718 has 1 manufacturer part number on file: 8704-2 (Columbus Jack Corporation Div Columbus Jack).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-273-3076, 5945-01-419-1060. Verify interchangeability with system specifications before substitution.
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.