The Ram,third Stage, cataloged under National Stock Number 4320-00-205-4792, 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. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-205-4792 |
| Primary Part Number | 4920-4 |
| Item Name | Ram,third Stage |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF BAR,ROUND STEEL PER MIL-S-6758,TUBE SEAMLESS STEELPER MIL-T-6736,5.000 IN. LG,2.361 IN. DIA IN |
| 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 |
|---|---|
| 4920-4 | Columbus Jack Corporation Div Columbus Jack (USA) |
| Reference | Meaning |
|---|---|
| 4920-4 | 5/9 Secondary reference Dutch Valley Supply Co. |
| 4920-4 | 3/2 Design control — primary reference U.S. Government activity |
| 4920-4 | 3/9 Design control — primary reference Age Logistics Corporation |
NSN 4320-00-205-4792 is a Ram,third Stage, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-205-4792 has 1 manufacturer part number on file: 4920-4 (Columbus Jack Corporation Div Columbus Jack).
1 possible match (shared part number, not a government interchangeability claim): 5950-00-519-4491. Verify interchangeability with system specifications before substitution.
Key specifications for 4920-4: General Characteristics Item Description: CONSISTS OF BAR,ROUND STEEL PER MIL-S-6758,TUBE SEAMLESS STEELPER MIL-T-6736,5.000 IN. LG,2.361 IN. DIA IN; End Item Identification: GRUMMAN AEROSPACE CORP A10 AIRCRAFT. 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.