The Base,pump, cataloged under National Stock Number 4320-01-428-4384, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Carver Pump Company. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Base,pump |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Mckenna Engineering & Equipment Company, Inc. (CAGE 0RJD4); Carver Pump Company (CAGE 10941) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-428-4384 |
| Primary Part Number | 023-1107001-173 |
| Item Name | Base,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 023-1107001-173 | Mckenna Engineering & Equipment Company, Inc. (USA) |
| 023-1107001-173 PRIMARY | Carver Pump Company (USA) |
| 999-1107-C-02 IT23 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 999-1107-C-02 | D/9 Drawing number reference only Carver Pump Company |
NSN 4320-01-428-4384 is a Base,pump, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-428-4384 has 3 manufacturer part numbers on file: 023-1107001-173 (Mckenna Engineering & Equipment Company, Inc.), 023-1107001-173 (Carver Pump Company), 999-1107-C-02 IT23 (Carver Pump Company).
4 possible matches (shared part number, not a government interchangeability claim): 4320-01-428-6373, 4730-01-428-6881, 4730-01-428-6882. 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.