The Pump,rotary, cataloged under National Stock Number 4320-01-075-5732, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Komatsu America Corporation. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-075-5732 |
| Primary Part Number | 140447 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Komatsu America Corporation |
| Status | ACTIVE |
| Discharge Connection Quantity | 2 |
| Intake Connection Type | ROUND FLANGE AND THREADED INTERNAL |
| Operating Speed at Rated Capacity | 2200.0 REVOLUTIONS PER MINUTE AND 2000.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 0.875-14 UNF |
| Intake Connection Thread Size and Series/type Designator | 1.312-12 UNF |
| Discharge Pressure | 050.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 38.0 GALLONS PER MINUTE AND 8.0 GALLONS PER MINUTE |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | ROUND FLANGE AND THREADED INTERNAL |
| Intake Connection Quantity | 2 |
| Pump Rotation Direction | CLOCKWISE |
| Operation Method | POWERED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4320-01-075-5732 is a Pump,rotary, manufactured by Komatsu America Corporation, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-075-5732 has 2 manufacturer part numbers on file: 73249A (Komatsu America Corporation), 140447 (Komatsu America Corporation).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-668-9186. Verify interchangeability with system specifications before substitution.
Key specifications for 140447: Discharge Connection Quantity: 2; Intake Connection Type: ROUND FLANGE AND THREADED INTERNAL; Operating Speed at Rated Capacity: 2200.0 REVOLUTIONS PER MINUTE AND 2000.0 REVOLUTIONS PER MINUTE; Discharge Connection Thread Size and Series/type Designator: 0.875-14 UNF. 12 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.