The Pump,rotary, cataloged under National Stock Number 4320-01-021-2018, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-021-2018 |
| Primary Part Number | 4893155 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 2 |
| Intake Connection Type | OVAL FLANGE |
| Pumping Element Operating Position | VERTICAL |
| Drive Shaft Length | 1.440 INCHES NOMINAL IN |
| Drive Connection Type | RIGID COUPLED |
| Operating Speed at Rated Capacity | 2700.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 0.562-18 UNF AND 1.062-12 UN |
| Drive Shaft Type | SPLINED, INVOLUTE EXTERNAL |
| Maximum Discharge Flow Rate | 3.0 GALLONS PER MINUTE |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| 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 4320-01-021-2018 is a Pump,rotary, manufactured by Kalmar AC Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-021-2018 has 2 manufacturer part numbers on file: 4893155 (Kalmar AC Inc), 4863488 (Kalmar AC Inc).
Key specifications for 4893155: Discharge Connection Quantity: 2; Intake Connection Type: OVAL FLANGE; Pumping Element Operating Position: VERTICAL; Drive Shaft Length: 1.440 INCHES NOMINAL IN. 15 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.