The Pump,axial Pistons, cataloged under National Stock Number 4320-01-138-1964, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Hartmann Controls, Inc Div Hartmann Controls. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-138-1964 |
| Primary Part Number | 37458-1 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Hartmann Controls, Inc Div Hartmann Controls |
| Status | ACTIVE |
| Reciprocating Stroke Type | VARIABLE |
| Discharge Pressure | 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS |
| Maximum Discharge Flow Rate | 25.0 GALLONS PER MINUTE |
| 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 |
|---|---|
| 37458-1 PRIMARY | Hartmann Controls, Inc Div Hartmann Controls (USA) |
| Reference | Meaning |
|---|---|
| PV3200R-37458-1 | 5/9 Secondary reference Hartmann Controls, Inc Div Hartmann Controls |
| PV320R-37458-1 | C/1 Advisory reference — outside the item-of-supply concept Collins Engine Nozzles, Inc |
| PV3200R | C/1 Advisory reference — outside the item-of-supply concept Collins Engine Nozzles, Inc |
| PV3200R-37458-1 | 5/9 Secondary reference Collins Engine Nozzles, Inc |
| 37458-1 | 5/9 Secondary reference Collins Engine Nozzles, Inc |
NSN 4320-01-138-1964 is a Pump,axial Pistons, manufactured by Hartmann Controls, Inc Div Hartmann Controls, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-138-1964 has 1 manufacturer part number on file: 37458-1 (Hartmann Controls, Inc Div Hartmann Controls).
Key specifications for 37458-1: Reciprocating Stroke Type: VARIABLE; Discharge Pressure: 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS; Maximum Discharge Flow Rate: 25.0 GALLONS PER MINUTE. 3 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.