The Pump,rotary, cataloged under National Stock Number 4320-01-442-5035, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Fenner Fluid Power Inc. Government technical data includes 10 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-442-5035 |
| Primary Part Number | PS-2.0 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Fenner Fluid Power Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 1.115 INCHES NOMINAL IN |
| Drive Connection Type | RIGID COUPLED |
| Drive Shaft Type | SPLINED, INVOLUTE EXTERNAL |
| Drive Shaft End Diameter | 0.500 INCHES NOMINAL IN |
| Rotary Pump Design | GEAR |
| 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 |
| Part Number | Manufacturer |
|---|---|
| PS-2.0 PRIMARY | Fenner Fluid Power Inc (USA) |
NSN 4320-01-442-5035 is a Pump,rotary, manufactured by Fenner Fluid Power Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-442-5035 has 1 manufacturer part number on file: PS-2.0 (Fenner Fluid Power Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5510-01-570-6526, 4730-01-673-8159, 6130-01-687-8155. Verify interchangeability with system specifications before substitution.
Key specifications for PS-2.0: Discharge Connection Quantity: 1; Pumping Element Operating Position: HORIZONTAL; Drive Shaft Length: 1.115 INCHES NOMINAL IN; Drive Connection Type: RIGID COUPLED. 10 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.