The Pump,rotary, cataloged under National Stock Number 4320-01-280-4095, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-280-4095 |
| Primary Part Number | D3EHCS-143 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Drive Shaft Length | 4.500 INCHES NOMINAL IN |
| Drive Connection Type | RIGID COUPLED |
| Unpackaged Unit Length | 13.812 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity | 3500.0 REVOLUTIONS PER MINUTE |
| Unpackaged Unit Width | 7.500 INCHES NOMINAL IN |
| Discharge Connection Thread Size and Series/type Designator | 1.500-11-1/2 NPT |
| Drive Shaft Type | KEY TYPE, EXTERNAL |
| Intake Connection Thread Size and Series/type Designator | 2.000-11-1/2 NPT |
| Discharge Pressure | 50.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 36.2 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 0.750 INCHES NOMINAL IN |
| Rotary Pump Design | SCREW |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Material | STEEL PUMP BASIC |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | CLOCKWISE |
| Mounting Type | FLANGE |
| 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 |
|---|---|
| D3EHCS-143 PRIMARY | Circor Pumps North America Llc (USA) |
NSN 4320-01-280-4095 is a Pump,rotary, manufactured by Circor Pumps North America Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-280-4095 has 1 manufacturer part number on file: D3EHCS-143 (Circor Pumps North America Llc).
Key specifications for D3EHCS-143: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Drive Shaft Length: 4.500 INCHES NOMINAL IN; Drive Connection Type: RIGID COUPLED. 21 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.