The Pump,rotary, cataloged under National Stock Number 4320-01-445-1600, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 15 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. 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 | 4320-01-445-1600 |
| Primary Part Number | 1001884 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Operating Speed at Rated Capacity | 3000.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 0.750-14 NPTF |
| Intake Connection Thread Size and Series/type Designator | 0.750-14 NPTF |
| Discharge Pressure | 75.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Maximum Discharge Flow Rate | 9.6 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 | CLOCKWISE AND COUNTERCLOCKWISE |
| Mounting Type | BASE |
| 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 |
|---|---|
| 1001884 PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
NSN 4320-01-445-1600 is a Pump,rotary, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-445-1600 has 1 manufacturer part number on file: 1001884 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-524-7600. Verify interchangeability with system specifications before substitution.
Key specifications for 1001884: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL; Operating Speed at Rated Capacity: 3000.0 REVOLUTIONS PER MINUTE. 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.