The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-446-3416, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-446-3416 |
| Primary Part Number | 16783-1 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Phase | SINGLE |
| Frequency in Hertz | 40.0 |
| Voltage in Volts | 115.0 |
| Prime Mover Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Current Rating in Amps | 0.5 |
| 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 |
|---|---|
| 16783-1 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 16783-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-00-446-3416 is a Pump Unit,centrifugal, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-446-3416 has 1 manufacturer part number on file: 16783-1 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 16783-1: Phase: SINGLE; Frequency in Hertz: 40.0; Voltage in Volts: 115.0; Prime Mover Quantity: 1. 6 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.