The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-317-0689, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Eci Defense Group, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-317-0689 |
| Primary Part Number | NA1644 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Eci Defense Group, Inc. |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | ROUND FLANGE |
| Pumping Element Operating Position | HORIZONTAL |
| Operating Speed at Rated Capacity | 3600.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Discharge Pressure | 0.0 LOW VOLATILE ORGANIC COMPOUND - SOLVENTS - SOLVENTS |
| Maximum Discharge Flow Rate | 900.0 GALLONS PER MINUTE |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | WATER, FRESH |
| Total Head | 161.700 FEET FT |
| 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 |
|---|---|
| NA1644 | Eci Defense Group, Inc. (USA) |
| Reference | Meaning |
|---|---|
| NA1644 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-01-317-0689 is a Pump Unit,centrifugal, manufactured by Eci Defense Group, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-317-0689 has 1 manufacturer part number on file: NA1644 (Eci Defense Group, Inc.).
Key specifications for NA1644: Discharge Connection Quantity: 1; Intake Connection Type: ROUND FLANGE; Pumping Element Operating Position: HORIZONTAL; Operating Speed at Rated Capacity: 3600.0 REVOLUTIONS PER MINUTE. 12 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.