The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-137-9690, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-137-9690 |
| Item Name | Pump Unit,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | ROUND FLANGE |
| Suction Lift | 10.000 FEET FT |
| Prime Mover Power Rating | 50.000 HORSEPOWER |
| Centrifugal Pump Impeller Quantity | 1 |
| Prime Mover Quantity | 1 |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Operating Speed at Rated Capacity | 2400.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Features Provided | SELF-PRIMING |
| Prime Mover Cooling Medium | WATER, FRESH |
| Nondefinitive Spec/std Data | 1 TYPE AND 90M SIZE AND ATERIAL A WEIGHT AND 4 CLASS AND B STYLE |
| Stage Quantity | 1 |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | DIESEL ENGINE |
| Media for Which Designed | WATER, FRESH |
| Operation Relationship Design | SIMULTANEOUS |
| Centrifugal Pump Design | RADIAL FLOW |
| Total Head | 60.000 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 |
| Reference | Meaning |
|---|---|
| 16A2DD | 3/1 Design control — primary reference The Gorman-Rupp Company Div Gorman-Rupp |
| MILP17861 | 4/1 Identification reference U.S. Government activity |
NSN 4320-00-137-9690 is a Pump Unit,centrifugal, classified under FSC 4320, Power and Hand Pumps. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4320-00-202-8296, 4320-00-267-4573, 4320-00-289-3683. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-00-137-9690: Discharge Connection Quantity: 1; Intake Connection Type: ROUND FLANGE; Suction Lift: 10.000 FEET FT; Prime Mover Power Rating: 50.000 HORSEPOWER. 20 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.