The Pump,rotary, cataloged under National Stock Number 4320-01-503-7155, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Crane Carrier Company, Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-503-7155 |
| Primary Part Number | 253-337 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Crane Carrier Company, Llc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Drive Connection Type | GEAR |
| Operating Speed at Rated Capacity | 2500.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 1.062-12 UN |
| Intake Connection Thread Size and Series/type Designator | 1.625-12 UN |
| 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 |
| 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 |
NSN 4320-01-503-7155 is a Pump,rotary, manufactured by Crane Carrier Company, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-503-7155 has 2 manufacturer part numbers on file: A253-0337 (Crane Carrier Company, Llc), 253-337 (Crane Carrier Company, Llc).
Key specifications for 253-337: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Drive Connection Type: GEAR; Operating Speed at Rated Capacity: 2500.0 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.