The Pump,rotary, cataloged under National Stock Number 4320-01-252-9422, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Windham Lifts Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-252-9422 |
| Primary Part Number | 11523 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Windham Lifts Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Operating Speed at Rated Capacity | 1200.0 REVOLUTIONS PER MINUTE |
| Intake Connection Thread Size and Series/type Designator | 0.500-13 UNIFIED NATIONAL COARSE (UNC) |
| Maximum Discharge Flow Rate | 15.0 GALLONS PER MINUTE |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Media for Which Designed | OIL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 11523 | Windham Lifts Inc (USA) |
| Reference | Meaning |
|---|---|
| 506000 | D/9 Drawing number reference only Vickers Inc |
| G20-2D15V1-B1A30 | 3/9 Design control — primary reference Vickers Inc |
NSN 4320-01-252-9422 is a Pump,rotary, manufactured by Windham Lifts Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-252-9422 has 1 manufacturer part number on file: 11523 (Windham Lifts Inc).
Key specifications for 11523: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Operating Speed at Rated Capacity: 1200.0 REVOLUTIONS PER MINUTE; Intake Connection Thread Size and Series/type Designator: 0.500-13 UNIFIED NATIONAL COARSE (UNC). 11 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.