The Pump,rotary, cataloged under National Stock Number 4320-01-504-9573, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Lincoln Electric Holdings Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-504-9573 |
| Primary Part Number | L11532-1B |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Lincoln Electric Holdings Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Operating Speed at Rated Capacity | 1725.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 0.375-18 NPT |
| Maximum Discharge Flow Rate | 1.66 GALLONS PER MINUTE |
| Discharge Connection Type | THREADED INTERNAL |
| Media for Which Designed | WATER, FRESH |
| Pump Rotation Direction | CLOCKWISE |
| Operation Method | MANUAL |
| 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 |
|---|---|
| L11532-1B PRIMARY | Lincoln Electric Holdings Inc (USA) |
| Reference | Meaning |
|---|---|
| L11532-1 | D/9 Drawing number reference only Lincoln Electric Holdings Inc |
NSN 4320-01-504-9573 is a Pump,rotary, manufactured by Lincoln Electric Holdings Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-504-9573 has 1 manufacturer part number on file: L11532-1B (Lincoln Electric Holdings Inc).
Key specifications for L11532-1B: Discharge Connection Quantity: 1; Operating Speed at Rated Capacity: 1725.0 REVOLUTIONS PER MINUTE; Discharge Connection Thread Size and Series/type Designator: 0.375-18 NPT; Special Features: BRASS BODY PUMP; 100 GPH CAPACITY; 60 PSI DISCHARGE PRESSURE; PLASTIC, SOLID (SS HSG SEAT) VALVE TYPE; 2.75 LBS. DRY WEIGHT; 3.25 SQ.IN. STRAINER AREA; 6 FT MAX. LIFT LBS. 8 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.