The Pump,rotary, cataloged under National Stock Number 4320-01-351-6534, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-351-6534 |
| Primary Part Number | 811-020-001 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots |
| Status | ACTIVE |
| Intake Connection Type | THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Maximum Discharge Flow Rate | 0.4 GALLONS PER MINUTE |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| 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 |
|---|---|
| 17K3/4 | Roper Industries Inc Roper Pump Co Div (USA) |
| 811-020-001 PRIMARY | Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA) |
| 2R435PC49 | Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA) |
| Reference | Meaning |
|---|---|
| 19AM005 SPEC7199 | 5/9 Secondary reference Roper Industries Inc Roper Pump Co Div |
| 10052 TYPE 1 | 5/9 Secondary reference Roper Industries Inc Roper Pump Co Div |
NSN 4320-01-351-6534 is a Pump,rotary, manufactured by Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-351-6534 has 3 manufacturer part numbers on file: 17K3/4 (Roper Industries Inc Roper Pump Co Div), 811-020-001 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots), 2R435PC49 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots).
Key specifications for 811-020-001: Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL; Maximum Discharge Flow Rate: 0.4 GALLONS PER MINUTE; End Item Identification: DEBALLAST AIR COMPRESSOR/BALLAST BLOWING AND VENTILATION AIR COMPRESSOR,DRESSER INDUSTRIES INC,ROOTS DIVISION. 5 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.