The Pump,rotary, cataloged under National Stock Number 4320-01-346-3975, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Environmental Systems Llc Dba Environmental Systems Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-346-3975 |
| Primary Part Number | 1L4-SSF-ABB |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Environmental Systems Llc Dba Environmental Systems Llc |
| Status | ACTIVE |
| Operating Speed at Rated Capacity | 1725.0 REVOLUTIONS PER MINUTE |
| Discharge Pressure | 6.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Maximum Discharge Flow Rate | 12.0 GALLONS PER MINUTE |
| 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 |
|---|---|
| 1L4-SSF-ABB PRIMARY | Environmental Systems Llc Dba Environmental Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 1L4-SSF-ABB | 3/9 Design control — primary reference Robbins and Myers Inc Fluids Handling Group |
NSN 4320-01-346-3975 is a Pump,rotary, manufactured by Environmental Systems Llc Dba Environmental Systems Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-346-3975 has 1 manufacturer part number on file: 1L4-SSF-ABB (Environmental Systems Llc Dba Environmental Systems Llc).
Key specifications for 1L4-SSF-ABB: Operating Speed at Rated Capacity: 1725.0 REVOLUTIONS PER MINUTE; Discharge Pressure: 6.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME; Maximum Discharge Flow Rate: 12.0 GALLONS PER MINUTE; Operation Method: POWERED. 4 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.