The Pump Unit,rotary, cataloged under National Stock Number 4320-01-421-0052, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-421-0052 |
| Primary Part Number | 026-31259-000 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Pump Quantity | 1 |
| Discharge Connection Thread Size and Series/type Designator | 0.875-14 UNF |
| Intake Connection Thread Size and Series/type Designator | 0.875-14 UNF |
| Volume Control Type | ROTARY |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| 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 |
|---|---|
| 026-31259-000 | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| N-1031-D | 3/9 Design control — primary reference Tuthill Corporation Dba Tuthill Pump Group |
NSN 4320-01-421-0052 is a Pump Unit,rotary, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-421-0052 has 1 manufacturer part number on file: 026-31259-000 (Johnson Controls Navy Systems, Llc).
Key specifications for 026-31259-000: Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL; Pump Quantity: 1. 10 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.