The Pump,reciprocating, cataloged under National Stock Number 4320-01-023-3149, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-023-3149 |
| Primary Part Number | K2405-1-4-6 |
| Item Name | Pump,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Essex Industries, Inc. Dba Essex Industries |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | PISTON |
| Intake Connection Type | THREADED EXTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 12.880 INCHES NOMINAL IN |
| Drive Connection Type | CLOSE COUPLED |
| Reciprocating Stroke Type | FIXED |
| Pump Reciprocating Design | SINGLE ACTING |
| Control Location | CENTER |
| Discharge Connection Thread Size and Series/type Designator | 0.250-18 NPT |
| Drive Shaft Type | THREADED |
| Intake Connection Thread Size and Series/type Designator | 0.250-18 NPT |
| Volume Control Type | PUSH-PULL |
| Cylinder Quantity | 1 |
| Discharge Connection Type | THREADED EXTERNAL |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| 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 |
|---|---|
| K2405-1-4-6 PRIMARY | Essex Industries, Inc. Dba Essex Industries (USA) |
| Reference | Meaning |
|---|---|
| GP512AD1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 4320-01-023-3149 is a Pump,reciprocating, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-023-3149 has 1 manufacturer part number on file: K2405-1-4-6 (Essex Industries, Inc. Dba Essex Industries).
Key specifications for K2405-1-4-6: Discharge Connection Quantity: 1; Pumping Element Type: PISTON; Intake Connection Type: THREADED EXTERNAL; Pumping Element Operating Position: HORIZONTAL. 18 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.