The Pump Subassembly,centrifugal, cataloged under National Stock Number 4320-01-229-3341, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-229-3341 |
| Primary Part Number | 4X13B184X1 |
| Item Name | Pump Subassembly,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Major Components | IMPELLER 1; IMPELLER NUT 1; IMPELLER KEY 1; SHAFT WASHER 1; O-RING 1; COTTER PIN 1; DRIVE LOCK PIN 1; MECHANICAL SEAL ASSY 1; CASING RING 1; SET SCREW 3 |
| Overall Diameter | 13.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4X13B184X1 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 4X13B184X1 | 3/9 Design control — primary reference U.S. Government activity |
| F-4X13B184X1 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-01-229-3341 is a Pump Subassembly,centrifugal, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-229-3341 has 1 manufacturer part number on file: 4X13B184X1 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 4X13B184X1: Major Components: IMPELLER 1; IMPELLER NUT 1; IMPELLER KEY 1; SHAFT WASHER 1; O-RING 1; COTTER PIN 1; DRIVE LOCK PIN 1; MECHANICAL SEAL ASSY 1; CASING RING 1; SET SCREW 3; Overall Diameter: 13.000 INCHES NOMINAL IN; End Item Identification: INGERSOL-RAND MODEL 4X13B CENTRIFUGAL PUMP. 2 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.