The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-398-8535, 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 6 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-398-8535 |
| Primary Part Number | 174875B |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 2.2500 INCHES NOMINAL IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 1.8750 INCHES NOMINAL IN |
| Material | NICKEL ALLOY OVERALL |
| Keyway Dimension | 0.1880 INCHES NOMINAL INTERNAL KEYWAY WIDTH 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 |
|---|---|
| 174875B PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SL5318PC43 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SL4381PC43 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SL4379PC43 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SL5320PC43 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 2282P PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| SL5320PC43 | 5/9 Secondary reference U.S. Government activity |
| SL5318PC43 | 5/9 Secondary reference U.S. Government activity |
| 174875B | 5/9 Secondary reference U.S. Government activity |
| SL4381PC43 | 5/9 Secondary reference U.S. Government activity |
| 2282P | 5/9 Secondary reference U.S. Government activity |
| SL4379PC43 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-00-398-8535 is a Sleeve,shaft,pump, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-398-8535 has 6 manufacturer part numbers on file: 174875B (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL5318PC43 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL4381PC43 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL4379PC43 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL5320PC43 (Curtiss-Wright Electro-Mechanical Corporation Div Epd) and 1 more.
Key specifications for 174875B: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 2.2500 INCHES NOMINAL IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 4.0000 INCHES NOMINAL IN. 6 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.