The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-104-8779, 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 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-00-104-8779 |
| Primary Part Number | 27490PA |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Left Internal Flange Width | 0.1250 INCHES NOMINAL IN |
| Left Internal Flange Hole Diameter | 0.6250 INCHES NOMINAL IN |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Flange Outside Diameter | 1.3750 INCHES NOMINAL IN |
| Body Outside Diameter | 1.2500 INCHES NOMINAL IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END |
| Body Inside Diameter | 1.0312 INCHES NOMINAL IN |
| Lubricant Accommodation Style | GROOVED CIRCULAR |
| Flange Width | 3.0312 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Surface Groove Location and Quantity | 1 INTERNAL |
| Keyway Dimension | 0.0937 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN |
| Keyway Dimension | 0.6875 INCHES NOMINAL INTERNAL KEYWAY LENGTH 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 |
|---|---|
| 27490PA PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| A8110-10 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 27490PA | 3/9 Design control — primary reference U.S. Government activity |
| A8110-10 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-00-104-8779 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 4320-00-104-8779 has 2 manufacturer part numbers on file: 27490PA (Curtiss-Wright Electro-Mechanical Corporation Div Epd), A8110-10 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 27490PA: Left Internal Flange Width: 0.1250 INCHES NOMINAL IN; Left Internal Flange Hole Diameter: 0.6250 INCHES NOMINAL IN; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER. 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.