The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-446-1735, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Weil Pump Co Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-446-1735 |
| Primary Part Number | 79453-007 |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Weil Pump Co Inc |
| Status | ACTIVE |
| Left Internal Flange Width | 0.5000 INCHES NOMINAL IN |
| Left Internal Flange Hole Diameter | 0.6880 INCHES NOMINAL IN |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Body Outside Diameter | 1.3650 INCHES NOMINAL IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END |
| Body Inside Diameter | 0.8750 INCHES NOMINAL IN |
| Antirotation/lubrication Type and Quantity | 1 HOLE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Keyway Dimension | 0.3750 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN |
| Keyway Dimension | 0.0940 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN |
| Hole Diameter | 0.1560 INCHES NOMINAL FIRST IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4320-00-446-1735 is a Sleeve,shaft,pump, manufactured by Weil Pump Co Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-446-1735 has 3 manufacturer part numbers on file: 79453-007 (Weil Pump Co Inc), A1443PC6 (Weil Pump Co Inc), X2585 (Weil Pump Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-620-7671. Verify interchangeability with system specifications before substitution.
Key specifications for 79453-007: Left Internal Flange Width: 0.5000 INCHES NOMINAL IN; Left Internal Flange Hole Diameter: 0.6880 INCHES NOMINAL IN; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 14 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.