The Sleeve,shaft,pump, cataloged under National Stock Number 4320-01-052-3418, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Evac North America Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-052-3418 |
| Primary Part Number | 2502673-004 |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Evac North America Inc |
| Status | ACTIVE |
| Corner Shape | CHAMFERED ALL CORNERS |
| Body Outside Diameter | 1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Features Provided | CASEHARDENED |
| Body Inside Diameter | 1.1235 INCHES MINIMUM AND 1.1240 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 2502673-004 PRIMARY | Evac North America Inc (USA) |
| Reference | Meaning |
|---|---|
| 2502673-004 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
NSN 4320-01-052-3418 is a Sleeve,shaft,pump, manufactured by Evac North America Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-052-3418 has 1 manufacturer part number on file: 2502673-004 (Evac North America Inc).
Key specifications for 2502673-004: Corner Shape: CHAMFERED ALL CORNERS; Body Outside Diameter: 1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 3.1500 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.