The Sleeve,shaft,pump, cataloged under National Stock Number 4320-01-422-5603, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Sims Pump Valve Co, Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-422-5603 |
| Primary Part Number | SNS-4265 POS AA |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Sims Pump Valve Co, Inc |
| Status | ACTIVE |
| Body Outside Diameter | 3.1500 INCHES NOMINAL IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 2.3630 INCHES NOMINAL IN |
| Material | STEEL COMP 316 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 |
|---|---|
| SNS-4265 POS AA PRIMARY | Sims Pump Valve Co, Inc (USA) |
| Reference | Meaning |
|---|---|
| SNS-4265-30024 | 5/9 Secondary reference Sims Pump Valve Co, Inc |
NSN 4320-01-422-5603 is a Sleeve,shaft,pump, manufactured by Sims Pump Valve Co, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-422-5603 has 1 manufacturer part number on file: SNS-4265 POS AA (Sims Pump Valve Co, Inc).
Key specifications for SNS-4265 POS AA: Body Outside Diameter: 3.1500 INCHES NOMINAL IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Body Inside Diameter: 2.3630 INCHES NOMINAL IN; Special Features: USED ON SIMS PUMP VALVE CO.INC., SIMSITE PUMP SERIES DG VAZ-300, SALT WATER SERVICE. 4 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.