The Ring,wearing, cataloged under National Stock Number 4320-01-422-5599, 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 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-422-5599 |
| Primary Part Number | SNS-4265-30003 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Sims Pump Valve Co, Inc |
| Status | ACTIVE |
| Body Style | PLAIN |
| Body Outside Diameter | 11.368 INCHES NOMINAL IN |
| Body Inside Diameter | 10.472 INCHES NOMINAL 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 |
|---|---|
| SNS-4265 POS AB | Sims Pump Valve Co, Inc (USA) |
| SNS-4265-30003 PRIMARY | Sims Pump Valve Co, Inc (USA) |
NSN 4320-01-422-5599 is a Ring,wearing, manufactured by Sims Pump Valve Co, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-422-5599 has 2 manufacturer part numbers on file: SNS-4265 POS AB (Sims Pump Valve Co, Inc), SNS-4265-30003 (Sims Pump Valve Co, Inc).
Key specifications for SNS-4265-30003: Body Style: PLAIN; Body Outside Diameter: 11.368 INCHES NOMINAL IN; Body Inside Diameter: 10.472 INCHES NOMINAL IN; Special Features: PRESS FIT ATTACHMENT METHOD; CLEARANCE FROM CASING RING INSIDE DIAMETER TO WEARING RING OUTSIDE DIAMETER 0.050IN.; USED ON SIMS PUMP VALVE CO. INC., SIMSITE PUMP SERIES DG VAZ-300, SALT WATER SERVICE IN. 3 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.