The Ring,wearing, cataloged under National Stock Number 4320-00-459-6284, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Grundfos Cbs, Inc Dba Paco Pumps. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-459-6284 |
| Primary Part Number | SD4665 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Grundfos Cbs, Inc Dba Paco Pumps |
| Status | ACTIVE |
| Body Outside Diameter | 5.000 INCHES NOMINAL IN |
| Body Inside Diameter | 2.500 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 |
|---|---|
| SD4665 PRIMARY | Grundfos Cbs, Inc Dba Paco Pumps (USA) |
| Reference | Meaning |
|---|---|
| 64B4665 | 5/9 Secondary reference Grundfos Cbs, Inc Dba Paco Pumps |
| NB9S9FC5349APC64B | 5/9 Secondary reference Grundfos Cbs, Inc Dba Paco Pumps |
NSN 4320-00-459-6284 is a Ring,wearing, manufactured by Grundfos Cbs, Inc Dba Paco Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-459-6284 has 1 manufacturer part number on file: SD4665 (Grundfos Cbs, Inc Dba Paco Pumps).
Key specifications for SD4665: Body Outside Diameter: 5.000 INCHES NOMINAL IN; Overall Length: 0.875 INCHES NOMINAL IN; Body Inside Diameter: 2.500 INCHES NOMINAL IN; Special Features: LEFT HAND. 2 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.