The Ring,wearing, cataloged under National Stock Number 4320-01-593-2893, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Carver Pump Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-593-2893 |
| Primary Part Number | 999-6517-A-001 REV R ITEM 7 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 999-6517-A-001 REV R ITEM 7 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 007-6517001-552 | C/1 Advisory reference — outside the item-of-supply concept Carver Pump Company |
| 007-6517001-550 | 3/9 Design control — primary reference Carver Pump Company |
| 007-6517A01-550 | 5/9 Secondary reference Carver Pump Company |
| US7-6517001-550 | 5/9 Secondary reference Carver Pump Company |
NSN 4320-01-593-2893 is a Ring,wearing, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-593-2893 has 1 manufacturer part number on file: 999-6517-A-001 REV R ITEM 7 (Carver Pump Company).
Key specifications for 999-6517-A-001 REV R ITEM 7: End Item Identification: MARINE CHILLED WATER SERVICE PUMP. 0 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.