The Ring,wearing, cataloged under National Stock Number 4320-01-505-0505, 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. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-505-0505 |
| Primary Part Number | 999-4213-F-06-68 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| 999-4213-F-06-68 | Carver Pump Company (USA) |
| 999-4213-E-11 ITEM 68 | Carver Pump Company (USA) |
| 999-4213-F-06 ITEM 68 | Carver Pump Company (USA) |
| 999-4213-E-11-68 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 999-4213-E-11 | D/9 Drawing number reference only Carver Pump Company |
| 068-1630005C201 | 3/9 Design control — primary reference Carver Pump Company |
| 068-1630005-201 | C/1 Advisory reference — outside the item-of-supply concept Carver Pump Company |
NSN 4320-01-505-0505 is a Ring,wearing, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-505-0505 has 4 manufacturer part numbers on file: 999-4213-F-06-68 (Carver Pump Company), 999-4213-E-11 ITEM 68 (Carver Pump Company), 999-4213-F-06 ITEM 68 (Carver Pump Company), 999-4213-E-11-68 (Carver Pump Company).
Key specifications for 999-4213-F-06-68: Material Document and Classification: ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE; Special Features: MANUFACTURERS ITEM NAME: SEAL SPACER; End Item Identification: CENTRIFUGAL PUMP; Material: STEEL COMP 316. 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.