The Ring,wearing, cataloged under National Stock Number 4320-01-340-5210, 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 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-340-5210 |
| Primary Part Number | 723-0188-000 PIECE 5 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Corner Shape | ROUND ALL CORNERS |
| Body Style | PLAIN |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 723-0188-000 PIECE 5 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 676-1548-235 | 3/9 Design control — primary reference Aurora Pump a Unit of General Signal Corp |
| 723-0188-000 | D/9 Drawing number reference only Aurora Pump a Unit of General Signal Corp |
| 723-0188-000 PIECE 5 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 723-0188-000 PC | C/1 Advisory reference — outside the item-of-supply concept Aurora Pump a Unit of General Signal Corp |
NSN 4320-01-340-5210 is a Ring,wearing, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-340-5210 has 1 manufacturer part number on file: 723-0188-000 PIECE 5 (Carver Pump Company).
Key specifications for 723-0188-000 PIECE 5: Corner Shape: ROUND ALL CORNERS; Body Style: PLAIN; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE; End Item Identification: AURORA PUMP,PUMP MODEL 321 SIZE 1X1-1/4X6. 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.