The Ring,wearing, cataloged under National Stock Number 4320-01-202-1840, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-202-1840 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| 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 |
| Reference | Meaning |
|---|---|
| 517-2299514 PC3 | 3/2 Design control — primary reference U.S. Government activity |
| C57 INC0NEL625 | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
| 654E0042 INC0NE | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
NSN 4320-01-202-1840 is a Ring,wearing, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-202-1840: End Item Identification: VARIOUS SUBMARINE PUMPS. 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.