The Adapter Stop Wrench, cataloged under National Stock Number 4820-01-723-2471, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Adapter Stop Wrench |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-723-2471 |
| Primary Part Number | 845-8543809-115 |
| Item Name | Adapter Stop Wrench |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| 845-8543809-115 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2644-785-01 | D/9 Drawing number reference only U.S. Government activity |
| 845-8543809 ITEM NO 115 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 2641-809-42 ITEM 98 | 5/2 Secondary reference U.S. Government activity |
| 8543809 REV B | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-723-2471 is a Adapter Stop Wrench, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-723-2471 has 1 manufacturer part number on file: 845-8543809-115 (Naval Sea Systems Command).
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.