The Valve,stop-Check, cataloged under National Stock Number 4820-01-648-3672, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Subsalve Usa Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-648-3672 |
| Primary Part Number | 3R/1 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Subsalve Usa Llc |
| 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 |
|---|---|
| 3R/1 PRIMARY | Subsalve Usa Llc (USA) |
NSN 4820-01-648-3672 is a Valve,stop-Check, manufactured by Subsalve Usa Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-648-3672 has 1 manufacturer part number on file: 3R/1 (Subsalve Usa Llc).
Key specifications for 3R/1: Part Name Assigned by Controlling Agency: VALVE CLOSED; End Item Identification: 4220-01-642-9239; MARK V/ORCA MOD-1 BALLOON, UNDERWATER LIFTING;. 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.