The Valve-Hand,bypass, cataloged under National Stock Number 4820-01-644-7717, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Corken International Corp Sub of Hinderliter Industries Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Valve-Hand,bypass |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Corken International Corp Sub of Hinderliter Industries Inc (CAGE 34561) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-644-7717 |
| Primary Part Number | B166-1 |
| Item Name | Valve-Hand,bypass |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Corken International Corp Sub of Hinderliter Industries Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| B166-1 PRIMARY | Corken International Corp Sub of Hinderliter Industries Inc (USA) |
NSN 4820-01-644-7717 is a Valve-Hand,bypass, manufactured by Corken International Corp Sub of Hinderliter Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-644-7717 has 1 manufacturer part number on file: B166-1 (Corken International Corp Sub of Hinderliter Industries Inc).
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.