The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-263-3944, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Gas Tech, Inc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-263-3944 |
| Primary Part Number | 81-1001 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Gas Tech, Inc |
| Status | ACTIVE |
| Media for Which Designed | GAS |
| 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 |
|---|---|
| 81-1001 PRIMARY | Gas Tech, Inc (USA) |
NSN 4820-01-263-3944 is a Valve,calibrated Flow, manufactured by Gas Tech, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-263-3944 has 1 manufacturer part number on file: 81-1001 (Gas Tech, Inc).
Key specifications for 81-1001: Media for Which Designed: GAS. 1 specification is 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.