The Valve,gate, cataloged under National Stock Number 4820-00-074-0437, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 2 specifications, 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 | 4820-00-074-0437 |
| Primary Part Number | AV16A1255B |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| Status | ACTIVE |
| Valve Size | 3.000 INCHES IN |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| AV16A1255B PRIMARY | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
NSN 4820-00-074-0437 is a Valve,gate, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-074-0437 has 1 manufacturer part number on file: AV16A1255B (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S).
Key specifications for AV16A1255B: Valve Size: 3.000 INCHES IN; Special Features: VALVE FUEL SHUTOFF REMOTELY OPERATED MANUALLY;TWO INCHES IN APERTURE;USED IN THE C-141 AIRCRAFT FIRE EXTINGUISHING SYSTEM;OPEN AND CLOSE FUNCTION CONTROLLED BY LEVER OPERATED GATE;T.O. 1C-141B-4-5; End Item Identification: C-141 AIRCRAFT; Valve Operation Method: MANUAL. 2 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.