The Valve,gate, cataloged under National Stock Number 4820-01-121-9741, 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 18 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 | 4820-01-121-9741 |
| Primary Part Number | AV16A1378 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | PLAIN |
| Maximum Operating Temp and Media for Which Designed | 200.0 FAHRENHEIT WATER, SALT DEGF |
| Operating Pressure and Type | 240.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | RISING |
| Connection Type | FLANGE, RECTANGULAR W/HOLES |
| Valve Size | 1.250 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Bolt Hole Quantity | 4 |
| Bonnet Attachment Method | THREADED |
| Flange Width | 2.188 INCHES IN |
| Face to Face Distance | 1.378 INCHES IN |
| Material | ALUMINUM ALLOY STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Material | ALUMINUM ALLOY A356.0 BODY |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR DISK |
| Valve Operation Method | MANUAL |
| Flange Length | 2.188 INCHES IN |
| 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 |
|---|---|
| AV16A1378 PRIMARY | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
NSN 4820-01-121-9741 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 4820-01-121-9741 has 1 manufacturer part number on file: AV16A1378 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S).
Key specifications for AV16A1378: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Maximum Operating Temp and Media for Which Designed: 200.0 FAHRENHEIT WATER, SALT DEGF; Operating Pressure and Type: 240.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. 18 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.