Product Details | GATE VALVE

4820-00-931-7791 A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: P1812, P181-2, 4820-00-931-7791, 00-931-7791, 4820009317791, 009317791

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 23 SEP 1966 00-931-7791

Cross Reference | NSN 4820-00-931-7791

Part Number Cage Code Manufacturer
P181-2 99251 CARLETON LIFE SUPPORT SYSTEMS INC. DBA COBHAM MISSION SYSTEM

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Technical Data | NSN 4820-00-931-7791

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY SEAT COPPER ALLOY STEM COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE DISK
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED 200.0 POUNDS PER SQUARE INCH OXYGEN, GASEOUS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED 200.0 DEG FAHRENHEIT OXYGEN, GASEOUS
VALVE OPERATION METHOD MANUAL
NOMINAL PIPE SIZE ACCOMMODATED 0.125 INCHES
THREAD SERIES DESIGNATOR NPT
NOMINAL THREAD SIZE 0.125 INCHES
THREAD QUANTITY PER INCH 27
STEM TYPE RISING
BONNET ATTACHMENT METHOD THREADED
FEATURES PROVIDED BONNET PACKING
SPECIAL FEATURES CLEAN FOR OXYGEN USE
CRITICALITY CODE JUSTIFICATION FEAT
MANUFACTURERS CODE 99251
DESIGN CONTROL REFERENCE P181-2

Restrictions/Controls & Freight Information | NSN 4820-00-931-7791

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating Q 70
Less than truck load rating W Rating Variable
Water commodity Code 736 unknown
Originating Activity Code ZG Germany
ZH
ZJ
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable