Product Details | CHECK VALVE

4820-01-166-0997 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: CYLB 50637-1, CYLB506371, 4820-01-166-0997, 01-166-0997, 4820011660997, 011660997

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 08 NOV 1983 01-166-0997

Drawings & Photos | NSN 4820-01-166-0997


Cross Reference | NSN 4820-01-166-0997

Part Number Cage Code Manufacturer
CYLB 50637-1 05624 GE AVIATION SYSTEMS LLC DBA GE AVIATION

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Technical Data | NSN 4820-01-166-0997

Characteristic Specifications
MATERIAL ALUMINUM BODY
STYLE DESIGNATOR A6 STRAIGHT THRU
VALVE SIZE 2.500 INCHES
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 10.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 300.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
DISK LOADING METHOD SPRING
MOUNTING FACILITY BRACKET
MANUFACTURERS CODE 05624
DESIGN CONTROL REFERENCE CYLB 50637-1

Restrictions/Controls & Freight Information | NSN 4820-01-166-0997

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature 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
No Freight Information