Product Details | CHECK VALVE

4820-00-951-0181 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: 249B16PP1, 259B16PP, 5150237, 515-0237, 64A92C885, 4820-00-951-0181, 00-951-0181, 4820009510181, 009510181

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 MAY 1966 00-951-0181

Drawings & Photos | NSN 4820-00-951-0181


Demand History | NSN 4820-00-951-0181

Part Number Request Date QTY Origin
4820-00-951-0181 2018-02-32 1 DIBBS

Cross Reference | NSN 4820-00-951-0181

Part Number Cage Code Manufacturer
249B16PP1 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
259B16PP 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
515-0237 65459 LANDOLL CORPORATION
64A92C885 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 4820-00-951-0181

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
STYLE DESIGNATOR A3 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 300.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B9 PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 2.000 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
SPECIAL FEATURES STOP CHECK TYPE
MANUFACTURERS CODE 10001
MFR SOURCE CONTROLLING REFERENCE 64A92C885

Restrictions/Controls & Freight Information | NSN 4820-00-951-0181

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information