Product Details | CHECK VALVE

4820-00-351-6701 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: H220T16TT, 4820-00-351-6701, 00-351-6701, 4820003516701, 003516701

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 31 MAR 1971 00-351-6701

Drawings & Photos | NSN 4820-00-351-6701


Demand History | NSN 4820-00-351-6701

Part Number Request Date QTY Origin
4820-00-351-6701 2021-12-344 2 Singapore
H220T16TT 2021-09-257 10 Singapore

Cross Reference | NSN 4820-00-351-6701

Part Number Cage Code Manufacturer
H220T16TT 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-00-351-6701

Characteristic Specifications
MATERIAL STEEL COMP 303SE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-764,TYPE 303SE-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP -100.0 DEG FAHRENHEIT 1ST RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE FLARED (TUBE) ALL ENDS
SEAT ANGLE 37.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATOR UN ALL ENDS
NOMINAL THREAD SIZE 1.312 INCHES ALL ENDS
THREAD QUANTITY PER INCH 12 ALL ENDS
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR
DISK LOADING METHOD SPRING

Restrictions/Controls & Freight Information | NSN 4820-00-351-6701

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.
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.
Category Code Description
No Freight Information