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National Stock Number (NSN) 4820-01-081-7989 (4820010817989) Parts List

Item Name Disk Valve
Federal Supply Group (FSG) Valves
Federal Supply Class (FSC) 4820 Valves Nonpowered
National Item Identification Number (NIIN) 01-081-7989 (010817989)
NCB Code USA (01)
Manufacturer Eaton Aerospace Ltd
Part Number Manufacturer Item Name Cage Code RFQ
MC12590 eaton aerospace ltd disk valve 76050 RFQ

Technical Characteristics of NSN 4820010817989

MRCCriteriaCharacteristic
AARXINSIDE DIAMETER0.235 INCHES NOMINAL
AAZESHANK DIAMETER0.420 INCHES NOMINAL
ABKKFLANGE DIAMETER0.480 INCHES NOMINAL
ABKWOVERALL HEIGHT0.582 INCHES NOMINAL
AJRFFLANGE SEAT TO DISK END HEIGHT0.560 INCHES NOMINAL
CRRBSEAT ANGLE45.0 DEGREES NOMINAL
MATTIII MATERIALSTEEL CORROSION RESISTING AND RUBBER
STYLSTYLE DESIGNATORPOPPET

Relevant Components for NSN - 4820-01-081-7989, 4820010817989
4820-01-251-8295 (4820012518295) 4820-01-606-5732 (4820016065732) 4820-01-504-6136 (4820015046136) 4820-01-345-7050 (4820013457050)
4810-01-373-6377 (4810013736377) 4810-01-079-4456 (4810010794456) 4820-01-280-4146 (4820012804146) 4820-01-651-8515 (4820016518515)
4820-01-688-1777 (4820016881777) 4820-01-439-5575 (4820014395575) 4820-01-228-6731 (4820012286731) 4820-01-645-8483 (4820016458483)

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