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Complete Listing of NSN (4820003979527) Parts 4820-00-397-9527

Item Name Seat Valve
Federal Supply Group (FSG) Valves
Federal Supply Class (FSC) 4820 Valves Nonpowered
National Item Identification Number (NIIN) 00-397-9527 (003979527)
NCB Code USA (00)
Manufacturer Textron Lycoming Inc
Part Number Manufacturer Item Name Cage Code RFQ
60645P20 textron lycoming inc seat valve 80254 RFQ
61258P20 textron lycoming inc seat valve 80254 RFQ

Technical Characteristics of NSN 4820003979527

MRCCriteriaCharacteristic
ABKWOVERALL HEIGHT0.409 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
ADARBODY OUTSIDE DIAMETER2.117 INCHES NOMINAL
ADASBODY INSIDE DIAMETER1.720 INCHES NOMINAL
AJFZSEAT RADIUS0.250 INCHES NOMINAL
CQFMHARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL AND 100.0 ROCKWELL B MAXIMUM OVERALL
CQKMSEATING SURFACE SHAPERADIAL
MATTMATERIALCOPPER ALLOY 614 OVERALL
STYLSTYLE DESIGNATORPLAIN

Relevant Components for NSN - 4820-00-397-9527, 4820003979527
4820-01-695-0145 (4820016950145) 4820-01-596-1771 (4820015961771) 4810-01-187-3363 (4810011873363) 4810-01-523-6894 (4810015236894)
4820-00-707-0356 (4820007070356) 4820-01-568-0815 (4820015680815) 4820-01-227-9365 (4820012279365) 4820-01-104-8145 (4820011048145)
4820-01-299-5713 (4820012995713) 4820-01-640-9566 (4820016409566) 4810-01-346-0666 (4810013460666) 4820-01-655-5932 (4820016555932)

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