NSN 3020-00-418-4838, 3020004184838 Details - Pulley Flat Parts List

Item Name Pulley Flat
Federal Supply Group (FSG) Mechanical Power Transmission Equipment
Federal Supply Class (FSC) 3020 Gear Pulley Sprocket and Transmission Chain
National Item Identification Number (NIIN) 00-418-4838 (004184838)
NCB Code USA (00)

Technical Characteristics of NSN 3020004184838

MRCCriteriaCharacteristic
ABHEOUTSIDE DIAMETER0.937 INCHES NOMINAL
ABHPOVERALL LENGTH3.500 INCHES NOMINAL
ABKVOUTSIDE DIAMETER1.500 INCHES NOMINAL
ABRRKEYWAY WIDTH0.188 INCHES NOMINAL
ABUJTHREAD SIZE5/16-18
ABXVBORE DIAMETER0.752 INCHES MINIMUM AND 0.753 INCHES MAXIMUM
ADGEBORE LENGTH3.500 INCHES NOMINAL
AEVFDISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY0.501 INCHES NOMINAL
AGFFFLANGE WIDTH0.125 INCHES NOMINAL
AHSFFLANGE QUANTITY1
AHYFSECURING HOLE QUANTITY1
ANNQMATERIAL AND LOCATIONSTEEL,AISI OR SAE 4140 OVERALL
AQPLFACE WIDTH1.250 INCHES NOMINAL
ARJDDESIGN FORMPLAIN
ASBPBORE TYPESTRAIGHT
AWJQBEARINGSNOT INCLUDED
AXNDCOUNTERBORE FEATURENOT INCLUDED
BFYTHOLE LOCATIONON TOP OF KEYWAY 1.375 IN. FROM HUB END
BSGGKEYING FACILITYINCLUDED
BSGKKEYING FACILITY TYPEKEYWAY
BSNPSECURING METHODTHREADED HOLE
BSYGSPLIT HUB FEATURENOT INCLUDED
BXSJLIGHTENING HOLENOT INCLUDED
BXSKINTEGRAL COOLING VANENOT INCLUDED
BXSLCROWN FACENOT INCLUDED
BYDPRIM TYPESOLID
BYDRFLANGE LOCATIONOUTSIDE
BYDSBORE FEATUREINCLUDED
BYFFSECURING LOCATIONAA END
BYZDHUB END OUTSIDE DIAMETER AND LOCATION1.500 INCHES NOMINAL AA END
BYZGDISTANCE FROM PILOT END TO FLANGE FACE2.125 INCHES NOMINAL
FEATSPECIAL FEATURESA 1 SLOT RELIEF HOLE 0.250 IN. DIA LOCATED ON TOP OF KEYWAY 1.875 IN. FROM HUB END
NMBRQUANTITY1
SFTTSURFACE TREATMENTCADMIUM
STYLSTYLE DESIGNATORPLAIN

  Relevant Components for NSN - 3020-00-418-4838, 3020004184838

3010-00-001-0013 (3010000010013) 3010-00-001-0069 (3010000010069) 3010-00-001-2168 (3010000012168) 3010-00-001-2173 (3010000012173)
3010-00-001-3588 (3010000013588) 3010-00-001-5963 (3010000015963) 3010-00-001-6187 (3010000016187) 3010-00-001-6188 (3010000016188)
3010-00-001-6189 (3010000016189) 3010-00-001-6191 (3010000016191) 3010-00-001-6230 (3010000016230) 3010-00-001-6242 (3010000016242)

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