NSN 3020-00-038-4446, 3020000384446 Details - Sprocket Wheel Parts List

Item Name Sprocket Wheel
Federal Supply Group (FSG) Mechanical Power Transmission Equipment
Federal Supply Class (FSC) 3020 Gear Pulley Sprocket and Transmission Chain
National Item Identification Number (NIIN) 00-038-4446 (000384446)
NCB Code USA (00)

Technical Characteristics of NSN 3020000384446

MRCCriteriaCharacteristic
ABHEOUTSIDE DIAMETER3.643 INCHES MINIMUM AND 3.649 INCHES MAXIMUM
ABHPOVERALL LENGTH2.432 INCHES MINIMUM AND 2.442 INCHES MAXIMUM
ABRRKEYWAY WIDTH0.2515 INCHES MINIMUM AND 0.2545 INCHES MAXIMUM
ABUJTHREAD SIZE3/8 -16
ABXVBORE DIAMETER1.249 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
ADGEBORE LENGTH2.432 INCHES MINIMUM AND 2.442 INCHES MAXIMUM
AEVFDISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY0.765 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
AGJSPITCH DIAMETER3.662 INCHES MINIMUM AND 3.682 INCHES MAXIMUM
AHYFSECURING HOLE QUANTITY2
AKYNFURNISHED ITEMS AND QUANTITYNONENONE
AQPLFACE WIDTH2.412 INCHES MINIMUM AND 2.422 INCHES MAXIMUM
AQWMGUIDENOT INCLUDED
ARJDDESIGN FORMPLAIN
ASBPBORE TYPESTRAIGHT
ASXJMETALLIC HARDNESS RATING AND LOCATION45.0 ROCKWELL C MINIMUM BODY AND 52.0 ROCKWELL C MAXIMUM BODY
AXNDCOUNTERBORE FEATURENOT INCLUDED
BFYTHOLE LOCATIONLOCATED 90 DEG EACH SIDE OF KEYWAY
BSGGKEYING FACILITYINCLUDED
BSGKKEYING FACILITY TYPEKEYWAY
BSNPSECURING METHODTHREADED HOLE
BXSJLIGHTENING HOLENOT INCLUDED
BYDZPROTRUDING HUB CHARACTERISTICPLAIN
BYFFSECURING LOCATIONAA END
BYFHBELT/CHAIN/FILM SIZE FOR WHICH DESIGNEDSILENT CHAIN
BYFLTEETH ROW QUANTITY1
BYFNTEETH QUANTITY PER ROW23
BYFQHARDNESS RATING TEST METHODROCKWELL
BYFRTEETH HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
BYFSBORE BEARINGNOT INCLUDED
BYFWHUB EXTERNAL KEYWAYNOT INCLUDED
BYGFTOOTH PITCH0.500 INCHES NOMINAL
BYZDHUB END OUTSIDE DIAMETER AND LOCATION2.9375 INCHES NOMINAL BOTH ENDS
BYZFDISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION0.007 INCHES MINIMUM BOTH ENDS AND 0.013 INCHES MAXIMUM BOTH ENDS
FEATSPECIAL FEATURES2 HOLES DRILLED BETWEEN TEETH INTO KEYWAY 1/8 IN. DIA,LOCATED 5/16 IN.FROM EACH END; END OPPOSITE SECURING HOLES COUNTERSUNK 60 DEG,1/8 IN. DEEP
MATTMATERIALSTEEL COMP 1020
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633, FS1020-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
NMBRQUANTITY1
STYLIII STYLE DESIGNATORPLAIN

  Relevant Components for NSN - 3020-00-038-4446, 3020000384446

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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