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3020-01-026-4021 ( 3021137-1 )

NSN Information
NSN FSC NIIN Item Name INC
3020-01-026-4021 3020 010264021 SPROCKET WHEEL 0445
NSN Features
MRC Parameter Characteristics
BYFB GROOVE/STEP LOCATION AA END
AQPL FACE WIDTH 0.459 INCHES NOMINAL
ADGE BORE LENGTH 1.250 INCHES NOMINAL
CLYS DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION 0.791 INCHES END ANY ACCEPTABLE
BXSJ LIGHTENING HOLE NOT INCLUDED
BYZS FIRST END GROOVE WIDTH AND LOCATION 0.290 INCHES END ANY ACCEPTABLE
CLYR HUB END OUTSIDE DIAMETER AND LOCATION 2.750 INCHES NOMINAL AA END
ARJD DESIGN FORM PLAIN
BSNP SECURING METHOD KEY
BYGF TOOTH PITCH 0.750 INCHES NOMINAL
BYZT FIRST END LENGTH FROM GROOVE TO END AND LOCATION 0.300 INCHES NOMINAL AA END
BYZR FIRST END GROOVE DIAMETER AND LOCATION 2.125 INCHES END ANY ACCEPTABLE
ASBP BORE TYPE STRAIGHT
AGJS PITCH DIAMETER 3.607 INCHES NOMINAL
NMBR QUANTITY 1
ABXV BORE DIAMETER 1.750 INCHES MINIMUM
BYDZ PROTRUDING HUB CHARACTERISTIC GROOVED
BYFH BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED ROLLER CHAIN
MATL MATERIAL STEEL, SAE 4140
BYFJ ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED SINGLE PITCH
BYFR TEETH HARDNESS RATING 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
BYFW HUB EXTERNAL KEYWAY NOT INCLUDED
AXND COUNTERBORE FEATURE NOT INCLUDED
BYFL TEETH ROW QUANTITY 1
ASXJ METALLIC HARDNESS RATING AND LOCATION 25.0 ROCKWELL C MINIMUM BODY AND 30.0 ROCKWELL C MAXIMUM BODY
STYL STYLE DESIGNATOR PLAIN
ABHE OUTSIDE DIAMETER 3.979 INCHES NOMINAL
BYFP ASA STANDARD CHAIN NUMBER 60
BSGG KEYING FACILITY INCLUDED
ABRR KEYWAY WIDTH 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
BYFF SECURING LOCATION BOTH ENDS
BYFS BORE BEARING NOT INCLUDED
SURF SURFACE TREATMENT PHOSPHATE,MIL-P-16232 TYPE Z CLASS 4E AND LUBRICANT,SOLID FILM,MIL-L-8937 FORM B
BYFQ HARDNESS RATING TEST METHOD ROCKWELL
AEVF DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY 1.111 INCHES MAXIMUM
ABHP OVERALL LENGTH 1.250 INCHES NOMINAL
BSGK KEYING FACILITY TYPE KEYWAY
BYFN TEETH QUANTITY PER ROW 15
Manufacturing Part Numbers (SKUs)
Part SKU Cage Status RNVC RNCC SADC DAC RNAAC
3021137-1 10001 A 2 3 1 HD
Manufacturers
Part SKU Cage Manufacturer Type Status
3021137-1 10001 NAVAIR AND NAVSEA MANAGED A A
FLIS Identification
PMIC ADPE Code CRITL Code DEMIL Code DEMIL INTG NIIN Asgt ESD HMIC ENAC Schedule-B INC
U X A 08/22/1 N 8483901000 0445
FLIS Management
MOE REC Rep Code Mgmt Ctl USC Phrase Code Phrase Statement
DN 9B----- N
DS I
Demilitarization Codes & Management
DML PMI HMIC ADP CC ESDC
A U N X
Miscellaneous Management
MOE (S_A) SOS AAC QUP UI SLC CIIC RC MCC SVC
DN SMS J 1 EA 0 U 9B----- N
DS SMS J 1 EA 0 U D
Management Control Army
MATCAT 1 MATCAT 2 MATCAT 3 MATCAT 4 5 ARC
Freight
NMFC NMFC SUB UFC HMC LTL LCL WCC TCC SHC ADC ACC ASH NMF DESC