Home / MS parts / Bearings & Mechanical / NSN 3020-00-249-9937
NSN 3020-00-249-9937  ·  NIIN 002499937  ·  FSC 3020
NO DASHES 3020002499937
In Stock

GEAR,HELICAL

Gears, Pulleys, Sprockets, and Transmission Chain

Technical characteristics

19 rows

Straight from the federal item record. Entries the record leaves empty are shown empty — nothing is filled in on its behalf.

Technical characteristics from the federal item record
MRCRequirementValue
AAQLBODY STYLE
AGJSPITCH DIAMETERINCHES MINIMUM 1.3940 AND INCHES MAXIMUM 1.3960
AJLATEETH QUANTITY13
ANTPBORE STYLE
CBBLFEATURES PROVIDEDSINGLE HELIX
CQFMHARDNESS RATINGOVERALL ROCKWELL C NOMINAL 21.0
CWCDNOMINAL OUTSIDE DIAMETERINCHES 1.6005
CWNHTOOTH FORMSTANDARD
CWNMTOOTH DIRECTIONLEFT
CWPPPRESSURE ANGLEDEGREES 14.5000
CWPZHELIX ANGLEDEGREES 21.2666
CWRMFACE NOMINAL WIDTHINCHES 0.7485
CWRSBORE NOMINAL DIAMETERBOTH ENDS INCHES 0.4985
CWSNKEYWAY NOMINAL WIDTHBOTH ENDS INCHES 0.1276
CWSRNOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOMBOTH ENDS INCHES 0.3302
FEATSPECIAL FEATURESCOUNTERBORE 1ST END 0.1375 IN. DEEP BY 0.5625 IN. DIA
MATTMATERIALOVERALL STEEL COMP 1137
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONOVERALL FED STD SINGLE MATERIAL RESPONSE 66 AND ASSN STD SINGLE MATERIAL RESPONSE AISI TO SAE 1137
STYLSTYLE DESIGNATOR

Supersedes

This item replaces cancelled NIIN 003838696. An older drawing citing one of those numbers resolves here.