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CHROME-Molybdenum, MIL-S-5626, comp 4140 cond f o/a, casehardened, rockwell c scale 35.0 min, 40.0 max hardness of body, 55.0 min, 60.0 max hardness of teeth, webbed, protruding shaft ends unequal lg, web offset from gear teeth centerline, 5.000 in. o/a lg, 2.383 in. od gear, 2.300 in. pitch dia, 0.897 MIN-0.899 max in. w of face, 2.370 in. distance from 1st end shaft to face of gear, 1.731 MIN-1.733 max in. distance from 2nd end shaft to face of gear, 1st end dim., 0.748 MIN-0.749 max in. shaft dia, 1.122 MIN-1.124 max in. lg from end of shaft to 1st groove, 0.701 MIN-0.707 max in. dia, 0.046 MIN-0.049 max in. of w of 1st groove, 0.7501 MIN-0.7504 max in. dia, 0.667 MIN-0.672 max in. lg of 1st step, 0.651 MIN-0.661 max in. dia, 0.530 in. lg of 2nd step, 2nd end dim:0.748 MIN-0.749 max in. shaft dia, 1.118 MIIN-1.122 max in. lg from end of shaft to 1st groove, 0.701 MIN-0.707 max in. dia, 0.046 MIN-0.049 max in. w of groove, 0.750
A gearshaft with a single complement of spur gear teeth. For items with more than one complement of teeth, see gearshaft (1), multiple gears.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.
PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.
ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.
ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.
CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.