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steel, timken no. 125 mm comp 4320 or 4340, timken roller bearing co, black oxide coated MIL-C-13924 class 1, rockwell hardness rating c SCALE26 to 33, dim., 3.887 in. min, 3.897 in. max id, 4.116 in. min, 4.117 in. max OD0.829 in. min, 0.839 in. max o/a lg, 3.677 in. min, 3.697 in. max internalflange dia, 0.090 in. min, 0.100 in. max internal flange w, inside right cornerchamfered 0.150 in. nom lg by 30 deg, inside flange corner radius 0.060 in.nom, outside left corner chamfered 0.060 in. min, /.070 in. max lg by 45 degmax surface finish, all surfaces 90 microinches aa, magnetic particleinspected, magnafluxed, MIL-I-6868
A rigid tubular item which fits between a bearing and its housing, designed primarily as a replaceable wear surface within the inner wall of the housing.
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.