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alloy QQ-A-365 T3; structural design; screw mtd; mtg hole lg 0.188 in.; mtg hole countersunk; mtg thd 4-40 unc 2b; 0.750 in. lg o/a; flange 0.445 in. od; flange 0.250 in.lg; body 0.367 in. od; concentric hole counterbored; concentric hole 0.562 in. dp; concentric hole 0.328 in. min and 0.338 in max dia
aluminum
An item designed to accommodate one or more balance weights. It is generally mounted on another item by means of screws, studs, welding or the like. The item may be of structural design or completely inclosed.
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.