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challenger acft engine ALF502L-2C
seal, metallic, special
shaft "a" 20.000 rpm; surface speed shaft "a" 11, 830 fpm; shaft "b" 17, 500 rpm; surface speed shaft "b" 9, 323 fpm; oil temp 400 f max; air temp (inside seal) 500 f; oil type MIL-L-23699 oil condition mist; pressure differential across seal 40 psig max; pressure (air side) 25 psig; pressure oil: ATM0Sphere
A single or multi-piece item of metallic construction, specifically designed to form either a tight fuel or oil seal in an engine, gas turbine, aircraft.
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
Represents items with no adp components
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.