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180 localline capacity; 180local lines equipped for opr; switchboard data, common battery type, 3 opr posn, 48 v battery, dial incl; 20 trunk lines; complement data, complement listing, 1, mil, air conditioner, MIL-A-11210, class 1 /fsn 4120-266-9074/, 1, jetds, telephone switchboard group, type no. an/MTA-3 /fsn 5805-893-2689/, 1, jetds, telephone terminal group, type no.an/MTA-4 /fsn 5805-893-2688/, 1, jetds, generator set, gasoline engine, trlr mtd, type no.PU-619/m /fsn 6115-738-6339/; no spec feat; jetds id data, central ofc, telephone, manual, ty no.an/MTC-1
A telephone office having switching facilities for connecting any manual (nondial) telephone station to any other telephone station within its area. The switching is accomplished manually by means of a jack termination in a switchboard equipped with cord circuits or switches, and supervisory circuits. May include a dial. It generally has trunking facilities to and from other central offices for making connections to telephone stations in those offices. The central office includes all equipment required to serve the lines having a common office name. Does not include the lines from the central office or the telephone stations.
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.