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270local line capacity; 270local lines equipped for opr; switchboard data, common battery type, 3 opr posn, 48 v battery, dial not incl; 4 trunk lines; complement data, complmt listing, 3, sig, switchboard, type no.BD-110-A, 3, sig, frame, type no.FM-19, 1, sig, panel, type no.BD-90, 1, sig, rectifier, type no.RA-36-A, 1, sig, cabinet, type no.BE-72, 1, sig, cabinet, type no.BE-70, 4, sig, battery, type no.BB-46, 1, sig, pwr supply, type no.PE-75-A; govt designation data, sig, telephone central ofc set, type no.TC-10 and TC-10-A; for genl purpose use; data regarding govt doc containing list of components, sig, tech manual, TM-11-33S
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.