Serving our customers with quality and safety first.
an/TTC-30
adapter assy 1; cable assy 24; cable unit 13; case and cover assy 1; console 1; panel, indicator 7; programmer, electronic control 2; number group unit 2; REGISTER-Router 2; shelter, elec equip 4; ttransmission alarm 4
A telephone office having switching facilities for connecting any dial telephone station within its office area to any other telephone station within the area. The switching mechanism is actuated by current pulses from the telephone station dial. It generally has trunking facilities to other central offices for making connections to telephone stations in those offices. The central office includes all equipment required to serve the station lines having a common office name and may include a manual switchboard for certain types of services. Does not include the outside lines from the central office to the telephone station.
Packing is not required. the unit container shall also serve as the shipping container. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.
Packaging is in accordance with a procedural specification or a special packaging instruction (spi). the appropriate specification number will be shown in the clear in the supplemental data area.
Special requirements.
OPI: Optional Procedure Indicator Code. A one position alpha code that indicates the allowable deviations from the prescribed requirements.
SPI No.: Special packaging instructions number.
LVL A/B/C: Indicates the type of shipping container required for level A, B, or C maximum packing protection.
SPC Mkg: A two position code that identifies the special markings applied to the container, which is part of the total pack to protect the contained item during preservation, packing, storage, transit and removal from the pack.
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.