NSN 1680-00-346-4002, 1680003464002
Cancelled -> Replaced by 1680003470510

Federal Supply Classification: FSC 1680 - Miscellaneous Aircraft Accessories and Components
National Item Identification Number: NIIN 003464002
Codification Country: United States
Item Name Code: INC 77777
Criticality: ( )
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 1680-00-346-4002

National Stock Number (NSN) 1680-00-346-4002, or NIIN 003464002, (clutch assy,slip ro) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NSN replaces 1 stock number, 1680003470510.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 77777. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1680003464002 contains an unknown precious metal.

This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

COMPONENT AND QUANTITY: (ALPC) 1) CAN JUNCTION-ASSEMBLY; (1) DETECTOR HOUSING ASSEMBLY; (1) TERMINAL BOARD; (2) DUCT BLOCKS; (2) PITOT TUBES; (4) CONNECTORS; (1) DUCT GASKET BLOCK; (1) PRINTED CIRCUIT BOARD; (1) BRIDGE ASSY; (1) CUPISOTOPE; (14) RESISTORS; (1) RESISTOR SHIELD; (7) SEMICONDUCTORS; (1) AMPLIFIER; (3) DIODES; (2) CAPACITORS; (1) COMPONENT BOARD ASSY; (1) IDENTIFICATION PLATE; (1) 4-PIN TRANSISTOR SOCKET; (1) THERMISTOR
OVERALL DIAMETER: (ADAV) 3.844 INCHES NOMINAL
OVERALL LENGTH: (ABHP) 4.125 INCHES NOMINAL