NSN 3040-00-606-4451, 3040006064451
CONNECTING LINK,RIGID

Federal Supply Classification: FSC 3040 - Miscellaneous Power Transmission Equipment
National Item Identification Number: NIIN 006064451
Codification Country: United States
Item Name Code: INC 21988
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
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 3040-00-606-4451

National Stock Number (NSN) 3040-00-606-4451, or NIIN 006064451, (connecting link,rigid) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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) 21988. [AN ITEM OF VARIOUS CROSS-SECTIONAL SHAPES WHICH MAY BE OF SOLID OR HOLLOW CONSTRUCTION. IT IS SPECIFICALLY DESIGNED FOR ATTACHMENT TO A LEVER(S) AND/OR CONTROL(S) TO ACTUATE VARIOUS REMOTE MECHANISMS. IT IS ONE OF THE FOLLOWING: (1) A ONE-PIECE ITEM WITH OR WITHOUT EYES AND/OR HOLES IN EACH END WHICH MAY HAVE BUSHINGS OR BEARINGS PRESSED IN THE EYES; (2) A ONE-PIECE ITEM WITH BOTH ENDS PROCESSED FOR TERMINATIONS, EXCLUDING THREADED END(S); (3) A TWO-PIECE CONSTRUCTION TYPE ITEM CONSISTING OF A BODY WITH BOTH ENDS PROCESSED FOR TERMINATIONS AND A SINGLE END ATTACHMENT; OR (4) A THREE-PIECE CONSTRUCTION TYPE ITEM CONSISTING OF A BODY AND TWO END ATTACHMENTS. EXCLUDES INTERNAL COMBUSTION ENGINE TYPE PISTON CONNECTING RODS; DRAG LINK, STEERING; LINK, ANCHOR, BRAKE SHOE; TIE ROD, STEERING; AND TURNBUCKLE. FOR CYLINDRICAL SHAPED EXTERNALLY THREADED ITEMS WITHOUT END ATTACHMENTS, SEE ROD, THREADED END AND STUD (AS MODIFIED).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3040006064451 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

END ATTACHMENT STYLE: (BDRY) B2
END ATTACHMENT STYLE: (BDRY) B4
END ATTACHMENT FORK WIDTH: (BFNP) 0.718 INCHES NOMINAL SECOND END
END ATTACHMENT HOLE DIAMETER: (BFLD) 0.312 INCHES NOMINAL SECOND END
END ATTACHMENT HOLE DIAMETER: (BFLD) 0.375 INCHES NOMINAL FIRST END
END ATTACHMENT LENGTH: (BFNL) 2.187 INCHES NOMINAL FIRST END
END ATTACHMENT LENGTH: (BFNL) 2.884 INCHES NOMINAL SECOND END
END ATTACHMENT WIDTH: (BFNQ) 0.593 INCHES NOMINAL FIRST END
BODY CONSTRUCTION: (AZHL) SOLID
BODY DIAMETER: (ABPM) 0.375 INCHES NOMINAL
LINK STYLE: (AJXT) SOLID SHANK
MATERIAL: (MATT) STEEL
OVERALL LENGTH: (ABHP) 8.406 INCHES NOMINAL
SPECIAL FEATURES: (FEAT) EFFECTIVE LENGTH: 7.250; LINK THREAD INFO: RIGHT HAND, LENGTH 1.500, HOLE DIAMETER 0.250, 0.375-24 NF; END ATTACHMENT INFO: WIDTH: 0.593, DIAMETER: 1.125 1ST END, 1.188 2ND END; LOCKNUT INCLUDED; FORK DEPTH 1.437, FORK SPAN WIDTH 0.344
SURFACE TREATMENT: (SFTT) CADMIUM