NSN 3805-00-018-6580, 3805000186580
PISTON,EXCAVATOR

Federal Supply Classification: FSC 3805 - Earth Moving and Excavating Equipment
National Item Identification Number: NIIN 000186580
Codification Country: United States
Item Name Code: INC 77777
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 3805-00-018-6580

National Stock Number (NSN) 3805-00-018-6580, or NIIN 000186580, (piston,excavator) was assigned May 10, 1968 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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) 77777. 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 3805000186580 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) CAST IRON SAE 111,6.019 IN. MIN,6.021 IN. MAX OD,1.344 IN. H,1.753 IN. MIN,1.754 IN. MAX CENTER HOLE DIA,2.745 IN. MIN,2.750 IN. MAX DIA BY 0.141 IN. THK COLLAR AROUND CENTER HOLE BOTH SIDES