NSN 4310-00-332-0206, 4310003320206
FOLLOWER,CROSS HEAD,CYLINDER

Federal Supply Classification: FSC 4310 - Compressors and Vacuum Pumps
National Item Identification Number: NIIN 003320206
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 4310-00-332-0206

National Stock Number (NSN) 4310-00-332-0206, or NIIN 003320206, (follower,cross head,cylinder) was assigned January 1, 1961 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. None of the associated 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, with the most recent procurement date of Apr 27, 2011. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7M311M4131. The total value of the awarded contracts has been US$ 184.00.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 4310003320206 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) STEEL OR CAST IRON,FED SPEC QQ-I-653 CLASS 20; 1.250 IN. OD; 0.438 IN. LG O/A; 0.531 IN. W; 1ST END W/HUB 0.688 IN. OD BY 0.062 IN. LG; 2ND END W/KEYWAY,0.250 IN. BY 0.062 IN. DEEP,ON 2ND END BEARING SURFACE AND THRU CENTER BORE
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) USTEEL OR CAST IRON,FED SPEC QQ-I-653 CLASS 20; 1.250 IN. OD; 0.438 IN. LG O/A; 0.531 IN. W; 1ST END W/HUB 0.688 IN. OD BY 0.062 IN. LG; 2ND END W/KEYWAY,0.250 IN. BY 0.062 IN. DEEP,ON 2ND END BEARING SURFACE AND THRU CENTER BORE