National Stock Number
4310-01-166-9221
National Stock Number (NSN) 4310-01-166-9221, or NIIN 011669221, (vacuum pump,rotary) was assigned November 19, 1983 in the Federal Logistics Information System (FLIS). NIIN 011669221 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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 2 suppliers. 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 29903. [A VACUUM PUMP USED TO CREATE EXTREMELY LOW PRESSURE BY MEANS OF A ROTATING ELEMENT(S) IN AN ENCLOSURE. IT IS DESIGNED TO BE DRIVEN MANUALLY OR BY A PRIME MOVER WHICH IS NOT AN INTEGRAL PART OF THE PUMP. IT MAY INCLUDE A VACUUM STORAGE TANK(S) AND VARIOUS PERIPHERAL COMPONENTS SUCH AS DRIVEN PULLEYS.]. 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 4310011669221 does not contain precious metals.
This information was last updated on Jul 01, 2025.