National Stock Number
4730-01-689-0402
National Stock Number (NSN) 4730-01-689-0402, or NIIN 016890402, (spacer,flexible,pipeline) was assigned June 3, 2020 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 04, 2020, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 17666. [AN ITEM MADE FROM RUBBER IN VARIOUS SHAPES, FLANGED ON EACH END, AND HAVING A CENTRALLY LOCATED HOLE OF THE SAME SIZE AS THE PIPING WITH WHICH USED. IT IS DESIGNED TO BE INSERTED BETWEEN SECTIONS OF PIPE OR PIPE AND CASING OF FANS, PUMPS, OR THE LIKE, TO ABSORB SHOCK, DAMPEN VIBRATION AND TO FACILITATE REMOVAL OF SECTION(S) FOR REPAIR OR OTHER PURPOSES.]. 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 4730016890402 does not contain precious metals.
This information was last updated on Aug 01, 2025.