National Stock Number (NSN) 4730-01-359-2957, or NIIN 013592957, (spacer,flexible,pipeline) was assigned June 3, 1992 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 Dec 04, 2018. There have been 13 contracts issued for this part number, with 13 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7M319P1255, SPE7M318P5161, SPE7M318V1927, SPE7M116M4016, SPE7M315V4450. The total value of the awarded contracts has been US$ 5,996.61.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of 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 26, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 4730013592957 does not contain precious metals.
This NSN is associated to Schedule B 8906100000: warships (including submarines, troopships etc.). The Schedule B End Use is listed as military ships and boats. NAICS classification category 336611: ship building and repairing.
This information was last updated on Aug 01, 2025.