National Stock Number
5331-00-194-3726
National Stock Number (NSN) 5331-00-194-3726, or NIIN 001943726, (o-ring) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). NIIN 001943726 was cancelled on July 2, 1998, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 9 stock numbers. Five of the National Stock Numbers that it replaces are: 5330006411274, 5330005513710, 5330008092937, 5330007895314, 5330006410246.
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.
This NSN is assigned to Item Name Code (INC) 47946. [A NONMETALLIC CIRCULAR ITEM WITH AN APERATURE, HAVING A SOLID ROUND CROSS-SECTION. THEY ARE USED PRIMARILY FOR SEALING. FOR ITEMS WITH OTHER THAN ROUND CROSS SECTION, SEE PACKING,PREFORMED. FOR NONCIRCULAR ITEMS WITH A ROUND CROSS-SECTION, SEE SEAL,NONMETALLIC ROUND SECTION AND RUBBER,ROUND SECTION.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5331001943726 does not contain precious metals.
This information was last updated on Aug 01, 2025.