National Stock Number
6640-00-063-4281
National Stock Number (NSN) 6640-00-063-4281, or NIIN 000634281, (rack,test tube,laboratory) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 000634281 was cancelled on December 16, 2017, 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 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) 17078. [A DEVICE USED TO HOLD SEVERAL TEST TUBES UPRIGHT WHEN WAITING FOR A CHEMICAL REACTION OR WHEN TEST TUBES ARE NOT IN USE. EXCLUDES:RACK, COMPARISON TEST TUBE, LABORATORY.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6640000634281 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.