National Stock Number
6550-01-153-3588
National Stock Number (NSN) 6550-01-153-3588, or NIIN 011533588, (differentiation discs,microorgan) was assigned May 15, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6505011621280.
There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Apr 27, 2016. There have been 2 contracts issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE2DS16V3317, SPE2DS16V3329. The total value of the awarded contracts has been US$ 184.00.
There has been very little 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 Dec 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 31949. [AN ITEM IMPREGNATED WITH A STANDARDIZED QUANTITY OF A CHEMICAL AGENT(S) FOR THE DIFFERENTIATION OF CERTAIN GROUPS OF MICROORGANISMS (PRESUMPTIVE DIFFERENTIATION). FOR DISCS USED FOR SENSITIVITY TESTING, SEE SENSITIVITY DISCS, DIAGNOSTIC.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6550011533588 does not contain precious metals.
This NSN is associated to Schedule B 3822000002: diagnostic or lab reagents on a backing, prepared diag/lab reagents whether or not on a backing, not of heading 3002 or 3006; certified ref materials. The Schedule B End Use is listed as chemicals-other. NAICS classification category 325412: pharmaceutical preparation manufacturing.
This information was last updated on Aug 01, 2025.