National Stock Number
6635-01-697-5588
National Stock Number (NSN) 6635-01-697-5588, or NIIN 016975588, (test set,friction,fuel-lubricant) was assigned September 28, 2021 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 66805. [A COLLECTION OF ITEMS, SUCH AS MECHANICAL TEST UNIT, CONTROL AND DATA ACQUITION UNIT, TOOLS AND THE LIKE, PRIMARILY DESIGNED FOR TESTING AND EVALUATING FUEL LUBRICITY, MEASURING BOUNDARY FRICTION COEFFICIENT OF LUBRICANTS AND ASSESSING WEAR BY MEASURING THE DIAMETER OF THE WEAR SCAR ON TEST BALL. EXCLUDERS TESTER, LUBRICANT FRICTION.]. 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 6635016975588 does not contain precious metals.
This information was last updated on Aug 01, 2025.