National Stock Number
6525-01-689-8166
National Stock Number (NSN) 6525-01-689-8166, or NIIN 016898166, (collimator,radiographic and fluo) was assigned July 13, 2020 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.
This NSN is assigned to Item Name Code (INC) 22121. [AN ITEM DESIGNED TO ADJUST THE RADIATION FIELD IN A CONTINUOUSLY VARIABLE SQUARE OR RECTANGULAR PATTERN, WHICH WILL REDUCE THE SCATTERED RADIATION. IT IS USED WITH AN X-RAY APPARATUS, RADIOGRAPHIC AND FLUOROSCOPIC.]. 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 6525016898166 does not contain precious metals.
This NSN is associated to Schedule B 9022906000: parts and accessories of apparatus based on the use of x-rays. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 334517: irradiation apparatus manufacturing.
This information was last updated on Aug 01, 2025.