National Stock Number
5975-00-174-9126
National Stock Number (NSN) 5975-00-174-9126, or NIIN 001749126, (reducing washer,knockout) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 13 manufacturer part numbers associated with this NSN. 10 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 12 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 06937. [AN ITEM CONSISTING OF A FLAT, CUPPED OR EMBOSSED METALLIC DISK WITH A CENTERHOLE TO FIT AN ELECTRICAL CONDUIT OF A SPECIFIED SIZE AND WHICH IS SPECIFICALLY DESIGNED TO REDUCE THE KNOCKOUT OPENING IN A BOX, PANEL, OR WIREWAY FOR THE CONVENIENCE OF TERMINATING ELECTRICAL CONDUIT OF SMALLER SIZE THAN THE KNOCKOUT. EXCLUDES:ADAPTER, ELECTRICAL CONDUIT.]. 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 5975001749126 does not contain precious metals.
This information was last updated on Aug 01, 2025.