National Stock Number
1630-00-553-4743
National Stock Number (NSN) 1630-00-553-4743, or NIIN 005534743, (plate,backing,brake) was assigned October 27, 1974 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. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 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. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 22097. [A RIGID CIRCULAR SHAPED METAL ITEM WITH A CENTRALLY LOCATED APERTURE. IT HAS MOUNTING HOLES AND IS SPECIFICALLY DESIGNED TO MOUNT AND POSITION THE COMPONENTS OF A BRAKE (AS MODIFIED). IT ALSO SERVES TO PREVENT DIRT AND OTHER FOREIGN MATTER FROM ENTERING THE BRAKING MECHANISM. EXCLUDES:ITEMS WHICH ARE USED AS A DUST SHIELD ONLY.]. 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 1630005534743 does not contain precious metals.
This NSN is associated to Schedule B 8431390090: parts for lifting, handling, loading or unloading machinery, nesoi. The Schedule B End Use is listed as materials handling equipment. NAICS classification category 333120: construction machinery manufacturing.
This information was last updated on Aug 01, 2025.