National Stock Number
1630-01-499-3853
National Stock Number (NSN) 1630-01-499-3853, or NIIN 014993853, (piston insulator,thermal,brake) was assigned July 22, 2002 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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) 47996. [A PHENOLIC OR METALLIC COMPOSITE DEVICE OF VARIOUS SHAPES AND SIZES LOCATED BETWEEN BRAKE ACTUATING PISTONS AND THE PRESSURE PLATE. IT PREVENTS THE HEAT TRANSFER FROM THE PRESSURE PLATE INTO THE PISTON WHICH COULD DAMAGE SEALS AND HYDRAULIC FLUID WITHIN THE PISTON HOUSING.]. 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 1630014993853 does not contain precious metals.
This NSN is associated to Schedule B 8803200060: undercarriages and parts thereof, for use in military aircraft. The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Aug 01, 2025.