National Stock Number
5330-01-075-3939
National Stock Number (NSN) 5330-01-075-3939, or NIIN 010753939, (ring,wiper) was assigned April 20, 1979 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, there are no suppliers that are 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 Apr 02, 1991, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 20256. [A CIRCULAR, SINGLE OR MULTIPIECE, RIGID, METALLIC OR NONMETALLIC ITEM HAVING A CENTRALLY LOCATED HOLE WITH A SHARP EDGE ON THE INSIDE PERIPHERY. IT IS SUPPLIED IN VARIOUS CROSS-SECTIONAL SHAPES AND IS DESIGNED TO BE INSTALLED IN A CYLINDER, SHOCK STRUT, OR SIMILAR DEVICE TO REMOVE EXCESS OIL, DIRT, ICE, AND/OR FOREIGN MATERIAL FROM A PISTON, RAM, OR SLIDING ROD. EXCLUDES:PACKING, PREFORMED; RING, PISTON; AND SEAL RING, METAL.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5330010753939 does not contain precious metals.
This NSN is associated to Schedule B 8412909005: parts of linear acting hydraulic power engines and motors. The Schedule B End Use is listed as industrial engines. NAICS classification category 333995: fluid power cylinder and actuator manufacturing.
This information was last updated on Jul 01, 2025.