National Stock Number (NSN) 5330-01-191-0625, or NIIN 011910625, (ring,wiper) was assigned October 5, 1984 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, with the most recent procurement date of May 04, 2016. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE5EJ16V3958, SPM5E113V6709, SPM5EJ13V2032, SPM5M312V0849. The total value of the awarded contracts has been US$ 1,424.05.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 2008, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
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 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 5330011910625 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 Aug 01, 2025.