National Stock Number (NSN) 5855-01-292-5639, or NIIN 012925639, (eyeshield,optical instrument) was assigned January 19, 1989 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are 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 Oct 13, 2016. There have been 3 contracts issued for this part number, with 4 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A617P0763, SPM4A209D5B55, SPM4A209D5B55, SPM4A209D5B55, SPM4A609MN776. The total value of the awarded contracts has been US$ 28,230.76.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
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 Dec 19, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 22120. [A RESILIENT RUBBER ITEM, DESIGNED TO BE ATTACHED TO THE VIEWING APERTURE OF AN OPTICAL INSTRUMENT, TO MAINTAIN PROPER EYE DISTANCE AND TO PROTECT THE EYE(S) OF THE OBSERVER FROM STRAY LIGHT, WIND, AND/OR INJURY DUE TO SHOCK OF GUN FIRE OR SIMILAR DISTURBANCES. EXCLUDES:VISOR, PERISCOPE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5855012925639 does not contain precious metals.
This NSN is associated to Schedule B 9014900000: parts & accessories for direction finding compasses and other navigational instruments and appliances. The Schedule B End Use is listed as marine engines, parts. NAICS classification category 334511: search, detection, navigation, guidance, aeronautical, and nautical system and instrument manufacturing.
This information was last updated on Jul 01, 2025.