National Stock Number (NSN) 6695-01-051-1891, or NIIN 010511891, (light,instrument) was assigned November 25, 1977 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 8 contracts issued for this part number, with 8 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE4A524V0737, SPE4A622V628Y, SPE4A621PR764, SPE4A621PR764, SPE4A621PR779. The total value of the awarded contracts has been US$ 46,099.59.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 17,815. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 31, 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) 21517. [A COMPACT, SEALED, ELECTRICAL COMPONENT, SPECIFICALLY DESIGNED TO SUPPLY DIRECT ILLUMINATION FOR RETICLES IN OPTICAL INSTRUMENTS, DIALS AND/OR SCALES AND LEVEL VIALS ON MECHANICAL DEVICES. MAY INCLUDE BATTERY SOURCE, FILTERS, CABLES AND CONTROLS FOR INTENSITY OF ILLUMINATION. PROVIDES METHOD OF SECURING. EXCLUDES:LIGHT, PANEL. DO NOT USE IF A MORE SPECIFIC NAME EXISTS.]. 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 6695010511891 does not contain precious metals.
This NSN is associated to Schedule B 9405400000: electric lamps and lighting fittings, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335129: other lighting equipment manufacturing.
This information was last updated on Jul 01, 2025.