National Stock Number
6220-00-544-6501
National Stock Number (NSN) 6220-00-544-6501, or NIIN 005446501, (light,cockpit,aircraft) was assigned October 6, 1974 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 22778. [A LIGHT SPECIFICALLY DESIGNED TO BE PERMANENTLY INSTALLED IN AIRCRAFT FOR MAP READING OR COCKPIT ILLUMINATION. IT MAY CONTAIN DIMMING FEATURES, SWITCHES, FILTERS, AND/OR CABLES OR COILED CABLES TO PERMIT PORTABILITY WITHIN THE LENGTH OF THE CABLE. IF PROVIDED WITH CABLES OR COILED CABLES, THE MOUNTING BASE MUST REMAIN FIXED TO THE AIRCRAFT AND INCLUDE A SNAP-IN OR SIMILAR LOCKING DEVICE TO PERMIT DETACHMENT AND ATTACHMENT OF THE LIGHT. FOR ITEMS THAT SUPPLY GENERAL ILLUMINATION FOR OTHER COMPARTMENTS OF AN AIRCRAFT, SEE LIGHT, DOME. EXCLUDES:LIGHT (1), EXTENSION.]. 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 6220005446501 does not contain precious metals.
This information was last updated on Aug 01, 2025.