National Stock Number (NSN) 6610-00-526-4397, or NIIN 005264397, (indicator,air speed) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6610009785814.
There are 7 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has built a very strong supply chain for this NSN. We have direct relationships with 31 sources of supply.
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: SPE4A622PK720, SPE4A621PN918, SPM4A613M0609, SPM4A613M0609, SPM4A612V6720. The total value of the awarded contracts has been US$ 365,068.84.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been a moderate amount of demand for this national stock number. Globally, demand for this NSN has originated from 7 countries. The 24 month forecast from the US Government for this part number has medium volatility, with an estimated forecasted value of US$ 51,280. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 30, 2010, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 38915. [AN INDICATOR CALIBRATED IN UNITS WHICH MEASURES FORWARD VELOCITY.]. 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 6610005264397 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 Aug 01, 2025.