NSN Search by National Stock Number

Search the MCRL (Master Cross-Reference List) provided by the FLIS (Federal Logistics Information Service) through the DLA (Defense Logistics Agency) of the DOD (Department of Defense). FLIS provides this data through their WebFLIS and FEDLOG products, but these are not available for public use. This free NSN Search provides NSN lookup of the Military NSN Database by National Stock Number.

The NSN Lookup search engine allows you to easily search for National Stock Numbers (NSN) over all of the catalogs and databases available within NATO for public use:

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4820-00-028-9991 VALVE,BLEEDER,HYDRAULIC SYSTEM
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SPECIAL FEATURES
STEEL,1.250 IN. O/A LG,0.125 IN. DIA HOLE DRILLED THRU CENTER OF VALVE,7/16-20 EXTERNAL THREAD,0.125 IN. DIA OF HOLE DRILLED AT SMALL END,0.562 IN.DIA ACROSS HEX WRENCHING FEATURE,0.250 IN. H OF HEXHEAD,0.500 IN. LG OF THREAD; VALVE, BRAKE, AIR CONTROL USED ON WHEEL TRACTOR SCRAPER, CATERPILLAR MODEL 637
END ITEM IDENTIFICATION
SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); SCRAPER TRACTOR, WHEELED; SCRAPER (621B)
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