An item specifically designed as a foundation or part upon which associated parts, such as cross blade, sight leaf, or aperture, for a gunsight are mounted. it is attached to the receiver or gun barrel and essential to a carbine, machine gun, pistol, rifle or the like when aiming.
Classification: Part and accessories of articles of headings 9301 to 9304, nesoi
NSN 5925-01-004-7609
NSN 6240-01-348-0057
NSN 5835-01-558-9444
NSN 5996-01-452-9489
NSN 6650-01-435-9377
NSN 6145-00-689-4215
NSN 4140-00-613-9209
NSN 4140-01-058-6339
NSN 6220-00-391-1076
NSN 5990-01-430-3152
NSN 6685-01-560-0777
NSN 6145-01-406-4201