Chinrest for the slit light ophthalmic, end item nsn 6540-01-520-7942, found in army unit assemblage n315, medical materiel set eye exam clinic: depmeds
NSN 6610-01-439-2651
NSN 6620-01-483-8189
NSN 6150-01-204-2826
NSN 5905-00-805-2527
NSN 5935-01-014-5545
NSN 5998-01-466-5653
NSN 5915-01-452-8815
NSN 6685-00-834-4280
NSN 5895-01-057-9033
NSN 2925-01-218-5556
NSN 6110-01-421-2714
NSN 5915-01-422-2014