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 5950-01-182-2550
NSN 5945-00-677-5355
NSN 6145-01-615-6436
NSN 5990-00-647-4008
NSN 5925-01-565-0431
NSN 5990-00-140-4559
NSN 5990-00-076-9839
NSN 5835-01-442-6079
NSN 5855-01-252-5424
NSN 6650-00-716-7628
NSN 6110-01-423-3676
NSN 2925-01-172-9209