Optical Sighting And Ranging Equipment FSG 12 — FSC 1240

NSN
NIIN
Name
Details
00-819-4716
Light Optical Instrument Filter
00-820-3625
Fire Control Instrument Level
00-823-5611
Optical Instrument Case
Plastic, mil-p-8013, type 1, olive drab color, dim: o/a length=9.0 in.; o/a width=8.5 in.; o/a height=6.171 in.; provided with bail handle, 2 clamping catches
00-823-5612
Elbow Telescope
Used on 1015-00-133-8484. ec/o ring, pn 5206438; setscrew (3) , pn MS51974-1; screw, pn MS51957-29; washer, pn MS35333-71; chain, pn 10512999; clamp, pn 8588806; screw, pn MS51957-12; plug, pn 8587298; telescope, elbow assembly, pn 10548042-1
00-823-5613
Telescope Mount
00-824-0744
Light Optical Instrument Filter
3 filter units bonded in round aluminum housing
00-829-7115
Optical Instrument Cell Assembly
2b thread class right-hand 0.417" overall length chamfer 0.062 in. by 45 deg on end opposite thd end. three 0.060 dia. holes equally spaced on periphery of thd end.
00-829-7374
Optical Element Retainer
0.281" overall length anodize surface treated shouldered
00-832-4702
Ball Socket Seat
0.810" hole diameter 0.865" outside diameter opposite end of socket is threaded 0.906 inch-32 uns-2a seat
00-839-6584
Optical Instrument Window
Mounting buttons
00-846-4649
Optical Instrument Eyeshield
Used on telescope p/n f8587340. 1.688" overall length 4 mounting holes equally spaced on angled face
00-848-8658
Optical Element Retainer
0.920" hole diameter 0.250" overall length anodize surface treated shouldered
00-850-9270
Optical Element Cell
2 thread class
00-851-4866
Fire Control Instrument Level
00-851-4868
Optical Element Retainer
1.064" hole diameter 0.390" overall length shouldered
00-851-4872
Optical Element Cell
2a thread class 1.810" overall length anodize surface treated
00-851-9689
Optical Element Cell
2 thread class
00-853-2402
Optical Instrument Window
00-853-3577
Optical Element Retainer
4.250" hole diameter 0.187" overall length recessed
00-853-7764
Optical Instrument Headrest
Fabricated headrest; support, one; pad, one; 1.469 in. min. 1.531 in. max. w; 3.094 in. min., 3.156 in. max. lg; 0.719 in. min., 0.781 in. max. h
00-860-7629
Light Optical Instrument Filter
00-864-0342
Optical Instrument Cell Assembly
2b thread class right-hand 1.070" overall length
00-864-0343
Optical Instrument Cell Assembly
2b thread class right-hand 0.870" overall length
00-864-0348
Telescope Mount
Used on m109a1b sp,m109a2 sp,m109a3 sp,m109a4 sp,m146 mt tel.
00-864-0352
Optical Element Retainer
1.550" hole diameter 2.000" overall length anodize surface treated recessed
00-864-2930
Panoramic Telescope
00-864-2931
Optical Instrument Window
All corners with a 0.310 in. radius
00-864-2932
Optical Element Retainer
Used on telescope,panoramic,m117(t177). 0.870" hole diameter 0.210" overall length anodize surface treated recessed
00-864-2933
Armored Vehicle Periscope
Used on howitzer,full tracked,self-propelled 155mm m109.
00-864-2936
Optical Instrument Window
Element in accord with spec mil-o-13830; spherical power not to exceed 3 fringes, astigmatism 2 fringes; light deviation not to exceed 2 minutes (0.033 deg) of arc; surfaces quality 80-50; used on periscope
00-864-6541
Optical Element Retainer
Used on telescope,panoramic,m117(t177). 0.800" hole diameter 0.210" overall length anodize surface treated
00-864-6542
Optical Element Retainer
Used on 1240-00-106-7754. 0.660" hole diameter 0.180" overall length anodize surface treated
00-864-6543
Optical Element Retainer
Used on telescope,panoramic,m117(t177). 0.960" hole diameter 0.210" overall length anodize surface treated
00-865-7695
Fire Control Instrument Housing
Used on m60,m60a1,m48a5 tanks.
00-865-7699
Optical Element Cell
0.420" overall length
00-870-3751
Optical Instrument Window
Used on m109a2 sp,m109a3 sp,m109a4 sp,m109a4sp,m109a5sp.
00-870-3756
Optical Element Cell
2 thread class anodize surface treated
00-870-6273
Fire Control Range Finder
00-871-2882
Light Telescopic Instrume Filter
Aluminum alloy mount, anodized; filter, red glass
00-871-2883
Light Telescopic Instrume Filter
Amber filter
00-871-2884
Light Telescopic Instrume Filter
Neutral glass filter
00-871-2969
Telescope Mount
Used on m109a1b sp.
00-871-4896
Telescope Subassembly
Used on panoramic telescope.
00-875-7933
Fire Control Range Finder
Used on 105mm,m60; 105mm m60a1 w/o aos; 105mm m60a1 w/aos; 105mm,m48a5; rangefinder m17a1. item consists of 1 range finder, fire control, M17A1 pn 8620960; 1 case, metal reusable-preferred pn 8639691- alternate 8582927
00-876-4901
Optical Element Holder
00-882-5940
Optical Instrument Eyeshield
1.500" overall length
00-884-4879
Optical Element Cell
2 thread class anodize surface treated
00-884-4880
Ball Socket Seat
00-884-7747
Optical Element Cell
2b thread class
00-884-7761
Optical Instrument Window
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