Catalog
Aircraft Intercomm.
Aircraft Radar
Aircraft Radio / TV
Aircraft Radio Nav.
Alarms and Security
Wire Assemblies
CPUs
Electrical Hardware
Facsmile Equipment
Fire Control Radars
Headsets and Handsets
IT Components
Non-Aircraft Radar
Non-Aircraft Radio / TV
Non-Aircraft Radio Nav.
Photography
R/C Systems
Comm. Security Equipment
Sound Recording
Surveying Instruments
Telephone and Telegraph
Training Devices
Video Recording
Search
Home
Optical Sighting And Ranging
Optical Element Retaining Rings
Optical Element Retaining Rings
105 total part numbers.
895219
Alternates: 31150PC5115
NSN 1240-00-025-0269
Overall Length: 0.160 inches
Outside Diameter: 2.050 inches
Internal Flange Thickness: 0.058 inches
Material: Brass
Material: Copper alloy
215292PC2
NSN 1240-00-026-8107
Thread Class: 3b
Thread Direction: Right-hand
Thread Length: 0.400 inches
Overall Length: Between 0.590 inches and 0.610 inches
Outside Diameter: Between 5.240 inches and 5.260 inches
10547913
NSN 1240-00-045-4379
Outside Diameter: Between 1.710 inches and 1.720 inches
Aperture Diameter: 1.5625 inches
Thread Location: Internal
Internal Flange Thickness: 0.3750 inches
Material: Steel comp 303 or steel comp 416
929C956P1
NSN 1240-00-079-5185
Outside Diameter: Between 4.885 inches and 4.895 inches
Aperture Diameter: Between 4.090 inches and 4.110 inches
Mounting Configuration: Four mounting holes
Internal Flange Thickness: Between 0.047 inches and 0.050 inches
Knurled Periphery: Not provided
701C913P1
NSN 1240-00-101-0594
Overall Length: 0.190 inches
Outside Diameter: 5.310 inches
Aperture Diameter: 4.512 inches
Mounting Configuration: Eight 0.194 in. Diameter mtg holes
Internal Flange Thickness: 0.058 inches
Shop by Manufacturer
optical element retaining rings
Forway Industries Inc
Marine Corps Logistics Command
General Dynamics Land Systems Inc.
Spiral Tool Corporation
American Optical Co
8289272
Alternates: 1240001154471
NSN 1240-00-115-4471
Thread Class: 3a
Thread Pitch Diameters: +2.0219 to 2.0273 inches
Thread Direction: Right-hand
Groove Diameter: 2.078 inches
Thread Length: 0.494 inches
481128PC2
NSN 1240-00-130-7585
Groove Diameter: 2.750 inches
Overall Length: 2.125 inches
Outside Diameter: 3.000 inches
Aperture Diameter: 2.595 inches
Inner Groove Width: 0.155 inches
94695PC4
NSN 1240-00-130-8277
Groove Diameter: 0.681 inches
Overall Length: Between 0.195 inches and 0.205 inches
Outside Diameter: Between 0.850 inches and 0.855 inches
Thread Size: 0.655-50
Aperture Diameter: 0.562 inches
175931PC1
NSN 1240-00-131-6994
Overall Length: Between 0.160 inches and 0.170 inches
Outside Diameter: Between 1.245 inches and 1.255 inches
Aperture Diameter: Between 0.745 inches and 0.755 inches
Internal Flange Thickness: Between 0.035 inches and 0.045 inches
Knurled Periphery: Not provided
278574PC7
NSN 1240-00-155-1464
Thread Direction: Right-hand
Thread Length: 0.250 inches
Overall Length: 0.312 inches
Outside Diameter: 3.268 inches
Aperture Diameter: 3.140 inches
203026PC14
Alternates: G8102PC14
NSN 1240-00-157-4129
Thread Class: 3b
Thread Direction: Right-hand
Thread Length: 0.187 inches
Overall Length: 0.250 inches
Outside Diameter: 1.687 inches
481112PC8
NSN 1240-00-157-9379
Thread Class: 2a
Thread Direction: Right-hand
Groove Diameter: 2.218 inches
Thread Length: 0.171 inches
Overall Length: 0.297 inches
481128PC1
NSN 1240-00-157-9412
Thread Class: 2a
Thread Direction: Right-hand
Thread Length: 0.075 inches
Overall Length: 0.255 inches
Outside Diameter: 2.250 inches
655045
Alternates: 231650
NSN 1240-00-159-0537
Groove Diameter: 2.251 inches
Overall Length: 0.656 inches
Outside Diameter: 2.500 inches
Aperture Diameter: 2.016 inches
Inner Groove Width: 0.0235 inches
212550-1
Alternates: 212550PC1
NSN 1240-00-159-4486
Outside Diameter: 4.125 inches
Aperture Diameter: 2.813 inches
Internal Flange Thickness: 0.093 inches
Knurled Periphery: Not provided
Material: Aluminum alloy
654745
Alternates: 265200
NSN 1240-00-177-0659
Thread Class: 2b
Thread Direction: Right-hand
Groove Diameter: 2.218 inches
Thread Length: 0.171 inches
Overall Length: 0.297 inches
929C962P1
NSN 1240-00-179-6427
Outside Diameter: Between 4.885 inches and 4.895 inches
Aperture Diameter: Between 4.090 inches and 4.110 inches
Internal Flange Thickness: 0.042 inches
Knurled Periphery: Not provided
Material: Aluminum alloy, 6061
789PC3
Alternates: 1390117
NSN 1240-00-210-4395
Thread Direction: Right-hand
Thread Length: 0.495 inches
Overall Length: Between 0.759 inches and 0.765 inches
Outside Diameter: Between 1.828 inches and 1.829 inches
Aperture Diameter: Between 1.451 inches and 1.457 inches
435-11-3019
NSN 1240-00-211-7182
Overall Length: Between 0.081 inches and 0.101 inches
Outside Diameter: Between 2.740 inches and 2.760 inches
Aperture Diameter: Between 1.960 inches and 1.980 inches
Internal Flange Thickness: Between 0.081 inches and 0.101 inches
Knurled Periphery: Not provided
10527978
NSN 1240-00-248-4800
Outside Diameter: 2.999 inches
Aperture Diameter: 2.250 inches
Internal Flange Thickness: 0.500 inches
Knurled Periphery: Not provided
Material: Steel, qq-s-763, class 303, cond a
8200195
NSN 1240-00-302-1312
Thread Class: 3b
Thread Pitch Diameters: +1.7162 to 1.7500 inches
Thread Direction: Right-hand
Thread Length: 0.158 inches
Overall Length: 0.192 inches
8200243
Alternates: 1240003021330
NSN 1240-00-302-1330
Thread Class: 3b
Thread Direction: Right-hand
Thread Length: 0.120 inches
Outside Diameter: Between 1.380 inches and 1.390 inches
Thread Size: 1 1/8-32
8200251
NSN 1240-00-302-1333
Thread Class: 2
Thread Direction: Right-hand
Thread Length: 0.143 inches
Overall Length: 0.187 inches
Outside Diameter: 1.812 inches
10558952
NSN 1240-00-328-5606
Groove Diameter: 3.130 inches
Outside Diameter: 3.250 inches
Aperture Diameter: 2.900 inches
Inner Groove Width: 0.140 inches
Internal Flange Thickness: 0.310 inches
511716PC5
NSN 1240-00-334-3376
Outside Diameter: 2.080 inches
Aperture Diameter: 1.500 inches
Internal Flange Thickness: 0.050 inches
Knurled Periphery: Not provided
Material: Brass
Page:
1
2
3
4
5