Features
3b thread class, 4.240 inches minimum and 4.280 inches maximum overall length, plastic material.
Right-hand.
Includes quality control certificate of conformance.
Specifications
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Thread Pitch Diameters:
+3.0925/+3.0976 inches
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Thread Direction:
Right-hand
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Thread Length:
0.350 inches
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Thread Size:
3 1/8-20
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Overall Diameter:
Between 3.285 inches and 3.295 inches
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End Application:
Night vision sight an/pvs-1
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Screw Thread Series Designator:
Uns
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Thread Location:
Internal
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Eccentric Construction:
Not provided
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Chamfer Location:
Both ends
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Chamfer Size:
0.020 in. By 45 deg
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Element Securing Method:
Threaded ring
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Material:
Plastic
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Federal Supply Class (fsc):
Night vision equipment, emitted and reflected radiation
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National Stock Number (nsn):
5855-00-937-2168