6650-14-446-5555

6650-12-365-2229 6650123652229 123652229 is an adjustable item of thin, overlapping opaque plates which are actuated by a ring or other device so as to change the diameter of a central opening, for controlling the intensity of transmitted illumination. it is usually employed to regulate the aperture of a lens in microscopes, and other optical instruments.

-01-114-8586 Optical Instrument Iris Diaphragm 75.0400RNCC: 3 | RNVC: 9 | DAC: 3 24 Jun 1981 6650-14-446-5555

1240-12-152-3703 1240121523703 121523703 is a resilient rubber item, designed to be attached to the viewing aperture of an optical instrument, to maintain proper eye distance and to protect the eye(s) of the observer from stray light, wind, and/or injury due to shock of gun fire or similar disturbances. excludes visor, periscope.

5325-00-209-7875 5325002097875 002097875 is a resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. for items having internal prongs which perform the same function, see push on nut. it is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. see also clip, retaining and pin, lock. excludes ring, connecting, round.

5325-14-208-0173 5325142080173 142080173 is a resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. for items having internal prongs which perform the same function, see push on nut. it is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. see also clip, retaining and pin, lock. excludes ring, connecting, round.