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Telescope Collimator

Model / MPN: 5549108 | NSN: 4931-00-554-9108
ITAR Registered seal

A small, tubular item utilizing an eyepiece, cross hair reticle, and an objective lens, to align the optical axis to the mechanical axis of a telescopic instrument. It does not have the viewing power of a telescope. It may have two like items secured in a common holder for simultaneous checking of a dual optical system.

Product Details
NATO Stock Number
4931-00-554-9108
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
General Description
Item c/o objective assembly p/n 7650528; tube p/n 7648278; washer p/n 7648286; reticle assembly p/n 7650527; ringp/n 7648284; eyepiece assembly p/n 7650526; focus parallax not to exceed 0.25 mils when viewing infinity target; the line of sight at the intersection of the reticle lines shall be parallel to the axis defined by the cylindrical surface of the tube within 0.25 military (total spread 0.50 mils) for 360 degree rotation about tube axis; resolution of the telescope shall be 15 seconds or less at one focus setting of an observation telescope of at least 3 power positioned at the exit pupil
55491 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A617TL599 Collimator, Telescop 28 EA 04/10/2017
SPE4A618T540G Collimator, Telescop 30 EA 03/09/2018

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5549108 Cross Reference