ARMY MIL-T-60895 (5)-1983 TELESCOPE PANORAMIC M117A1《M117A1型全景望远镜》.pdf

1、c 9999906 - 0343936 7 MIL-T-60895 (AR) AMENDMENT 5 20 October 1983 SUPERSEDING AMENDMENT 4 17 September 1974 MILITARY SPEC I FI CAT I ON TELESCOPE, PANORAMIC: M117A1 This Amendment forms a part of Military Specification MIL-T-60895 (MU) , dated 19 April 1968, and is approved for use by the U.S. Army

2、 Armament Munitions and Chemical Command, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 3 Paragraph 3.7.2: Delete “one degree“ and substitute “two degrees“. PAGE 4 Paragraph 3.7.7: Delete in its entirety and substitute the follow i ng : “3.7.7 Reticle ac

3、curacy. - The angular separation between the two 40 mil graduations on the horizontal axis shall be plus or minus 0.5 mil. 3.7.8 Image Wander. - The wander of the reticle image measured at the eyepiece shall not exceed two degrees in diameter for two (2) complete revolutions of the head assembly. In

4、 addition, the 70 MIL reticle graduation on either side shall be visible throughout the revolutions of the head. This requirement shall also be met with the elbow assembly positioned against each of the swing stops.“ Paragraph 3.8.2.5: Delete “1.0 mil“ and substitute 2 mils“. PAGE 5 Paragraph 3.9.1:

5、 Change inch ounce readings as indicated below: “10 to 36“ in lieu of “10 to 30“ Ii60“ in lieu of 54“ “10 to 36“ in lieu of “5 to 10“ . 114611 in lieu i11811 “3 to 48“ in lieu of “10 to 48“. FSC 1240 1 of 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS

6、-,-,-MIL-T-60895 (5) 32 II 7997906 0343737 9 MIL-T-60895 (AR) AMENDMENT 5 PAGE 6 Paragraph 3.9.2.2: Delete “4 to 7 pounds“ and substitute “7 to 12 Paragraph 3.10.3: Delete in its entirety. pounds“. Delete “13 pounds and substitute “15 pounds“. Table I: Delete 128. PAGE 12 Paragraph 4.7.2.1.8: Delete

7、 in its entirety and substitute the following : “4.7.2.1.8 Reticle accuracy .- Angular separation between the two 40 mil graduations may be determined by aligning one of the panoramic telescopes 40 mil graduation to the corresponding mark of the projected reticle or wall target. This alignment may b

8、e attained by activating the elevation and azimuth knobs. Observe coincidence between the other 40 mil graduation of the panoramic telescope and the corresponding mark of the projected reticle or wall target. This coincidence must be within the limits of 3.7.7.“ 4.7.2.1.9 Image Wander. - With the pa

9、noramic and fixture positioned as oxlined in 4.7.1, align the auxiliary telescopes optical axis to the panoramics optical axis. With these points in coincidence, by means of the azimuth knob, rotate the head two full revolutions. The coincided points must not spread more than the limit specified in

10、3.7.8. Use the two degree circle of the Auxiliary Telescopes Reticle when measuring Image Wander. PAGE 15 Paragraph 4.7.2.5, first sentence: Delete 3.10.3. Second The margins of this amendment are marked with an asterisk or vertical lines to indicate where changes (additions, modifications, correcti

11、ons, deletions) from the previous amendment were made. This was;done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. sentence: Delete all after “bright“. Cu stod i an : Army-AR i t Preparing activity: Army-AR . (Project 1240-A812) 2 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-