1、h I *- r- - MIL-T-Yb333B 32 7779906 0330977 4 -5-37-03 . , 1 i. ._ / . MIL-T-46313B(MU) 10 December 1968 SUPERSEDING MIL-T-46313A(MU) 22 July 1964 MILITARY SPECIFICATION TELESCOPE, PANORAMIC: M117 1. SCOPE 1.1 This specification covers the Panoramic Telescope, M117 which employs a counter mechanism.
2、 2. APPLICABLE DOCUMENTS 2.1 The following documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this specifi- cation to the extent specified herein. S PE CI FIC AT IONS Military MIL-0-13830 MIL-F-13926 MIL-P-14232 MIL-1-45607 STANDARDS Military MIL
3、-STD-105 MIL-STD-109 MIL-STD-202 Optical Components for Fire Control Instruments; General Specification Governing the Manufacture and Inspection of Fire Control Materiel; General Specifi- cation Governing the Manufacture and Inspection of Parts, Equipment and Tools for Ordnance Materiel; Packaging o
4、f Inspection Equipment, Supply and Maintenance of Sampling Procedure and Tables for Quality Assurance Terms and Definitions Test Methods for Electronic and Electrical Inspection by Attributes Component Parts U.S. Army, Frankford Arsenal F7 660400 Telescope, Panoramic: M117 FSC 1240 n THIS DOCUMENT C
5、ONTAINS PAGES. - ._ . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L NIL-T-4b313B 12 m 7977706 0310978 b m PACKAGING DATA SHEET 7660400 Packaging of Telescope, Panoramic: M117 (Copies of specifications, standards, drawings and packaging data sheet
6、s required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 3. REQUIREMENTS 3.1 Fabrication.- The. telescope shall be manufactured in accordance with Drawing F7660400 and drawings pertaining ther
7、eto. 3.2 General specification.- The contractor shall be responsible for adherence to and compliance with the requirements of Specification MIL-F-13926 specified below. tion and this specification, this specification shall take precedence. Should any conflict exist between the general specifica- (a)
8、 Order of precedence. (b) Dimensions and tolerances. (c) inorganic protective surface finishes. (d) Electrical and electronic assemblies. (e) Part identification and marking. (f) Workmanship. 3.3 Environmental, 3.3.1 Storage temperatures.- The telescope shall show no evidence of physical failure or
9、damage subsequent to being exposed to and thermally stabilized at -80“ and +160“F. 3.3.2 Extreme operating temperatures.- The telescope shall meet the applicable requirements of 3.8.2.6 and 3.9 while exposed to and thermally stabilized at -40“ and +150“F. 3.3.3 Standard temperature.- Unless otherwis
10、e specified, the tele- scope shall meet the following requirements while exposed to and thermally staklized at a temperature between 60“ and 90F. 3.3.4 Vibration.- The telescope shall show no evidence of physical failure or damage and shall meet the following requirements, except 3.7,1.1, after bein
11、g subjected to a vibration of 30 f 5 cycles per second at an amplitude of 1/16 inch, 1/8 f 1/64 inch total excursion, for a period of 5 minutes k 5 seconds (see 3.7.1.1). 3.4 Sealing. 3.4.1 Pressure (optical system),- The entire interior area of the optical assembly shall be capable of withstanding
12、an internal pressure of 2. I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL- T- 46 3 13 B(MJ) 5 f 0.10 pounds per square inch (psi) for a period of 5 minutes with no evidence of leakage. 3.4.2 Pressure (counterbox area).- Apply an internal press
13、ure of 2.0 + .25 pounds per square inch (psi) of dry nitrogen for a period of 3 minutes to each telescope. There shall be,no evidence of leakage. 3.5 Cleanliness.- The telescope shall meet the cleanliness requirements of Specification MIL-0-13830 and there shall be no more than 2 particles of dirt v
14、isible on the reticle. excess of the area equivalent to a size 10 dig. other surfaces which interferes with observation or adversely affects image qual i ty . % The area of each particle shall not be in There shall be no dirt on 3.6 Orientation.- The requirements of 3,7 to 3.8,3.3.2 inclusive shall
15、be met with the telescope orientated in the following position: (a) (b) (c) (d) (e) (f) The main telescope tube vertical as determined by the keys on each side. The reset and 6400 mil counters indicating 3200 mils. The gunners aid counters set at zero. The line of sight horizontal. The elbow assembl
16、y centered between the swing stops within 2“. Knob 8587442 indicating INDIRECT (out of detent). 3.7 Accuracy. 3.7.1 Collimation. 3.7.1.1 Pre-vibration.- Prior to meeting the requirements of 3.3.4, the line of sight shall be perpendicular to the locating keyways within 5.0 mils. 3.7.1.2 Post-vibratio
17、n.- Subsequent to meeting the requirements of 3.3.4, the line of sight shall remain within 0.25 mil of the azimuth position established in 3.7.1.1. 3.7.2 Image tilt.- When checked at 1600 mil increments in azimuth through two full revolutions in each direction, the image of a vertical target line sh
18、all be vertical within one degree of arc. shall also be met with the elbow assembly positioned against each of the swing stops. This requirement 3.7.3 increments in azimuth through two full revolutions in each direction, the vertical reticle line shall be parallel to the image of a vertical target l
19、ine within 30 minutes of arc. the elbow assembly positioned against each of the swing stops at each azimuth setting. Parallelism of reticle and image.- When checked at 1600 mil This requirement shall also be met with 3. . Provided by IHSNot for ResaleNo reproduction or networking permitted without l
20、icense from IHS-,-,-MIL-T-46313B 12 9797906 O310980 4 M ._ - 3.7.4 Eyepiece focus.- The eyepiece focus shall be fixed between the limits of -0.75 and -1.0 diopter. 3.7.5 Parallax.- Parallax in the center of the field shall nAt exceed 0.1 mil when viewing a target at 80 meters 3. 1.0 meter. 3.7.6 Res
21、olution.- Resolution on the optical axis shall be 10.0 seconds of arc or less when using an auxiliary telescope of at least 3 power having an entrance pupil of at least 0.4 inch. Resolution shall consist of detectable line structure and proper line count in all four meridians. Variation in focus bet
22、ween meridians shall not exceed 0.25 diopters as measured at the telescope eyepiece. 3.7.7 Reticle.- The angle formed by the; graduations at the outer extremity of the reticle shall be within 0.25 mil of the value indicated on the reticle drawing. 3.8 Performance. 3.8.1 Elevation mechanism. 3.8.1.1
23、Excursion range.- Rotation of the elevation knob shall cause the line of sight to elevate and depress a minimum of 300 mils from the position specified in 3.6(d). 3.8.1.2 Plumb travel.- With the line of sight in coincidence with a vertical target line, the line of sight shall track the target within
24、 0.5 mi1 when elevated 300 mils, depressed to 300 mils, then elevated to zero elevation. 3.8.2 Azimuth mechanism. 3.8.2.1 Azimuth error.- Error at azimuth readings, taken in 800 mil increments through two full revolutions shall not exceed 1.0 mil excluding backlash. 3.8.2.2 Deflection error.- Rotati
25、ng the gunners aid knob to indicate 15 mils followed by rotation of the azimuth knob in the opposite direction (with backlash redved) to deflect the line of sight 15 mils shall cause the reset counter to return to within 0.3 mil of the original setting. This requirement shall be met with the 15 mil
26、value set into each scale and the azimuth counter indicating 3200, 4800, zero, and 1600 mils at the start of each reading. 3.8.2.3 Backlash.- Backlash in the azimuth mechanism shall not exceed 1.0 mil when read on the azimuth counter; 1.5 mils when read on the reset counter. 4. I Provided by IHSNot
27、for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.8.2.4 Level travel.- Starting with the line of sight in coincidence with a horizontal target, the line of sight shall track the target within 6.0 mils (total excursion) when rotated through two full revolutions. 3.8.2.5
28、 Lift.- Vertical displacement of the line of sight due to reversing rotation by means of the azimuth knob shall not exceed 1.0 mil. 3.8.2.6 Five mil click lead mechanism.- Positioning Knob 8587442 to indicate DIRECT shall cause a detent action to be felt when introducing 5.0 f 0.5 mil increment chan
29、ges into the 6400 mil counter. This require- ment shall be met at standard and extreme operating temperatures. 3.8.3 Counter mechanism. 3.8.3.1 Rapid traverse.- The reset counter shall follow the azimuth counter within 0.25 mil when the knob is rotated at 200 rpm for one minute. The gunners aid coun
30、ters shall remain at zero. 3.8.3.2 Reset counter.- The reset counter shall be resettable to 3200 f 0.25 mils from any reading. 3.8.3.3 Gunners aid counters. 3.8.3.3.1 Excursion range.- The gunners aid counters shall have a minimum of 50 mils excursion on the “LI and ,“R“ scales. 3.8.3.3.2 Settings.-
31、 Setting 50 mils on the IL“ scale shall decrease the reset counter reading by 50 f 0.5 mils. “RI scale shall increase the reset counter reading by 50 f 0.5 mils. There shall be no change in the azimuth counter readings when the 50 mils values are set into the gunners aid counters. Setting 50 mils on
32、 the 3.9 Operability.- The boresight adjustment shaft, rheostat knob, azimuth counter door and latch, positioning of crank, positioning of Knob 8587442, and the spring actian of the electrical contact shall be operable at standard and extreme operating temperatures. 3,9.1 Torque.- The running torque
33、 required to operate the following knobs shall be within the values specified for standard temperature and shall not exceed the values specified for extreme operating temperatures. The torque values for the azimuth knob shall be met with Knob 8587442 indicating INDIRECT (out of detent). 60“ to 90F (
34、Standard -40“ and +150“F (Extreme - Knob Temperature) Operating Temperatures) Azimuth Gunners aid Reset Counter E 1 eva t ion 2 to 6 in. - lbs, 10 to 30 in. - ozs. 5 to 10 in. - ozs. 10 to 48 in. - ozs. 9 in. - lbs. 54 in, - 02s. 18 in. - ozs. 86 in. - ozs. 5. Provided by IHSNot for ResaleNo reprodu
35、ction or networking permitted without license from IHS-,-,-MIL-T-4b313B 12 777970b 0310782 8 3.9.2 be met with the force applied horizontally and in the direction of movement, Direct force.- The following operability requirements shall 3.9.2.1 Elbow assembly.- When checked at standard temperature, a
36、 direct force of 2 to 7 pounds applied adjacent to the eyelens shall be required to rotate the elbow assembly in each direction through the full extent of travel. The force required at extreme operating temperatures shall not exceed 13 pounds. 3.9.2.2 Reset counter knob.- When checked at standard te
37、mperature, a direct force of 7 to 12 pounds shall be required to push the reset counter knob in sufficiently to permit rotation. The force required at extreme I operating temperatures shall not exceed 15 pounds. 3.9.2.3 Counter numerals.- With the lowest digit of each counter in coincidence with its
38、 respective index line, the remaining numbers shall be in horizontal alignment within one-sixteenth inch when checked at the standard ambient temperature. I 3.10 Illumination, 3.10.1 Counters.- With the lamp energized, the numerals and markings of each counter shall be clearly distinguishable when o
39、bserved in a darkened area. 3.10.2 Reticle.- With the reticle lamp energized, the reticle markings shall be clearly distinguishable when observed in a darkened area. This requirement shall be met through one full revolution of the head in azimuth. Rotation of the reticle rheostat knob shall vary the
40、 intensity of illumina- t ion. 3.10.3 Light projector.- With the light projector lamp energized, the vertical slit in the head of the telescope shall be illuminated and clearly defined over its entire length and width when observed in a darkened area. Rotation of the light projector rheostat knob sh
41、all vary the intensity of illumination. 3.11 Insulation resistance.- Insulation resistance shall not be less than 10 megohms when a potential of 100 vdc is applied. 3.12 Continuity.- The continuity of the wiring shall be checked for conformance with applicable wiring and continuity drawing requireme
42、nts. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection.- Unless otherwise specified in the contract or purchase order, the supplier is responsible for the per- formance of all inspection requirements as specified herein. Except as otherwise specified, the supplier may utilize his own
43、 facilities or any commercial laboratory acceptable to the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services cotiform +o “-Scribed requirements. 6. I Provided by I
44、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-46313B(MU) 4.1.1 General provisions,- The component and subassembly inspection re- quirements of MIL-F-13926 form a part of the Quality Assurance Provisions of this specification. MIL-STD- 109. Definitions of
45、inspection terms shall be as listed in 4.2 First article (initial production) approval.- The requirement for first article approval and the responsibility (Government or contractor) for first article testing shall be as specified in the contract. The sample for first article approval tests shall con
46、sist of three (3) telescopes plus three (3) each of all items covered by SQAP. The sample shall be manufactured in the same manner, using the same materials, equipment, processes, and procedures as used in regular production. and packing, shall be obtained from the same source of supply as used in r
47、egular production, ducting first article approval tests, the contractor, prior to submitting the sample to the Government, shall inspect the sample to insure that it conforms to all the requirements of the contract and submit a record of this inspection with the sample, including certificates of con
48、formance for materials. Contractor testing.- When the contractor is responsible for con- ducting first article approval tests, the sample shall be inspected by the contractor for all the requirements of the contract. record of this inspection, including certificates of conformance for materials, sha
49、ll be submitted to the Government for approval. The Government reserves the right to witness the contractors inspection. All parts and materials, including packaging 4.2.1 Government testing.- When the Government is responsible for con- 4.2.2 The sample and a 4.3 inspection provisions. 4.3.1 Submission of product.- Unless otherwise specified by the contracting officer, inspection lot size, lot formation and presentation of lots shall
