1、MIL-P-ibL7 L2 777770b 0322333 5 - MIL-P-48619 (AR) 30 April 1979 MILITARY SPECIFICATION PERISCOPE, TANK: M32CE1 This specification is approved for use by the U.S. Army Armament Research and Development Command, and is available for use by all Departments and Agencies of the Department of Defense. 1.
2、 SCOPE 1.1 This specification covers one type of combination passive- daylight tank gunners periscope designated Periscope, Tank: M32CE1. The periscope is a part of the fire control system in the 165MM Gun, Combat Engineering Vehicle: M728 and is used for day and night sighting and observing. 2. APP
3、LSCABLE WCUMENTS 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 specification to the extent specified. SPECIFICATIONS Mil i tar y MIL-F-13926 MIL-P-14 232 MIL-1-45607 MIL-E-48441 MIL-B-50645 MIL-H-48620 Fire Control Mate
4、riel: General Specification Governing the Manufacture and Inspection of Parts, Equipment and Tools for Army Materiel, Packaging and Packing of Inspection Equipment, Acquisition, Maintenance and Disposition of Elbow Assembly, Passive: 11733401 Body (Daylight) Assembly: 10516576 Head Assembly:,r 10 lb
5、-ins at extreme temper- atures of -40 and +15O0F: Diopter movement - Daylight and Pascive.-The running torque required to rotate the daylight diopter movement through a minimum range of minus 3.0 to plus 3.0 diopters and the passive diopter movement through a minimum range of minus 4.0 to plus 4.0 3
6、.5.2 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-48bL7 LE! 9 7777706 0322334 O 9 - MIL-P-4 8 6 19 (AR) diopters shall be within the limits of 1.5 and 6.0 lb-ins when checked at standard ambient temperature. When checked at the temperature
7、 conditions specified in 3.4.2, the running torque shall not exceed 15 lb-ins. 3.5.3 Focusing mechanism - Passive.-The running torque required to rotate Ring 11733436 through the range specified in 3.8.7 shall be within the limits of 4.0 and 14.0 lb-ins when checked at standard ambient temperature.
8、When checked at the temperature conditions specified in 3.4.2, the running torque shall not exceed 24.0 lh-ins. 3.5.4 Disengagement of boresight knob locks - Daylight and Passive.-The direct force required to disengage each boresight knob from the lock position shall be within the limits of 2.0 and
9、5.0 pounds (lbs) when checked at standard ambient temperature. When checked at the temperature conditions specified in 3.4.2, the direct force shall not exceed 9.0 lbs. 3.5.5 Rotation of boresight knobs - Daylight and Passive.-The runninq torque required to rotate each boresight knob through the tra
10、vel-range speccfied in 3.8.3.1.1 and 3.8.3i1.2 respectively, shall be within the limits of 0.5 and 5.0 lb-ins when checked at standard ambient temperature. When checked at the temperature conditions specifiedsin 3.4.2, the running torque shall not exceed 8.0 lb-ins. 3.5.6 Shutter lever and on-off sw
11、itch - Passive.-The torque required to rotate the shutter from the off to on position shall be within the limits of 4.5 to 6.5 lb-ins when checked at standard ambient temperature. When checked at the temperature conditions specified in 3.4.2, the torque shall not exceed 10 lb-ins. Gain adjust and re
12、ticle - brightness control - Pass-.- This requirement shall be met at standard ambient temperature and the temperature conditions specified in 3.4.2. Knob MS91528-OE1B shall be manually operable through the full limits of the rheostat. FZ.-This requirement shall be met . with a 10 lb-ins torque appl
13、ied to the locking screw on Housing 11727432. When checked at standard ambient temperature and the temperature conditions specified in 3.4.2, there shall be no rotation of Eccentric 8205635 when a 48 ounce-i,.nches (oz-ins) torque is applied to the eccentric. 3.5.7 3.5.8 4 Provided by IHSNot for Res
14、aleNo reproduction or networking permitted without license from IHS-,-,- MIL-P-48619 (AR) 3.5.9 Objectivefocusing mechanism - Daylight.-This requirement shall be met-with the locking screw backed off a minimum of two full revolutions from the locked position established in 3.5.8. The running torque
15、requirea to rotate Eccentric 8205635 through a minimum of one full revolution in each direction shall not exceed 30 oz-ins when checked at standard ambient: temperature. When checked at the temperature conditions specified in 3.4.2, the running torque shall not exceed 50 oz-ins. 3.6 Vibration/Shock.
16、 3.6.1 Vibration “A“.-This requirement shall be met with the image intensifier tube and reticle projector lamp energized by the application of +24 4 6.0 VDC to Contact 11733497 (Reference Drawing 11733401). The vibration input to the periscope shall be at the interface of the periscope and mount. Vi
17、bration shall be applied along each of three mutually perpendicular axes of the periscope. The vibration shall be sinusoidal as follows: a. At a frequency of 5 Hertz (Hz) , the acceleration shall be .5G - t 10%. b. During a frequency sweep of 5 to 9 HZ, increase acceler- ation linearly from .5G to 1
18、.5Gls - + 10%. C. During a frequency sweep of 9 to 500 Hz, maintain constant d. During a requency sweep of 500 to 9 Hz, maintain constant e. During a frequency sweep of 9 to 5 Hz, decrease acceler- - f. At 5 Hz, the acceleration shall be .5G 5 10%. acceleration of 1.5Gs 5 10%. acceleration of 1.5Gs
19、2 10%. ation linearly from 1.5Gs to .5G 5 10%. The frequency of applied vibration shall be swept logarithmically in 15 minute 2 1 minute sweep cycles for a total of two hours per axis. There shall be no failure or flicker of light emission from the image intensifier tube nor the reticle projector la
20、mp during vibration and the periscope shall show no evidence of physical failure subsequent to vibration. Following the vibration test, the periscope shall meet the requirements of 3.8.3.2, 3.8.4.1, 3.8.9, 32, 3.1, 3.7 and then each module (see 3.1) shall meet their own respective post-vibration tes
21、t requirements. 3-8.2, 3.8.3.1.11 3.8.3.1-2, 3.8.5, 3.8.6, 3.8.6.1, 3-8-71 3-8.8, 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-48619 (AR) 3.6.2 Vibration “B“.-This requirement shall be met with the image intensifier tube and reticle projec
22、tor lamp energized by the application of +24 + 6.0 WC to Contact 11733497 (Reference Drawing 11733401). The vibration input to the periscope shall be at the interface of the periscope and mount. Vibration shall be applied along each of three mutually perpendicular axes of the per iscope. The vibrati
23、on shall be sinusoidal as follows: a. At a frequency of 5 Hertz (Hz) , the acceleration shall be b. During a frequency sweep of 5 to 500 Hz, maintain constant C. During a frequency sweep of 500 to 5 Hz, maintain constant d. At 5 Hz, the acceleration shall be 1.OG $: 10%. acceleration of 1.OG 5 10%.
24、acceleration of 1.OG 5 10%. The frequency of applied vibration shall be swept logarithmically in 15 minute + 1 minute sweep cycles for a total of 15 minutes f. 1 minute aloEg each of the three mutually perpendicular axes (total vibration time 45 minutes + 3 minutes). There shall be no failure or fli
25、cker of light emission from the image intensifier tube nor the reticle projector lamp during vibration and the periscope shall show no evidence of physical failure subsequent to vibration. Following the vibration test, the periscope shall meet the requirements of 3.8.3.2, 3.8.4.1, 3.8.9, 3.8.2, 3.8.
26、3.1.1, 3.8.3.1.2, 3.8.5, 3.8.6, 3.8.6.1,. 3.8.7, 3.8.8, 3.2, 3.1, 3.7 and then each module (see 3.1) shall meet their own respective post-vibration test requirements. 3.6.3 Shock.-This requirement shall be met with the image intensifier tube and reticle projector lamp energized by the application of
27、 +24 -b 6.0 VDC to Contact 11733497 (Ref. Dwg. 11733401). The shock input to the periscope shall be at the interface of the periscope and mount. The periscope shall be subjected to 24 cumulative shocks consisting of three each at 35 GIs + lo%, then 20 GIs + 10% applied in each direction along each o
28、f the two mutually perpendicular horizontal axes (all four sides). The shock pulse shall have a half sine wave with a time duration of 3 5 .2 milli-seconds. The periscope shall also be subjected to six cumulative shocks consisting of three each at 35 Gs + lo%, then 20 GIs + 10% applied in one direct
29、ion along the vertical-axis (normal operating position of periscope only). The shock pulse shall have a 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-P-LIbLS 12 M 7779906 0322337 b . .- MIL-P-48619 (AR) half sine wave with a time duration of
30、18 + 3 milli-seconds. Subsequent to shock, there shall be no failure or flicker of light emission from the image tube nor the reticle projector lamp. The periscope shall also show no evidence of physical failure Following the shock test, the periscope shall meet the requirements 3.8.6, 3.8.6.1, 3.8.
31、7, 3.8.8, 3.2, 3.1, 3.7 and then each module (see 3.1) shall meet their own respective post-shock test requirements modular units shall meet the following requirements: fingerprints, condensates, fractures and adhesive separations on any glass component when viewing through either end of each module
32、 (including the unity power system). Of 3.8.3.2, 3.8.4.1, 3.8.91 3c8.2, 3.8.3.1.1, 3.8.3.1.2, 3-8-51 3.7 Cleanliness.-With the periscope disassembled, the three a. Defects.-There shall be no evidence of moisture, grease, b. Dirt. (1) Body assembly (Daylight) .-When viewed through the eyepiece shall
33、be no more than three dirt particles appearing within a 50 mil diameter central field of view. There shall be no more than three dirt particles appearing outside the specified field of view. The angular separation between dirt particles shall be at least 1s mils. Dirt particles smaller than 1/4 reti
34、cle line width shall be ignored regardless of distribution. The size of any particle shall not exceed the apparent width of the reticle line. (2) Elbow assembly (Passive) .-When viewing through the eyepiece with the image intensifier tube energized, there shall be no more than five particles visible
35、 on the screen surface. The size of any particle shall not exceed the apparent width of the reticle line. (3) Head Assembly.-There shall be no more than three particles of dirt r foreign material (classed as dirt) on any glass component. The size of any dirt particle shall not exceed 0,05 inch. 3.8
36、Perf ormance. 3.8.1 Orientation. a. Datum Plane “W“ (Ref. Dwg. 11747441) defined by the three mounting pads in a vertical plane. Datum Plane Yii (Ref. Dwg. 11747439) on a horizontal plane. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-8 Provided
37、by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-486 19 (AR) b. Deflection knob travel.-The boresight knob shall provide a minimum travel of 6.5 mils in each direction from the collimated setting of 3.8.3a. c. Line of sight variation.-Variation in the li
38、ne of sight in elevation, as the deflection knob is rotated by at least 6.5 mils in each direction from the collimated settipg of 3.8.3a, shall not exceed 0.1 mil (total variation not to exceed 0.2 mil). 3.83.1.2 Passive viewing area. a. Elevation knob. travel,-The boresight knob shall provide a min
39、imum travel of 6.5 mils in elevation and depression from the collimated setting of 3.8.3a. minimum travel of 6.5 mils in each direction from the collimated setting of 3.8.3a. b. Deflection knob travel.-The boresight knob shall provide a 3.8.3.2 Post-Vibration/Post-Shock Collimation.-The original col
40、limation settings established in 3.8.3.1 shall not deviate more than 0.3 mil (including fixture error) as observed through the eyepiece subsequent to meeting requirements of 3.6. 3.8.4 Collimation repeatability. 3.8.4.1 Assembling daylight body and passive elbow to head assembly,-The daylight body a
41、nd passive elbow -blies shall be capable of repeating an original line of sight within 0.20 mil when removed and reinstalled (a minimum of 3 times) into the head 3.8.5 Image-tilt - daylight and passive.-The image of a target line which is originally parallel to Datum Plane “Yir shall emerge from the
42、 eyepiece to this same surface within 2.0 degrees of arc. 3.8-6 Parallelism of reticle and image, passive.-The image of a target line originally parallel to Datum Plane “Yhall be parallel to the horizontal reticle line within 2.0 degrees of arc. 9 - - Provided by IHSNot for ResaleNo reproduction or
43、networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-48619 (AR) 3.9 First Article Inspection,-This specification contains technical provisions for first article inspection. Requirements for the submi
44、ssion of first article samples by the contractor shall be as specified in the contract. 3.10 Workmanship.-The periscope shall meet the workmanship requirements of MIL-F-13926 and .applicable specifications as cited on Drawing 11747440. The optical surfaces shall be free of scratches and blemishes wh
45、ich may affect their optical qualities or appearance. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection,-Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwi
46、se specified in the contract or order, the supplier may utilize his own or any other facilities suitable for the per- f ormance of the inspection requirements specified herein, unless disapproved by the Government. In addition, the Government reserves the right to perform any of the inspections set
47、forth in the speci- fication where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 General provisions.-The component and subassembly inspection requirements of MIL-F-13926 form a part of the quality assurance provisions of this specific
48、ation. Definitions of inspection terms shall be as listed in MIL-STD-109. 4,2 Classification of Inspections.-Unless otherwise specified herein or in the contract, the following types of inspection shall be conducted on this item: a. First Article Inspection b. Quality Conformance Inspection 4.3 F4rs
49、.t Article Inspection. 4.3.1 Submission.-The contractor shall submit a first article sample as designated by the contracting officer or evaluation in accordance with the provision of 4.3.2, the sample for first article approval tests shall consist of three Unless otherwise specified, 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
