1、MIL-B-60133 (AR) AMENDMENT 5 1 April 1988 SUPERSEDING AMENDMENT 4 28 April 1972 MILITARY SPECIFICATION BODY ASSEMBLY, TANK PERISCOPE: 10513620 This Amendment forms a part of Military Specification . MIL-B-60133 (MU), dated 22 January 1965, and is approved for use within the U.S. Army Armament, Munit
2、ions and Chemical Command, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 2.1, DRAWINGS: Add: ID7560124 Millidioptometer, 20X“. 2.1, STANDARDS: Add: “MIL-STD-810 Environmental Test Methods“. 3.3.2: Delete in its entirety and substitute: “3.3.2 Riqidity.
3、 The catches shall be capable of securing the body assembly rigidly (no apparent separation) against the locating surfaces of head and mount with which it is intended to be used, when vibrated successively along 3 mutually perpendicular axes. Vibration shall be a simple harmonic motion, the frequenc
4、y varying either linearly or logarithmically from 5 to 44 to 5 cps in 5-minute cycles for a total of 15 minutes along each of the axes. The amplitude of vibration shall be maintained constant at 1/64-inch (1/32-inch total excursion). Subsequent, the body assembly shall meet all the requirements here
5、in.“ 3.6: Delete last sentence and substitute: “The incident line of sight shall also emerge parallel to a plane, defined by the 2-inch-long shoulder (generated by the machining of the two pads) adjacent to Valve Assembly-8201751, within 45 minutes of arc. I AMSC N/A 1 of 5 FSC 6650 DISTRIBUTION STA
6、TEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-bOL33 (5) 66 779770b OL42583 W MIL-B-60133 (AR) AMENDMENT 5 PAGE 3 3.7: Delete in its entirety and substitute: “3.7 Image tilt. Th
7、e image of a target line originally perpendicular to a plane, defined by the 2-inch-long shoulder (generated by the machining of the two pads) adjacent to Valve Assembly 8201751, shall emerge perpendicular to the same plane within 45 minutes of arc.“ Add the following new paragraph: “4.1.2 First art
8、icle (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 consist of three body assemblies plus three each of all
9、items covered by QAP. manufactured in the same manner, using the same materials, equipment, processes, and procedures as used in regular production. All parts and materials, including packaging and packing, shall be obtained from the same source of supply as used in regular production. The sample sh
10、all be 4.1.2.1 Government testinq. When the Government is responsible for conducting 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
11、 inspection with the sample, including certificates of conformance for materials. 4.1.2.2 Contractor testing. When the contractor is responsible for conducting first article approval tests, the sample shall be inspected by the contractor for all the requirements of the contract. inspection, includin
12、g certificates of conformance for materials, shall be submitted to the Government for approval. The Government reserves the right to witness the contractors inspection. I The sample and a record of this 2 -7 ,- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
13、 IHS-,-,-MIL-B-60133 (AR) AMENDMENT 5 PAGE 6 4.5.2.2: Delete in its entirety and substitute: “4.5.2.2 Rigidity. Standard vibrating equipment shall be utilized for this test. The vibrating machining shall be equipped with means to secure a holding fixture as shown in Figure I. fixture by means of the
14、 catches (see Figure I). be performed in accordance with Method 514, Procedure IX, Part I of MIL-STD-810 except that the vibration condition in 3.3.2 and the conditions as specified herein shall apply. The body assembly under test shall be vibrated along three mutually perpendicular axes while the b
15、ody assembly is maintained immobilized in the holding fixture. applied vibration shall be monitored at the extreme bottom portion of the body assembly as positioned in the fixture. During vibration, check rigidity of the body assembly in the holding fixture using a stroboscope to produce the optical
16、 effect of stopping the vibration motion to determine rigidity at the locating and mating surfaces. The body assembly shall remain secure against the holding fixture receiving surfaces to assure conformance with the requirements of 3.3.2. At the conclusion of this test, the body assembly subjected t
17、o the examination specified in 4.5.2.2.1. Attach and clamp the body assembly in the holding The test shall The amplitude of the Add the following new paragraph: “4.5.2.2.1 Examination (post vibratory exposure). Subsequent to the rigidity (vibration) test, the body assembly shall be examined for any
18、evidence of physical failure such as; a visual examination shall be made for casting failure, glass breakage, missing or damaged parts. A functional check of the catches shall be made to determine that the body assembly is clamped securely in the holding fixture, when the catches reach their apex an
19、d are fully closed. Body assemblies that have satisfactorily passed the aforementioned examinations shall then be tested for and meet all the other requirements of this specification. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-60133 (5)
20、66 m 7777706 01g2585 1 W NIL-B-60133 (AR) AMENDMENT 5 4.5.5: Delete in its entirety and substitute: “4.5.5 Liqht deviation. This test shall be performed The utilizing an auxiliary telescope, containing a horizontal and vertical reticle line, mounted on a supporting device. device shall be capable of
21、 holding the telescope and body assembly in a position permitting an incident line of sight to be directed from a calibrated target in a collimator projector, through the body assembly to the auxiliary telescope. Utilize the vertical surface of the 2-inch shoulder adjacent to the valve assembly to c
22、entrally position of the body assembly in the device with the machined top surfaces of the pads on the same plane with the line of sight through the telescope. target pattern shall consist of a horizontal and vertical crossline with limit marks 45 minutes from the intersection of the crossline. Limi
23、t marks shall also be added in each quadrant, offset 45 minutes of arc from the horizontal crossline, to subsequently measure tilt. projector shall be positioned in front of the body assembly with the center vertical line of the target in a plane parallel to a plumb line and on the same plane with t
24、he vertical surface of the 2-inch shoulder adjacent to the valve assembly. The auxiliary telescope reticle line shall be adjusted parallel to a plumb line. With the body assembly installed in the device, the line of sight shall be determined by viewing through the telescope and observing coincidence
25、 between the intersecting point of the auxiliary telescopes reticle and the corresponding intersecting point of the collimator line. This coincidence must be maintained within the limits of the tolerance line of the collimator target to assure conformance with the requirement outlined in 3.6.“ The T
26、he collimating PAGE 7 * FIGURE 1, Rigidity holding fixture, Delete dimensions “2.373 and .251“ and substitute “2.50 and .350“ respectively. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-60133 (5) 66 7797906 0142586 3 = MIL-B-60133 (AR) AMEN
27、DMENT 5 PAGE 8 4.5.7: Delete in its entirety and substitute: “4.5.7 Spherical power. Spherical power shall be checked in accordance with the Set-up and operating instructions outlined on Dwg. D7560124. The test equipment shall conform to Dwg. 7560124, except that the target (Resolving power chart) s
28、hall contain four line sets as shown in Figure I of MIL-0-13830. Sherical power at any point in the scanning area shall not exceed the tolerance (milliodiopter) specified in 3.8, as measured on the millidiopter scale.“ 4.5.8: Delete in its entirety and substitute: “4.5.8 Astigmatism. Perform this te
29、st utilizing the test procedure in 4.5.7. Astigmatism at any point in the scanning rea shall not exceed the-tolerance (millidiopter ) specified in 3.9, as measured on the millidiopter scale.“ PAGE 9 6.2: Add: “(e) Requirement for first article testing.“ *The margins of this amendment are marked with
30、 an asterisk or vertical lines to indicate where changes (additions, modifications, corrections, 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 a
31、re cauti0ned.t-o evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. Custodian: Army-AR Preparing activity: Army-AR (Project 6650-Al63) 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
