1、 MIL-I-L4869 (I) I2 7977706 0277763 b MIL-1-14869 (MU) AMENDMENT 1 30 July 1973 MILITARY SPECIFICATION INDICATOR, COMMAND, DISPLAY: 10559201 This amendment forms a part of Military Specification MIL-1-14869 (MU), dated 2 March 1970. Page 1, paragraph 2.1: Under DRAWINGS add: “F 85 65 5 5 6 Pressure
2、Tester, Two-Station“ Page 7, paragraph 3.3.2.5: “3.3.2.5 Sealing.- With the indicator initially pressurized with nitro- gen or air to 5 & 1 pounds per square inch gage (psig), the loss of pressure shall not exceed 0.2 psig in 2 hours.“ Delete and substitute as foilows: Page 10, Table VII, Item 307:
3、Delete “Immersion“ and substitute “Sealing1. Page 11, paragraph 4.5.2.2.1: Add as follows: “4.5.2.2.1 Pressure tester.- Special test equipment (STE) in accordance with Drawing F8565556, or equivalent, shall be provided to check the sealing of the indicator. II Page 12, paragraph 4.6.7: Delete “and t
4、he tolerance requirements for vibration frequency measuring instruments shall not apply.“ Page 12, paragraph 4.6.7.1, NOTE: Delete “less than 7F“ and substitute “no greater than 3F. Page 13, paragraph 4.6.7.2(a): Delete and substitute as follows: “(a) Test in accordance with Method 514.1, Procedure
5、I of MIL-STD- 810 for category (f) equipment, except that resonance search and dwell on re- sonance shall not be required and the acceleration shall not exceed & 4g and the maximum excursion (double amplitude) shall be 0.5 inch.“ Page 13, paragraph 4.6.7.4: Delete and substitute as follows: “4.6.7.4
6、 Sealing.- Perform this test utilizing the STE specified in 4.5.2.2.1. Pressurize the indicator as specified in 3.3.2.5. Measure the pressure loss over a minimum period of 120 minutes. qUireaent of 3.3.2.5 is met.“ Custodian: Preparing octivity: Verify that the re- Army - MU Army - Mu Project No. 124014527 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
