1、MILITARY SPECIFICATION = INDICATOR, DIGITAL, DISPLAY: 10559241 This amendment forms a part of Military Specification MIL-I-l4868(MU), dated 2 March 1970. Page 1, paragraph 2.1: Under DRAWINGS add: “P856555 Pressure Tester, Two-Station“ Page 6, paragraph 3.3,2.5: Delete and substitute as follows: “3.
2、3.2,5 Sealing.- With the indicator initially pressurized with ni- trogen or air to 5 ? l poucds per square inch gage (psig), the loss of pressure shall not exceed 0.2 psig in 2 hours.“ Page 8, Table VII, Item 307: Delete tImmersion and substitute “Seal- ing“. Page 9, paragaph 4.5.2.2.1: Add as follo
3、ws: “4.5.2.2.: Pressure tester.- Special test equipment (STE) in accord- am. with Drawing F8565556, or equivalent, shall be provided to check the s-xiling of the 3-ndicator.“ Page lC, paragraph 4.6.5: Delete “and the tolerance requirements for v:.b.catio;s fregnancy measuring instruments shall not a
4、pply.“ Page IO, paragraph 4.6-5.1, NOTE: Delete “less than 7F“ and subeti- tut- “no great-r thar, 3OP“. Page 11, paragraph 4.6.5.2(a): Delete and substitute as follows: “Ia) Test in accordance with Method 514.1, Procedure I of MIL-STD- 823 for category (f) equipment, except that resonance search and
5、 dwell on resOiance shall not be required and the acceleration shall not exceed +4g arid She maximum excursion (double amplitude) shall be 0.5 inch.“ Page li and 12, paragraph 4.6.5.4: Delete and Substitute as follows: “4.6.5.4 Sealing.- Perform this test utilizing the STE specified in 4.5.2.2.1. Pr
6、essurize the indicator as specified in 3.3.2.5. Measure the pressure loss over a minimum per-iod of 120 minutes. quirement of 3.3.2.5 is met.“ Verify that the re- Custodian : Preparing activity: Project No. 1240-A526 FSC 1240 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
