1、MIL-C-28724A (EC) AMENDMENT 1 6 December 1973 MILITARY SPEC1 FI CATION CONTROL, REMOTE SWITCHING, C-7594( )/U AND C-7595( )/U GENERAL SPECIFICATION FOR This amendment forms a part of Military Specification MIL-C-28724A( EC) dated 25 October 1973. Page 1 2.1, SPECIFICATIONS; MILITARY: Delete *MIL-I-4
2、5208-Inspection System Requirements“. Page 7 3.15.1, line 2: Delete “of this equipnent shall be 1500 hours at 5OoC ambient.“ and substitute “shall be 1500 hours at 50C for Type I units and 3000 hours at 5G“C for Type II units.“ Page 8 4.1.1 : Delete. Page 9 Table I, Requirement reference cotumn for
3、operating test: Add If ,3.14.9“. Table I, Procedure reference column for Heat test: Delete “,4.7.3“. Table I, Procedure reference column for Temperature and Humidity : Add I ,4.7.3“. Page 10 Table II, Requirement reference column for Operating test: Add I ,3.14.9“. ff Provided by IHSNot for ResaleNo
4、 reproduction or networking permitted without license from IHS-,-,-M I L - C -28 7 2 4 A ( E C ) AMENDMENT 1 Page 11 4.5.2, first sentence: Delete and substitute “halification testing shall be performed on the Type I control unit only. if the contract or purchase order does not rmiire Typt? I contro
5、l units, then qualification testing shall be performed on the Tyne II control unit. At least three production control units shall be tested to demonstrate reliability (see 6.2.1).“ accordance with 4.5.2“. flowever, 4.5.3, line 4: After “units“ insert “of the same tyne tested in Page 13 6.2.lY(c), line 2: Delete “and 4.5.3“ and substitute “throuqh 4 5.3“ . . Preparing activity: (Project 584n-!i 54) Navy-EC QU.S. GOVERNMENT PRINTING OFFICE: 1974-713150/2817 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-