1、e- -h MIL-N-22239C (AS) Amendment -1 i5 January i970 MILITARY SPECIFICATION NAVIGATIONAL SET , TACAN AN/ARN-52 (V) This amendment forms a part of Military Specification MIL-N-22239C(AS) dated 1 December i967 and has been approved of the Navy. by the Naval Air Systems Command, Department Page 3, para
2、graph 3.3.2.4: Add “RT-(*)/ARN-52(V)“ Page 16, paragraph 3.5.1: Delete and substitute “3.5 .1 Receiver-Transmitter - The RT-384/ARN-52(V) , RT-( *) /ARN-52(V) and RT-893/ARN-52(V) receiver-transmitter units shall meet the following requirements .I1 Page 17, paragraph 3.5.1.2: Delete and substitute “
3、3.5.1.2 Form Factor - The form factor of the RT-893/ARN-52(V) , RT-384/ARN-52(V) and RT-(*)/ARN-52(V) receiver- transmitters shall comply with Figues 1, A and 1B respectively.“ Page 17, paragraph 3.5.1.3: Delete and substitute “3.5.1.3 Weight - The weight of the receiver-transmitter shall not exceed
4、 43.25 pounds, except that the RT-(*)/ARN-52(V) shall not exceed 46.25 pounds, I Page 21: Change paragraph number 3.5.1.8 to 3.5.1.7.1, and add “3.5 .i. 8 Receiver-Transmitter - RT-( *)/ARN-52(V) shall be identical to RT-384/ARN-52(V) (paragraph 3.5.1) except as follows: 3.5.1.8.1 Contents - Receive
5、r-transmitt er RT-( * ) /ARN-52 (V) shall , in addition to modules of paragraph 3.5.1.4 , contain the . following : (1) A basic module-supporting double-walled structure , containing a harness and acting as a cooling air piem. FSC 5826 Provided by IHSNot for ResaleNo reproduction or networking permi
6、tted without license from IHS-,-,-MIL-N-22237C (1) 58 W 7777706 OLI58500 2 W MIL-N-22239C (AS) Amendment -1 (2) A step-down transformer for 115/26 VAC instrument phase. (3) A tone transformer to isolate the ground on the identifier utput of the Range Decoder Module. (4) Wiring and electronic compone
7、nts contained in Mount MT-l729/AFU?-52(V) (5) In addition to (1) through (4) above, components necessary to achieve interchangeability in form, fit and function (with additional capabilities ) with the RT-471/ARN-65, and requiring no modifications to aircraft wiring or instrumentation.“ Page 27: Add
8、 “3.5.8 Mounting MT-2091/ARN-65(V) - A vibration and shock-absorbing mounting MT-2091/ARN-65() shall be provided for the RT-(*)/ARN-52(V) receiver-transmitter with a form factor as shown on figure 1B. Its loaded height shall not exceed 1.50 inches. The allowable sway space shall be as shown on figur
9、e 5C. Weight - The weight of the MT-2091/ARN-65(V) 3.5.8.1 mounting shall not exceed 2.25 pounds.“ Page 39, paragraph 6.7: Add I or or Receiver-Transmitter RT-( #) /AFS?-52(V) 3.5.1.8 Mounting -2091/ARN-65 ( V) 3.5.8“ Pro je& Number 5826-NO70 Preparing activity: NAVY - AS 2 Provided by IHSNot for Re
10、saleNo reproduction or networking permitted without license from IHS-,-,-MIL-N-22237C (2) 58 = 7797706 0456502 4 W _ P t MIL-N-22239C (AS u Amendment -1 Y 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-c: “3 L MIL-N-22237C (1) 58 W 97797ab OLt58502 b x I I : I I I I I I LL .I -.- MIL-N-22239C (AS) Amendment -1 e m n 8 w al o a a CA h a 3 CA V In ,-. 4 r?r U. S. GOVERNMENT PRINTING OFFICE: IWO -393-094/5.4 190 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
