NAVY MIL-C-82651 (3)-1981 CARTRIDGE IMPULSE CCU-22 A ASSEMBLY《CCU-22 A型炮筒推动装置》.pdf

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1、DIL-C-82b5L (3) 13 = 7777906 0432254 4 -3 MIL-C-8 2 651 AMENDMENT 3 23 Jan 1981 SUPERSEDING 20 September 1977 c. AMENDMENT 2 * MILITARY SPECIFICATION CARTRIDGE, IMPULSE, CCU-22/A ASSEMBLY This amendment forms a part of Military Specification MIL-C-82651, dated 31 January 1977, and is approved for us

2、e by all Departments and Agencies of the Department of Defense. Page 2 2.1 After “MIL-STD-810 Envfronmental Test Methods“, Insert : * “MIL-STD-1168 Anmninftion Lot Numbering“ Insert the f ollowhg 2.1, under “DRAWINGS“ : “Naval Air Systems Command (Code Tdent 30003) 73 6AS15 9 Shear Pin“ delete “1174

3、0613 Shear Pin“ Page 3 3.4.1 Delete and substitute: * Il 3.4.1 Explosive components. All explosive components, including but not limited to ignition powders and igniters, shall be manufactured within the 12 months prior to the contract scheduled delivery date for the assembly lot. Primers shall be m

4、anufactured or requalified within the 12 months prior to the contract schedule delivery date for the assembly lot. * 3.4.2 Change I . cartridge assemblies lot.“ to I . assembly lot.“ *US. GOVERNMENT PRINTING OFFICE 1981-703-023/901 . .- Provided by IHSNot for ResaleNo reproduction or networking perm

5、itted without license from IHS-,-,-I - HIL-C-2bSL (3) 13 M 777770b 0432255 b M NL-C-82651 Amendment 3 Page 4 3.8: Delete and substitute: “3.8 Shear pin strength. Each lot of shear pins in accordance with drawing 73688159-2 shall be tested in accordance with 4.5.7. shall shear (double shear) when sub

6、jected to a load of 58 - 63 lbs applied at a rate of .125 fnches per minuts.“ Shear pins * 3.11.1: Delete and substtute: “3.11.1 Production lot designaton. The production lot number shall follow MIL-STD-1168. The construction of the lot number shall be as follows: IHM75DOQ2-OQ7 TTIT T abcd e where :

7、 a= b= c= d= e= Manufacturers Identffication Code The year of manufacture of the oldest batch of propellant in the lot. The month of manufacture of the oldest batch of propellant in the lot expressed as an alpha code fn accordance with 4.1.3 of MIL-STD-1168. Lot interfix number (controlled by Naval

8、Ordnance Station, Code 5152, Indian Head, MD 20640 or procuring activity). Lot sequence number - lot number (manufacturer is responsible for the assignment of lot numbers-) .I1 Page 6 4.4.1.2: Delete and substitute: “4.4.1.2 Vibratfon. The cartridge assembly shall be subjected to random vibration in

9、 accordance with procedure TA of Method 514.2 of MIL-STD-810 for 6 hours with 2 hours on each axis. units shall be temperature conditioned in accordance with TABLE II. input vbratory acceleration shall be in accordance with curve A of Figure 514,2 - 2A wfth a Wo factor of 0.1G2/Hz. must be removed f

10、rom the environmental conditioning chamber or if the temperature falls outside the specified temperature limits for a period of more than 5 nibutes, the testing shall be stopped and the unit shall be reconditioned. Before vtbration, The If the cartridge assembly A reconditioning time of 2 minutes fo

11、r every minute the 2. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-2651.(3) 13 m 77777b 043225b m J MIL-C-82651 Amendment 3 I unit is outside the specified temperature envelope shall be required. A continuaus temperature history of the unit

12、shall be kept for all conditioning and testing time. Unless otherwise noted, the cartridge assembly shall be mounted on a test fixture in a manner that will simulate actual catapult / sea t 1 aircraft ins talla t ion and excited through the attachment fittings. In addition to compliance with paragra

13、ph 4.5.2 of Method 514.2, the cartridge shall comply with the gun fire vibration test of Method 519.2 for those applications whereby guns are installed on the aircraft. However, if the maximum test spectrum level of the gunfire configuration is equal to or less than the-above specified test levels,

14、the gunfire vibration test is not required.“ Page 10 4.5.7, line 3: (double shear) “. Delete “41 f 5 lbs“ and substrtute “58 - 63 lbs Page 13 6.4.2, line 4: Delete “from 6 inches before to 6 inches after separation“ and substitute “from separation to 12 inches after separation.“ Page 15 6,11, line 1

15、: Delete “rocket catapult“ and substitute “cartridge assembly “ . Marginal notation. The margins of this amendment are marked with an asterisk to indicate wherechanges (additions, mociifications, corrections, deletions) from the previous issue were made. This was done as a conven-, ience only and th

16、e Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of the document based on the entire content irrespective of the margfnal notation and relationship ta the last previous issue. Custodian: NAVY - OS AIR FORCE - 99 Preparing Activity : NAVY - OS Pro j ect Number : 1377-0712 . . 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-