1、MIL-C-8524A 67 W 7779706 0373727 4 W 28 NOVEMBER 1084 SUPERSEDING MIL-C-85248 (AS) 12 July 1979 MILITARY SPECIFICATION CAMERA, STILL PICTURE, PANORAMIC, KA-99A This specification is approved for use by the Naval Air Systems Command, Department of the Navy, and is available for use by all Depart- men
2、ts and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope, This specification covers the requirements for the KA-99A type of +inch (127mm) panoramic camera, herein referred to a6 the camera. . 2. APPLICABLE DOCUMENTS 2.3. Governnent documents 2.1.1 Specification, standards, and handbooks. Wnl
3、ess otherwise specified, the following specifications, standards, and handbooks of the issue listed in that issue of the Department of DefenseIndex of Speeifications and Standards (DoDISS) specified in the solicitation form a part of this specification to the extent specified herein. Beneficial comm
4、ents (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addreased to: Commanding Officer, Neval P.Ir F,r?gineering Center, Engineering Specifications and Standards Department (ESSD) code 93, Lakehurct, NJ 08733, by using the self-a
5、ddressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. 1 1 FSC 6720 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-852iA 67 W 99779Ob O373928 b SPECIFICATIONS FEDERAL PPP-B-621
6、 MILITARY MIL-T-27 MIL-P-116 MIL-C-675 DOD-D-1000 MIL-W-5088 MIL-E-5400 MIL-E-5558 MIL-M-7793 MIL-M-9868 MIL-M-13508 MIL-N-18307 MIL-C-24308 MIL-M-3 851 O MIL-C-39006 Boxes, Wood, Nailed and Lock Corner. Transformer and Inducter (Audio, Power, and High Power Pulse, General Specification for. Preserv
7、ation-Packing, Methods of. Coating of Glass Optical Elements (Anti-Reflection) . Drawing, Engineering and Associated List. Wiring, Aerospace Vehicle. Electronic Equipment, Aerospace, General Specification for. Enamel, Wrinkle-Finish for Aircraft Use. Meter, Time Totalizing. Microfilming of Engineeri
8、ng Documents, 35mm Requirements for . Mirror Front Surface Aluminized for Optical Elements. Nomenclature and Identification for Electronic, Aeronautical, and Aeronautical Support Equipment, Including Ground Support Equipment. Connectors, Electric, Rectangular, Miniature Pol other than microelectroni
9、c devices, shall be obtained as specified in MIL-E-5400 and MIL-STD-965# Procedure I. The contractor shall prepare requests for approval of noristandard parts and to proposed additions to an approved Program Parts- Selection List (PPSL) (see 6.2-2). “Microelectronic deviaes.shal1 be approved as spec
10、ified in MIL-STD-965, .except that the dual source and interchangeability requirement shall not apply. Approval as a nonstandard part shall not be required for devices which meet the criteria of being listed in MIL-STD-1562r availablt from at least two sources which are listed in the QPL of MIL-M-38
11、510, and procured to the requirements of MIL-M-38510 from a qualified source. 3.2.5.1 Samples for parts and materials approval, The sample recjuire- ments for nonstandard parts and materials shallbe in accordance with MIL-E-5400. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted
12、 without license from IHS-,-,-I - u lh 4- . n O u I nn O0 UU .s 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-8524A 67 W 777770b 0373733 T . I 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
13、 MIL-C-8524BA 67 m 7777706 0373734 3 m , MIL-C-85248A(AS) 3.206 Microelectronic modular assemblies, When used, micro- electronic modular assemblies shall meet the requirements of MIL-STD-965. Conformal coatings, encapsulants, embedments, or potting materials used with modular assemblies containi
14、ng integrate6 circuits and discrete parts shall be easily removable without damage to the assembly. 302.7 Modules. The electronic portions of the camera shall be modular- ized to the greatest extent possible in accordance with MIL-STD-2086. 3.2.8 Non-repairable subassemblies, When used, non-repairab
15、le subassemblies shall be in accordance with MIL-E-5400 and MIL-STD-2084. 3.2.9 Dissimilar metals. Unless protected against electrolytic corrosion, dissimilar metals shall not be used in intimate contact with each other. 3.2.10 Screw threads, Screw threads used in the construction of the camera shal
16、l be in accordance with,FED-STD-H28. 3.2.11 Lockinq devices and lock washers. Screw threaded assemblies subject to loosening by vibration shall be provided with locking devices or lock washers in accordance with MIL-E-54O . - 3.2,12 Protective treatments. When materials are used in the conhtruc- env
17、ironmental conditions likely to occur during service usage, the mat als shall be protected against such deterioration in a manner that wi R tion of the camera that are subject to deterioration when exposed to no way prevent compliance with the performance requirements specified herein. The use of an
18、y protective coating that will crackc chip, or scale with age or extremes of environmental conditions shall be prohibited. 3.3 Desian. The camera shall be designed to be mounted in the Tactical Air Reconnaissance Pod System (TARPS) utilizing the KA-99A cradle assembly, Naval Avionics Center Drawing
19、1213AS140. The mounting locations and center of gravity of the camera shall be in accordance with FIGURE 1. The camera shall be designed to operate in conjunction with the AN/ASQ- 172A Data Display Set, and the C-10491 Control Indicator-Power Distribution Unit, applicable requirements of MIL-E-5400
20、for design. The camera design shall be in accordance with the 3.3.1 Weapon replaceable assemblies (WRAs), The camera shall be modular iidesign. The camera shall be separated into two WRAs, The camera WRAs shall be the camera body and magazine assembly (with supply and take-up cassettes installed) an
21、d the camera electronics assembly. The magazine assembly shall be capable of being removed rom the camera body or the purpose of performing scheuled and unscheduled maintenance. The WRA design shall be such that any WRA, Shop Replaceable Assembly (SRA)r or sub-SRA may be functionally inspected at th
22、e intermediate maintenance level. All necessary adjustments, alignments, and calibrations shall be accomplished at the intermediate maintenance level to eliminate the need 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-C-52LIdA 67 H 777770b
23、0373735 3 for adjustments, alignment, and calibration at the organization maintenance level. Suitable test points shall be incorporated into the WRA design to eliminate the need for extender devces, such as extender cards, cables, etc., at all maintenance levels. include the requirements for modular
24、ization and standardization as specified in MIL-STD-2084. The WRA design shall be such that fail detection and isolation shall be accomplished at the intermediate maintenance level without the need to use maintenance-assist modules during repair operations. in accordance with MIL-STD-2084. U The WRA
25、 design shall Definitions for WRA, SRA, and Sub-SRA shall be 3.3.2 Built-in-test (BIT) . BIT provisions shall be designed to detect major voltage levels, timing, phase, input/output tolerance requirements, and film jamming. Automatic Exposure Control (AEC), range servo, and Forward Motion Compensati
26、on (FMC). by either automatic or manual BIT initiation shall be indicated by the use of latching indicators that shall be visible to maintenance personnel upon gaining access to the camera compartment. The design of BIT shall be such that initiation of BIT can be acco plished from either the camera
27、or from a remote location by appropriate signal input as specified in 3.9.1.1.5. A failure or degraded condition in the camera shall be indicated by a 28VDC output signal for each indicator at one of the camera external connectors. shall be capable of supporting a 500 milliamperes (ma) load. 3.3.2.1
28、 auxiliary test devices or Peculiar Ground Support Equipment (PGSE) at the organizational level or the performance of WRA fault detection or fault isolation. BIT provisions shall be added to an item for the sole purpose of inspecting the item. in design and operation, accurate to within plus or minu
29、s two percent of the measured parameter, easily maintained, and shall not degrade the performance of the item in which the circuitry is incorporated. Failure of the BIT circuitry shall not cause a failure of the camera with which it is associated. BIT provisions shall provide optimum convenience of
30、use and operation. The design of controls and readout devices shall be such that the controls and readout devices can.be easily used and interpreted by low-skill military personnel at the E-4 level. BIT provisions shall be designed to automatically provide fault information in a manner which will mi
31、nimize the need or referrals to instruction and maintenance handbooks and through the self-check feature, improve the camera readiness (availability) . The BIT shall test the scan servo, A camera failure or degraded condition detected by The 28VDC signal * BIT features. BIT features shall eliminate
32、the need for any The provisions, or circuitry, shall be simple 3.3.2.2 Self-test cycle. The BIT design shall include a self-test cycle to operate the camera for a maximum of 15 seconds to test internal functions such as film transport, scan servo operation, and AEC servo operation. test cycle will b
33、e activated as a part of the camera BIT sequence. Failures or degraded condition detected during the operation of the self- test cycle will be activated as a part of the camera BIT sequence. The design of the self-test cycle shall be such that the self- 9 Provided by IHSNot for ResaleNo reproduction
34、 or networking permitted without license from IHS-,-,-. MIL-C-852YA b7 9999906 0373936 5 M . I t Failures or degraded conditions detected during the operation of the self-test cycle shall be automatically isolated to a single WRA, and shall be indicated by activation of the appropriate latching indi
35、cator as specified herein, 3.3.3 features shall be included in the design of the camera. accessibility of test points shall be compatible with the design of replac able assemblies and the level of maintenance at which the test points are be used. Test points and test features. Suitable test points a
36、nd test Selection and 3.3.4 Safety. The design of the camera shall incorporate the personnel safety requirements of MIL-STD-454, Requirement 1. contractor shall prepare a safety statement, a system safety program plan, and a hazard analysis report in accordance with MIL-STD-882 (see 6.2.2) The 3.3.5
37、 Human engineering. The applicable principles and criteria specified in MIL-STD-1472 shall be incorporated into the design of the camera . 3.4 Reliability. The reliability requirements for the camera shall be 50,000 Mean Cycles Between Failures (MCBF) for the electromechanical portions (scanning sli
38、t mechanism and film transport) of the camera. The electronic functions and optical elements of the camera shall haveOa Mean Time Between Failure (MTBF) of 2,000 hours. The total camera shall a MTBF of 117 hours, The conversion of MCBF to MTBF shall be based mission duration time of 2 hours and 2,00
39、0 feet (609.6m) of film expe per mission. 3.4.1 Reliability prosram. The contractor shall establish and conduct a reliability program for the development and inspection of the camexa in accordance with MIL-STD-785 and MIL-STD-781. .l%lid 3.4.1.1 Reliability proqram plan. The contractor shall prepare
40、 a reliability program plan (production) for the camera in accordance with MIL-STD-785 (see 6.2.2). 3.4.1.2 Reliability analysis and predictions. The contractor shall prepare a reliability analysis and predictions report of the camera in accordance with MIL-STD-785 and MIL-HDBK-217 (see 6.2.2). 3.4.
41、1.3 Failure modes, effects and criticality analysis (FMECAI. The contractor shall prepare a FMECA report of the camera in accordance with MIL-STD-785 and MIL-STD-1629 (see 6.2.2). 3.4.1.4 Failure summary and analysis. The contractor shall prepare a failure summary and analysis report of the camera i
42、n accordance with MIL-STD-785 and MIL-STD-781 (see 6.2.2). 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-C-S2A 67 7777706 0373737 7 MIL-C-85248A (AS) 3.4.2 Operational stability. The camera shall operate as specified, continuously or intermi
43、ttently, for a period of at least LOO hours without the necessity for readjustment of any controls which are inaccessible to the operator. 3.4.3 Service life, The camera shall have a service life of at least 1,500,000 cycles when operated under any combination of environmental conditions specified h
44、erein, Allowance shall be made for corrective maintenance by replacement of worn or damaged parts. 3.5 Construction. Thecamera shall be constructed in such a manner that the physical and functional relationships between camera components are not affected by the strains, impacts, and vibration associ
45、ated with operation, storage, and shipping. The construction of the camera shall be compatible with space limitations-and shall be capable of withstand- ing without amage a Class 2 flight environment as specified in MIL-E-5400 , 3.5.1 Ctrenqth and rigidity of alignment. Each part of the camera shall
46、 be of sufficient strength and rigidity to accomplish lits respective function and to maintain smooth operation with proper-fit and precise alig ment throughout the life of the camera. All parts of the drive mechanism that require timing shall be provided with timing marks. 3.5.2 Interchanqeabllity.
47、 All parts having the same manufacturers part number shall be directly and completely interchangeable with respect to installation, form, fit, function, and performance as specifies in MIL-E-5400. Changes in manufacturers part numbers shall be governed by the drawing number requirements of DOD-D-100
48、0. 3.5.3 Lightticjhtnesc. The camera shall be constructed to be light- tight as specified herein. The camera magazine assembly shall be light- tight to prevent the fog exposure of the film on the spool within the cassette when the magazine assembly has been removed from the camera body, The film cas
49、sette shall be lighttight to the extent that when loaded with 2,000 feet 609.6m) of film having an Aerial Film Speed (AFS) of 200, no mc than the first four wraps of filni shall be capable of being fog exposed. 3,5,4 Fabrication. Machining, drilling, and forming shall be accomplished with the useiof accurate templates, jigs and gauges. Boxes, cases, shiels, and compartments shall be fabricated by casting, drawing c bend
