1、,; - MIL-H-63192 LO I 799990b 03LI5252 3 MIL-H-63192 (AR) 3 April i978 MILITARY SPECIFICATION HOWITZER, LIGHT, TWED, lO5MM, M204 This specification is approved for use by US Army Research and Development Command, and is available for use by all Departments and Agencies of the Department of Defense.
2、1.1 This specification covers one type of lO5MM, light, towed, howitzer, M204 consisting of the M2O5 cannon, 46 recoil mechanism, M44 carriage and associated fire control. 2. APPLICABLE D3CrJ*E?ITS 2.1 The following documents, of the issue in effect on date of invitation for bids or request for prop
3、osal, form a part of this specif- ication to the extent specified herein. SPECIFICATIONS MILITARY MIL-H-O Hydraulic Fluid, Petroleum Base, -6083 Hydraulic Flsid, Petroleum Base, MILH-O MILIZ6866 Inspection, Penetrant, Method of MILI-6868 Inspection Process, Magnetic Particle MILS-6872 Soldering Proc
4、ess, General Specif- ication for MIGH-6875 Heat Treatment of Steels (Aircraft Practice, Process for) MIL-S-7742 Screw Threads, Standard, Opt imum Selected Series: General Soecification for MIL-R-11468 RadiogFaphic Icspections, Sounness Requirements for Arc and Gas Welds in Steel Aircraft Missile and
5、 Ordnance Preservation and Testing Heat Treatment of Aluminum Alloys - FSC : Beneficial comments (recommendation.;. additions, deletions) and any pertinent data which may be of use in improvinp: this aocument should be cidressed to: Commander, US Army Armament Research and Development Command. Attn.
6、 DRDAR-QA, Dover, New Jersey 07801 by using the self-addressed Standardizntion Document Improvement Proposal (DD Form 1426) appearing at the 2nd of this document or by letter. THIS DOCUMENT CONTAINS a PAGES. i015 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
7、om IHS-,-,-MIL-H-63192 LO W 997990b 0345253 5 W MIL-H-63192 (AR) MIL-P-14232 MIL-E-16053 MIL-W-45205 MIL-1-45607 MIL- R- 4 5 7 7 4 MIL-P-45971 MIL-C-45978 MIL-A-48449 MIL-T-48554 MIL-Q-48555 MIL-Q-48556 MIL-M-48557 MIL-T-48558 MIL-M-48559 - Parts, Equipment and Tools for Army Materiel, Packaging and
8、 Packing of - Electrodes, Welding, Bare Aluminum Alloys - Tungsten - Arc, Aluminum Alloys, Readily Weldable for Structures, Excluding Armor - Inspection Equipment, Acquisition Maintenance and Disposition of - Radiographic Inspection, Soundness Requirements for Fusion Welds in Aluminum and Magnesium
9、Missle Components - Product Engineering Quality Engineering System (PEQES) for Weapons and Support Materiel - Cannon, 105MM Howitzer, M205 - Alignment Device, Optical, Gun Bore - Telescope, Panoramic: M137 - Quadrant, Fire Control: M17 - Quadrant, Fire Control: M18 - Mount, Telescope and Quadrant: M
10、171 - Telescope, Elbow: M138 - Mount, Telescope and Quadrant: M172 STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attri utes MIL-STD-109 - Quality Assurance Terms and Definitions MIL-STD-130 - Identification Marking of US Military Property MIL-STD-171 - Finishing o
11、f Metal and Wood Surf aces MIL-STD-248 - Welding and Brazing Procedure and Performance Qualification Performance Qualification MIL-STD-1252 - Inertia Friction Welding Process, Procedure and Performance Qualification MIL-STD-1261 - Welding Procedures for Constructional MIL-STD-1458 - Radioactive Mate
12、rials: Marking and Steels Labeling of Items, Packages and Shipping Containers for Identification in Use, Storage and Transportation 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-63192 (AR) FEDERAL Fed. Std. No. 595 - Colors DRAWINGS ARRADCO
13、M F12010000 - Howitzer, Light, Towed, 105MM M204 (Copies of specifications, standards, drawings and publications required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer). 2.2 Other publications
14、.- The following documents form a part of this specification to the extent specified herein. nless otherwiie indicated, the issue in effect on date of invi- tation for bids or request for proposal shall apply. AMERICAN NATIONAL STANDARD INSTITUTE (ANSI) ANSI B46.1 - Surface Texture ANSI Y14.5 - Dime
15、nsioning and Tolerancing (Applications for copies should be addressed to the American Society of Mechanical Engineers, United Engineering Center, 345 East 47th Street, New York, NY 10017). AMERICAN WELDING SOCIETY (AWS) AWS A2.4 - Symbols for Welding and Nondestructive Testing (Application for copie
16、s should be addressed to the American Welding Society, 2501 N.W. 7th Street, Miami, FL 33125). NATIONAL BUREAU OF STANDARDS (NBS) Handbook H28 - Screw - Thread Standards for Federal Services (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, W
17、ashington, DC 20402). 3. REQUIREMENTS 3.1 First article.-Requirements for submission of a first article shall be specified in the contract (see 6.2). Unless otherwise specified, the first article shall include the pilot pack (see 5.1). 3 Provided by IHSNot for ResaleNo reproduction or networking per
18、mitted without license from IHS-,-,- - -_I_ MIL-H-63172 LO m 7777706 03Lt5255 7 - MIL-H-63192 (AR) 3.2 Materials, construction and design.-The howitzer shall conforin to the material, construction and design requirements specified herein and on Drawing d12010000. 3.2.1 Heat treatment.-Unless otherwi
19、se specified on the applicable drawings, heat treatment for aluminum alloys shall conform to MIL-H-6088 and for steel shall conform to MIL-H-6875. 3.2.2 Dimensions.-Dimensions and tolerances of parts and assemblies of the howitzer shall conform to the detailed draw- ings of Drawing F12010000. and to
20、lerances shall be in accordance with ANSI Y14.5. Interpretation of the dimensions 3.-2.3 Surface texture.-Surface texture shall be as speci- fied on the applicable drawings. Interpretation of surface roughness symbols shall be in accordance with ANSI B46.1. 3.2.4 Protective finishes. 3.2.4.1 Inorgan
21、ic finishes.-Parts requiring an inorganic finish shall be finished or coated as indicated on the appli- cable drawings and in accordance with MIL-STD-171. 3.2.4.2 Painting.-Parts and assemblies shall be painted as specified on the applicable drawings and in accordance with MIL-STD-171. The visible s
22、urfaces of attaching hardware (nuts, screws, washers, etc.), exposed unpainted surfaces of mounting faces or blemished areas shall be primed and painted to match surrounding surfaces after final assembly. To avoid the necessity of painting exposed surfaces of cadmium plated hard- ware (including scr
23、ews, nuts and washers), the hardware may be dyed with a supplementary chromate finish, Forest Green, Lusterless, of Spec. MIL-L-52909. 3.2.5 Welding. 3.2.5.1 General.-Interpretation of weld symbols specified on the applicable drawings shall be as defined in AWS A2.4. Actual production of weldments s
24、hall not proceed prior to Government approval of the contractors welding procedures and test specimens of the applicable welding specifications. Quali- fication of arc welding procedures and welders shall be in accordance with MIL-STD-248. Qualification of inertia friction welding shall be in accord
25、ance with MIL-STD-1252. All plug welds shall be flush and free of snzgs or protrusions, Grind- ing flush is not required unless specified on the drawing or in the welding specification. Weld splatter and similar excess weld shall be removed. 4 Provided by IHSNot for ResaleNo reproduction or networki
26、ng permitted without license from IHS-,-,-MIL-H-b3192 10 PI 7977906 03LI5256 O - MIL-H-63192 (AR) 3.2.5.2 Arc welding, aluminum alloy.-Welding of aluminum alloy parts shall conform to MIL-W-45205. Type 5356 welding electrode of MIL-E-16053 shall be used for 5000 series aluminum alloy welds. Type 518
27、3 or 5556 welding electrodes of MIL-E- 16053 may be used if Type 5356 welding electrode is unavailable. When welding aluminum alloy parts other than 5000 series aluminum alloy, the welding shall be in accordance with the specification referenced on the applicable drawings. 3.2.5.3 Arc.-Welding of st
28、eel parts and assemblies shall be in accordance with weld classification of MIL-STD-1261 referenced on the applicable drawings. 3.2.5.4 Welding inertia.-Inertia friction welding shall be in accordance with MIL-STD-1252. 3.2.5.5 Maqnetic particle inspection.-When magnetic particle inspection is indic
29、ated on the drawing, it shall be in accordance _. with MIL-1-6868. 3.2.5.6 Penetrant inspection.-When penetrant inspection is indicated on the drawing, it shall be in accordance with _. MIL-1-6866. 3.2.5.7 Radioqraphic inspection.-Radiographic inspection shall be in accordance with MIL-STD-453. Alum
30、inum inspection shall be to standards of MIL-R-45774 and steel inspection to standards of MIL-R-11468 as referenced on the applicable drawings. 3.2.6 Soldering.-Soldering of parts shall be as indicated on the applicable drawing and in accordance with MIL-S-6872. I 3.2.7 Threads.-Threads shall confor
31、m to the thread series and class indicated on the applicable drawing and shall be in accordance with Handbook H28. Unless otherwise specified, coated or plated class 3 threads shall conform to the coated thread data specified in MIL-S-7742. 3.2.7.1. Torque, threaded fasteners.-Unless otherwise speci
32、- fied on the applicable drawing, threaded fasteners shall be torqued in accordance with the following torque requirements: 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-63192 (AR) Thread Size Torque 0112 - -138 - -164 - 0190 - 0190 - 0250
33、- 0375 - 0500 - -625 - 4 8UNF 32UNF 32UNF 24UNF 32UNF 2 OUNF 16UNF 13UNF 11UNF 9 - 10 16 - 18 30 - 33 40 - 45 45 - 50 8 - 10 30 - 33 75 - 80 150 - 165 inch-pounds inch-pounds inch-pounds inch-pounds inch-pounds foot-pounds foot-pounds foot-pounds foot-pounds 3.3 Performance and product characteristi
34、cs. 3.3.1 Lunette assembly.-The lunette assembly shall be capable of being secured in the firing, down and towing position by- the lunette operating lever. for securing component parts shall be positive in action. vent wheel rotation while the howitzer is in a level, ascending or descending travel p
35、osition. the wheels shall turn freely with minimum drag. 3.3.2 3.3.3 Handbrakes.-The handbrakes when engaged, shall pre- Locking devices.-All locking and fastening devices When the handbrake is disengaged, 3.3.4 Trunion adapter plates.-The trunion adapter plates shall maintain a verticle plane withi
36、n + 0.2 mil when the cannon is elevated from O to 1275 mils. The trunion adapter plate keys shall be parallel with the cannon tube centerline within + 0.2 mil. These measurements shall be preceded by cross-leveling of-the carriage trunion centerline as specified in 3.3.9.1. raising the wheels and lo
37、wering and raising the base plate to the firing and travel positions. locking throughout the range of operation. limiter shall be adjusted to raise the weapon into travel lock with 400 5 50 lbs on the base plate and insure slippage with 550 - + 50 lbs. 3.3.6 the base plate, is the point at which the
38、 weapon shall be secured and permit the weapon to be traversed 360 degrees. Stability shall be provided by grousers protruding from the bottom of the base plate. 3.3.5 Wheel actuator.-The wheel actuator shall be capable of The actuator shall be self The slip clutch Base plate.-The base plate socket
39、in the center of 3.3.7 Traversing mechanism.-With the howitzer in the firing position, the traversing mechanism shall be capable of traversing the howitzer 360 degrees in either direction. The torque required 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
40、 IHS-,-,-MIL-H-b3L92 LO W 9979906 0345258 Lt MIL-H-63192 (AR) to accomplish traversing shall not exceed 115 inch-pounds at the handwheel shaft. The maximum backlash of the traversing handwheel shall not exceed 20 degrees rotation in either direction. 3.3.8 Elevating mechanism.-The elevating mechanis
41、m shall be capable of elevating and depressing the cannon tube from a position of minus 85 mils to positive 1333 mils. The torque required to elevate or depress at any point throughout the operating range shall not exceed 200 inch-pounds at the hand- wheel shaft. The maximum backlash of the elevatin
42、g handwheel shall not exceed 20 degrees of rotation at any position in either direction of elevation or depression. 3.3.9 Fire Control. 3.3.9.1 Gun elevation - plumb travel.-The elevating trunnions of the carriage shall be cross leveled by having the cannon track a plumb line within 0.1 mil through
43、a-range of O to 978 mils elevation minimum. The fire control instruments shall meet the requirements of 3.3.9.2 through 3.3.9.7. Testing shall be as specified in 4.6.9.2. 3.3.9.2 All.knobs on the fire control instruments shall function properly without binding, looseness or excessive torque. All cou
44、nters shall operate properly and all radioactive sources shall be illuminated, including those on the off-carriage equipment. 3.3.9.3 Alignment of mount M171, panoramic telescope M137 and quadrant M17. a. The quadrant elevation level vial shall be adjusted, as necessary, to center the bubble when th
45、e cannon tube is at zero elevation and the elevation counter is set at 0000. b. After boresighting on the target and setting the azimuth counter to 3200 mils, the panoramic telescope shall align on the alignment device at 4800 mils within - + 0.5 mil. C. Elevate the cannon tube from O to 1275 mils i
46、n 200 mil steps. Releve1 the M171 in pitch and cross-level for each 200 mil step. The verticle reticle line of the telescope shall not deviate from the test target verticle line by more than + 0.6 mil from O to 899 mils elevation and not more than - + 1.5mils from 900 to 1275 mils elevation. 3.3.9.4
47、 Alignment of mount M172 arid quadrant M18. a. The elevation pads on the mount shall be parallel with the cannon tube within + 0.2 mil. - 7 .- I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-H-63L2 10 = 0b 03Lt5257 b i MIL-H-63192 (AR) b. The q
48、uadrant elevation level vial shall be adjusted, as necessary, to center the bubble when the cannon tube is at zero elevation and the elevation counter is set at 0000. 3.3.9.5 Accuracy of elevation counters. Prior to proof firing, the elevation counter of the M17 and M18 quadrants shall reflect tube
49、elevation and shall not exceed 1.0 mil deviation, excluding backlash, at any counter setting. After proof firing, the allowable deviation shall not exceed 1.5 mils, excluding backlash. The M18 cross level vial bubble shall remain centered within + 1 mil (one full graduation) through all tube elevations. 3.3.9.6 Backlash.-Backlash shall not exceed 1.0 mil at any elevation counter reading. 3.3.9.7 Illuminat
