1、L, - - - . - . y. 1 - . ._ . . * -. MIL-d-50385 12 m 9797706 0326727 7 m s -37-03 - -24 $; - . -. NXL IT.4RY S Pli C IF XL4TIOX A QUADEANT, FIXE. COWWL: ELEVATION MLEI 1. SCOPE 1.1 This specification covers one type of elevation quadrant which The levei vials on this measures elevation angles in art
2、illery weapons. quadrant are adioactiveiy illuminated. - 2. APPLICA3LE DCCUZNTS 2.i Tie foilowing documents, of the issue in effect on date of invitation for blds or request for proposal, form a part of this specifi- catioz to the extent specified herein. SPECIFICAFIOXS Mi 1 it ary MIL-F-13926 MIL-2
3、-14232 XIL-1-45607 S TAhPADS Fire Control Xateriel; General Speci- fication Governing the Manufacture and Inspection Parts, Equipment and Tools for Ariy Materiel, Packaging and Packing of Inspection Equipment,.Supply and Maintenance of M: ., - =_ -. -. _1 . -A * .- _-. f. e.-. . i: . i-. C.S. Amy, F
4、rankford Arsenal P11?30915 QUadrant, Fire Control: Elevation HAEl 117 309 i5 Packzging of Quadrant, Fire Control: Elevation Mi431 . . .- :i. .:. .: -, _-. .- FSC 1290 t . . - 1 i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- 7 _-. -. . . ._ . , -_
5、 - MIL-Q-50385 12 W 7777706 0326730 3 W (Co;Les of specifications, standards, dra7ingc aiiG packaging da:r;us fiftezn secoccis. Subseqienc to vibraKion there shall be i10 evidence of physical failare. .- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
6、,-3.5 Seatins.- ;?e qandrant sna71 show no.ev L PROC“L3URE 301. Reguiatibn pertaining to 0, - 3.1 Certificat ion radiosctive devices 302. 303 304. 305. 306. 307. 308. 309. 31Q. Fabrication General -specif icak.ions Tern2eratur.e (storage) TemperFture (operating) S ea1 ing Torque elevation knob Torqu
7、e correction knob Torque crosslevel knob Boresight ad justment screws 3.2 Certification 3.3 Certification. 3.4.i . 4.6.1.1 3.4.2 4.6.1.1 3.5 4.6.1.2 3.10 4.6.2. Il ._ 3.10 4.6.2. Il 3.10 4.6,2.11 3.10 4.6.2. li 4.4.2 Failure of sample.- Should any one item of a special sampling fail to meet the spec
8、ified test requirements, acceptance of the represented inspection lot will be suspended by the Government until necessary correc- tions have been made by the contractor and the resubmitted samples have been approved (see 4.3.3). 4.5 Inspection equipment.- Except as otherwise provided for by the cont
9、ract, the contractor shall supply and maintain inspection equipment in accoance with the applicable requirements of MIL-1-45607. 4.5.1 Goverment furnished inspection eauipment.- Where the contract provides for Government furnished test equipment, supply and maintenance of test equipment shall be in
10、accordance with the applicable requirements specified in MiL-1-45607. 4.5.2.2 Contractor design.- The contractor shall design and supply inspection equipment compatible with the “Test Methods and Procedures“ specified in 4.6 of this specification and with the component inspection procedures specifie
11、d in “Examination“ and “Test Facilities“ requirements of MIL-I?-13926. Since tolerance of test equipmeat is normally considered to be within 10% of the product tolerance for which it is intended, this in- herent error in the test equipment design must be considered as part of the prescribed product
12、tolerance limit. Thus, concept, construction, materials, dimensions anC tolerance used in the design of test equipment shall be so selected and controlled as to insure that the tesc equipment wL11 reliably indicate accepeability of a product which aoes mc exceed 90% of the pre- scribed tolerance lim
13、it, and permit positive rejection when noz-conforzing. Comtniction shall be such as to facilitate routine czlibration of test equipment. 4.5.3 Test ec;uiment.- in conjunction wik 4.5.2.2, the following standard eest equipment shall be utiized irL t3e ?aformance or he applicable tests as specified in
14、 4.6 and 4.7. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-Q-50385 12 m 9777706 032673b 4 m 2. Continuity checker StErnciard type conforming to the . _- accuracies outlined in test facilicles specified under test facilities of . NIL-F-13926.
15、 .-r )I. -% =+ . i I .- . . . Standard shop type capable of providing readings accurately within 2% of - specifiLed tolerance. 3. Insulation resistance Standard shop type conforming to the checker accuracies outlined in 4.5.2.2. 4, Power supply O to 50 D.C. output within 2% accuracy. 5. Torque wreil
16、ch and scale Standarci shop type accurate to within 10% of torque tolerances. 4.6 Test methods and procedures. . 4.6. i Environmental , 4.6.1.1 Temperature test.- T5e quadranc shall be subjected to Test Procedare I of a1L-F-13926; however, the tenperatures specified in 3.4.1 and 3.4.2 shall apply. t
17、ue spec;fied, the result or the specified test shall conform to the limits outlined ir: 3.4.1 and 3.4.2 using test procedures outlined herein. Wien the quadran: has been ssabilized at the tempera-. 4.6.1.2 Sealing.- The quadrant shall be subjected to Test Procedure I outlined in on.- Orienting the q
18、uadract nay be accomplished by using a crossleveling type fixture and mounting adapter, the accuracy of 1;lrch shall conform to the accuracces depicted on Drawing 05523553 and CS555834 hoth 02 which are listed on TEL 3628310. quadrant, the test Elscure aa adapter chal1 be positioned ;eve; in all pla
19、nes. Telescopes C5549108 Ln the “V“ clot of the adapter and by positioning a pim.5 line ap:xoxinsr.sly 40 feet from the viewing teiescope and izl coincidence wich the viewlag telescope opeicai axis. Dy srctivazing the eievacion nandwheel of she fixcue. Trior to orienting the Crosseveiing of the fixt
20、ure is ccornplished by placing vlewing Rolse arid lower the Line of sFght ?he eelescopas l,ne b Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. - -_ - - , MIL-50385 li! E 93999Ob 032b737 b W of sighis s?,al1 remaii: parsIlal io tk ?lwrsb 1ir.e drrr
21、ing tl;is activt20n. Place 8 10 second precision level ovsr the adapter keys. Boch keys shall b2 considered Leveled when laentical level readings are produced on tSe level viai when rotated 190 from the original position. tklescope in the “V“ groove and coinc5de the plumb line and vertical ret-icle
22、line. ?lace trget lines A and B (Figure 1) in coincidence with the collimators verticil and horizontal reticle lines. Secure the quadrant to the adapter by means provided and observe previously coincided lines. a previously aligned adapter collimating Telescope C8246024 5nto the gimbal tube and agai
23、n observe coincided lines, telescope is assured after placing the adapter in a “V“ block with the collimaring telescope centered in the adapter. toward a clearly efined target image and roll the collimator and aciapcer in the V1 block. collimator reticle lines and a selected target point. vided to f
24、acilitate this adjustment. the adapter and collimator are ready for use. and elevation counters to zero reaaings and observe level vlal settings of the quadrant. Place an inspection Aid (Gunners Quadrant) Drawing A8656940 set to zero mils elevation over each set of machined pads of the.quadrant. tio
25、n aid QUS indicaee level in both planes within the limits specified in 3.6. respect to the intersecting point of target lines C and D, shing of Che quadrant arrd observe elevation coUnzer readlng. recorded reaG2ng is considere6 backlash an6 must je wlthln ehe lPiatn range specified in 3.8.1. Te test
26、 is perlorme6 by rotaring the correcfiFon knob full At eccn rnaxinum rotation, the C Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-k. i, 2.5 ,C.ciitxy of correcior. eoiinzer .- Yhis test caz be perfox:.ed using the pocede?re outlitled In 4.6.2.3; A
27、?:F3r the accuracy of the elevo- tion setting Ass been establshed, tur, the correction counter in the pus and rninus direction to indicate a 25 mil setting. The elevation comte shall rotate in an opposite direction 25 mils from the original setting Jf the elevation counter within the limits outlined
28、 in 3.7.3. Repeat this procedure at the 50 mil setting each side of tiie level position. 4.8.2.6 Range of correction counter,- This test may be performed during the previous test. The test is performed by rotating the correction knob in the maximum clockwise and counterciockwise directions. At each
29、masinun rotation, the counter shall produce a reading within the limits outlined in 3.8.2. 4,6.2.7 Xinimum cant travl and backlash.- With the quadrant positioned as outlined in 4.6.2.3, rotate the crosslevel-knob full clockwise. Place the inspection aid over the crossleveling pads. indica2e level. T
30、he angle read on the inspection aid must be within the .limits of 3.7.4. full couaterclockwise position. .Backlash to be macured in at least two places each side of zero cant. Perform this test by selecting any angle of cant, scribe on index line on the crosslevel knob and another on the cssting. Tu
31、rn the crosslevel handwheel in the opposite direction and level the quadrant level vial. Sight through the collimator and obge-rve coincidence between the vertical reticle line and vertical arget line. if any, is backlash an shall not exceed the limits specified in .3.7.6.2 Set the inspection aid to
32、 Repeat this procedure with the crosslevel knob in the This ciifference, 4.6.2.8 Elevation adjustment.- With the mount and fixture set as out- lined in 4.6.2.2, rotate the elevation adjustment screw maximum clockwise and counterclockwise from the leveled position while sighting through the . adapter
33、 collimating telescope. The intersecting point of the reticle line must coincide with or exceed the slimits of the 36 mil target block to con- form to the requirement of 3.7.5.1; At the completion of the test, return . line of sight to the intersecting point of target lines C and D. 4.6.2.12. Illumi
34、nation, 4.6,2.12.1 Couner nuabers.- Place the instrument in a dark room having a controlled light source. The observer and inst-runent mst become dark adapted. After eing adapted to tne darkness, the observer shall visually exn;ine the counter fiunbers. They mst 3e clearly 6iscernabe CO assure confo
35、rnance with 3.11.1. Gradually raise ehe amiient level of light in the Bark mom 1 foor candle of illumination in the ct becone dark adapcer. AZEer jeLn3 aaa2zed to t5e darkness, the observer shll vlsiialy examine the levei vial 4ub5le and the grachation, Tkey must be cleariy c f 8- Provided by IHSNot
36、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-Q-50385 12 m 9777906 0326939 T m -. 1 .- :- . li r. .- 5.1 Itickaglng, packisig and marking.- Packaging, packing and marking r . -. shall be in accorance with Packaging Data Sheet 11730915. The level OE . -c protecti
37、on shall be as specified in the procurement document. 6. SOTES 6.1 Intended use,- The Quadrant Fire ControlM14Ei is priaarily intended for laying the weapon in elevation for indirect fire. The boresighting the irect fire, Elbow Telescope M114E1 for direct fire. When using the Elbow Telescope Ml14El
38、for irect fire, the elevation counter and correction.counter remains at zero setting. quadrant also incorporates a mechanism (telescope mount) for mounttng and - 6.2 Ordering data.- Procurement documents should specify the following: a. Title, number and date of this specification b. Seleceion of ap
39、plicable levels of preservation, packaging, and c. Appiica le stock numbar Xa5ioac.tLve mterial,- Prospective 5i5ders should be cognizant of 6.3 the need kor aa Atoiizic Energy Commission liceme governing the prociirement and hanciiing 02 radioactive material. Custodian: ?reparing activity: AT4y - Ni- Project No. 1290-AZ56 :. - ;- . :. .- . .: li . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
