1、s -3743 MIL -S -4 8464 B( AR) 30-June 1981 - S UPE RSE DING MIL -S -4 8464 A( AR) 1 March 1976 MIL TARY SPE CIFI CATION SENSOR, CROSSWIND: 11733251 This specification is approved or use by the US Amy Armament Research and Developnent Comand (ARRADCDM) and is available for use by all Departments ci a
2、nd Agencies of the Department of Def ens e. 1, SCOPE 1.1 Scope. This specification establishes the requirements and .quality assurance provisions for the Sensor, Crosswind: 11733251 which is a unit of the M21 Ballistic Catipiter System, 11732979. 2. APPLICABIE DOCWENTS 2.1 -Issues-of- documents. The
3、 followingdocuments of the issue in effect . on date of .invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPE CIFI GAT1 ON3 a MIL ITARY MIL -F -13 926 Fire Cmtrol Materiel; General Specification Governing the Manufacture and Inspection of
4、 MIL -I -45607 Inspection Equipnent, Acquisition, Maintenance and Disposition of ElIL-STD-45662 C ali brati on System Requirements FSC 1220 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-$-b4B 12 H 7779706 0320763 2 H MIL-S-484643 (AR) MILITARY
5、MIL-STD-105 MIL-STD-810 DRAWINGS ARRADCOM , 117 33 251 Inspection Equipment 11 75 0233 11822890 118 2 28 91 11733250 11821463 11821464 118 i 28 64, 11822889 Packaging Data Sheet P11733251 Sampling Procedures and Tables for Inspection Environmental Test Methods by Attributes Sensor , Crosswind Test S
6、et - Computer System FAT, Test Set - Crosswind Sensor Shock and Vibration Fixture Assembly Shock Fixture, Sensor Mast Mounting Plate Cable, Wiring Diagram Mast, Crosswind Sensor Unit Fixture - Crosswind Sensor Unit Fixture - Crosswind Sensor. (-Z) Packaging of Sensor, Crosswind: 11733251 (Copies of
7、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 Provided by IHSNot for ResaleNo reproduction or networking permitted without l
8、icense from IHS-,-,-a MIL -S -4 8464 B( AR) 3. REQUIREMENTS 3.1 Fabri.ation. The crosswind sensor, herein referred to as either the assembly or CWS, shall be manufactured in accordance with Drawing 11733251 and drawings pertaining thereto and, when assembled, shall meet the requirements of this spec
9、ification. (see 4.5.1) 3.1.1 Function. The assembly shall provide a vol tage proportional to the canponent ofnomal to the line-of-sight. 3.1.2 General.- spcificationc. The f ollawing provisions of MIL-F-13926 8 apply: (See 4.5.1) a. Order of precedence b . D hensi ons and tolerances cr Inorganic pro
10、tective surf ace finishes d. Part identification and marking e. Workmanship 3.1.3 Ambient-condtions. Standard ambient: conditions shall be as follows: 73O + 18OF 50 percent + 30 percent a. Temperature b. Relative humidity c. Atmospheric pressure 28.5 + 2.0 z3.0 in. Hg. .3.1.4 Referenee-axis. Zero re
11、ference in azimuth, or forward position of the sensor, is defired as follows: Observe the electrical connector. The direction of pin 6 from the connectors centerline indicates the forward direction, zero degrees azimuth. Full crosswind then occurs at plus 90 and plus 270 degrees fraa the zero point
12、(See figure i), 3.2 First- article. When specified (see 6.2), the contractor shall furnish sample units for first article inspection and approval (see 4.4 and 6.2). 3.3 Performance. Unless otherwise specified, the assembly shall meet the performance requirements specified herein under the following
13、condi ti ons: a. Standard ambient see 3.1.3 b. Input voltage 15.000 + 0.030 volts direct current (vdc) -15.000-+ 0.030 vdc 28.000 5 0.250 vdc c. Electrical Set-up see figure 2 d. Wind velocity tolerance + 10 percent of specified values I 3 Provided by IHSNot for ResaleNo reproduction or networking p
14、ermitted without license from IHS-,-,-MIL-S-48464B 12 7777706 03207b5 bI MIL -5 48464 B( AR) 3.3.1 Zero-wind-operation. Under a zero wind environment and with the electronics card (EC) adjusted for a voltage between Bridge 3/Signal B (pin 2-CWS) and Bridge 2 (pin 11-CWS) of O + 100 microvolts dc; 13
15、 a. The voltage between Bridge 1 (pin 21-CWS) and power return (pin 23-CWS) shall be 3.16 + 0.10 vdc. I 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-48464B (_AR) O DEGREE REF (FORWARD) CONN ECTO R (KEYWAY) - PIN 6 I 90 180 270 I FIGURE 1.
16、Zero degree reference orientation. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-q4bLlB 12 777770b 03207b7 T W MIL- S -4 8 4 64B (AY) I I I I I I I I I I I I I I I I I I I l I I I I I I I I I I I I I I I I 21 BRIDGE TOP BRIDGE 1 A14 22 BRID
17、GE TOP I 19 +I5 VDC I D I I I I I I + 15 AG, B6 - 15 A21, B21 til 7 -15 VDC II 16 DC RTN GND A18, BI8 23 +30V RTN 30V RTN A3, B3 24 +30V RTN BRIDGE 2 A2 BRIDGE 3 B2 SIG i3 A25 SIG A A22 SIG C A24 SIG D B25 TRIM 1 i324 TRIM 2 BI7 W I ND E LECT RON I CS TEST CIRCUIT 11 822885 I I 11 BRIDGE2 I p 2 BRID
18、GE 3/SIG B I I, I I GSIGNALA (PROBE OUTPUT) Il I .I 14SIGNALC (DITHER) 1-I 12SIGNAL D I (SENSOR MIDPOINT D Il I I 17TRIM1 1 CROSSWIND SENSOR li 11733251 I I I I I I I I I I I I I I I I I I I I I I I I I i * I I I I I I I I Ii FIGURE 2. Electrical connections to crosswind sensor. Provided by IHSNot f
19、or ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-qqbiB 12 7977706 03207b8 L b. The voltage between signal A (pin 6-CWS) and dc return (pin 16- CWS) shall be 0,O + 1 vdc. I C. The voltage between test point 10 on the electronics card (Pio- EG) and signal return (pin
20、 Al8-EC) shall be 0.00 + 0.05 vdc. (See 4.6.2.1) I. 3.3.2 Operational requirkments. With specified air velacities at speci- fied azimuth angles and at zero roll and pitch angles; the assably shall pro- vide outpt voltages between Vw (pin AL7-EC) and dc return (pin 164%) within the limits specified i
21、n table i and table II. .One hundred percent of the outpt voltages of table I shall be met and 68 percent of the output L T voltages of table II shall be met. (See 4.6.2.2) . 3.3.2.1 Pitch. At a pitch angle of 15 degrees, either positive or nega- tive, for. winmocities of 10 and 40 miles per hour (m
22、ph), the assembly shall provide outpit voltages within the limits specified in table I. 3.32.2 Roll. At a roll angle of 15 degrees, either positive or negative, for wind ve1oCities of 10 and 40 mph, the assembly shall provide output vol- tages within the limits specified in table I. 3.3.3 Stability.
23、 With a constant wind velocity of 20 mph having aspect angles of 90 degrees and 270 degrees (full crosswind) with respect to the front of the assembly, the outpit voltage shall remain within 0.200 volts of its initial: value far.not less than 10 minutes. The dc voltage shall be measured between V, (
24、pin Al-EC) and the return (pin A18-EC). (see 4.6.2.3) 3,4 Enviromental. 3.4.1 . Shock. The assembly shall be capable of operating as specified - herein after expocure-under the conditions of 3.1.3 to three half sine wave shock.pulses of 40 + 4 gravity unit (g) for a duration of 18 + 3 milliseconds (
25、msec applied in each direction al mg three mutually perpengcular axes. In addition, the assembly shall be capable of withstanding three half sirie wave shock pulses of 125 + 12.5 g for a duration of 5.0 + 0.2 msec applied in each direction almg thre mutually perpendicular axes. c I (See 4.e6.3.1) 3.
26、4.2 Vibration. The assembly shall be capable of operating as specified . IF herein after exposure under the conditions of 3.1.3 to the vibration profile of figure 3. Duration of exposure shall be not less than 80 minutes in each of three mutually perpendicular axes. (See 4.6.3.2) . Provided by IHSNo
27、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-48464B 12 7777706 0320767 3 W MIL- S- 4 84 6 4B (AR) _ - 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-l84bYB 12 I 777770b 0320770 T m a u 5 h v) al .d U
28、 *d o O d. al 3 m 0 .FI s 2 n U Fi al bo (d U d O 3 U U 3 O W a C a) al s. s a E 4 - C al U al r4 : O d 63 I e d rn o I . m m I- l e i? m I a rl d N 2 O r. m. N I I I. 4 c -3 D N 3 rn -e m . . m .p I Y r. I -3 a N O cn m d I- N N . T I 00 o cl O m O N N N O O cI 2 O O O D N O rb . . . G-JG m N 4 I I
29、 I I 1. vi I r. N Co o t+ m 4 i? N :. . b. . 63 D N d hl N 4 d I I I I I I . . 4 4 pp I + I .I- m r- vi 2 o a cn 9 m I I I I I o . r-l y.“ d p ? d rl d . . sgpo I I I O + Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-484bLlB 12 777770b 032077
30、1 1 a 4 - $ 5 U al m m o + . 2 m + 8 h I- -? vi 9 + m rl In + h O rl O . rl m + + . N In j T N W I- P N $I . m + Co G . N + N m W ui + . ; O u3 W N c.4 + t. 3 Ca hl W N . ; 00 W rl $A + + N + O m O O O N O N N O vi sw D O . . s + d 4 w + + N m + + . . u . N + 4 N N +A + + + + . 0 . O O + + O O P I +
31、 3. o i3 Fi QI ri m m W O h N m W F. W Co 4 . + rl d 4 + 4- f + O + LO Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-qdqbqB 22 H 777770b 0320772 3 d al =I C .rl U C O o I . u 3 . m al *rl U .rl o O ri al P a G .rl 5 % n U 9 M a u ri O P Y a,
32、u =I O U c 4 C al P E U C 4 - C al Y P 8 _I N . R O r; w l-4 ri ln N + + m m b m + + + s In . . 4 O 4 Co m ra N cl + + -1 . * b D + + . 0. ri N + Bo I I I l-4 4 c-4 + + 3. 01) O N O m O N N ri N 4 O + + + . o O N . *a 9 + +. o O O In + . 4 m . Or;“+ + I ri O 4. + -I + . . b ri l-4 O + + + 4- N N + +
33、 N + D m m N N b b N N Co W m In In d $0 c1 4 . ps + i- + + + I O . l-4 I4 4 4 o o O -4 + + + + + +. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. a al .rl U 2 8 u I w O O d U A L) B n v) al . Pl U .rl L) O r4 QJ 3 a G .rl L3 2 n u e 8 cd u rl O
34、3 U U ? O a, !3 ir( o NIL-S-LI464B 12 777770b 0320773 5 a d 4 v) al i al m rl r; N m 03 I m m O I d d N N N I I I I I . p rl 4 4 I I 1 I a 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-n 3 MIL-S-9B64B 12 9779906 0320779 7 d O O In I b W o W m I
35、. SI 4 r-l b I o3 m m + . 4 N O O a Om o3 O o o O O O o u3 W 4- O 4 P -i;“-jr; N 4 I I I I N O o Il .o O I + o3 3N ao N ?= o !; O . N I m hl I I I m I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-484b4B 22 W 777970b 0320775 7 a n H Co o u ai
36、 e E! O w k k O lu m a c *Fi 5 8 8 rrl o O m v ri + 0 O w m e 3 RE e. QI- + O 4 m o + .6 O m o 4 + a m I-. + e E8 Od . . O rl I- . Co + moo + . e . m N + + m m + + N (v riA + + + 2 35: 30 N O 03 . . .e N m + + e . . d d d + + + + + Provided by IHSNot for ResaleNo reproduction or networking permitted
37、 without license from IHS-,-,- MIL-S-qq64B 12 7777706 0320776 O - a G 4 - G al E n O m QI m + 8 O m Q . $ O m m rb + . O m m 4 I . s( 4 4 + N m h .3 I e m N + + eo N 3 m 4 . N + I eo N O N O O m O :!; rb b rb . mg + 4 + o+,. + I r d + N + :+o + I I N N eo O N O O m O . 4 $ s! D rb o 4 e A+“+“ + + +
38、I 15 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-j $ .rl u o I 8 H H Y 3 YIL-S-484b4B 12 M 77777Ob 0320777 2 m a F 4 d a, ci E w a F 4 d a, E a 2 a O N i4 I ? ?8 or4 O O O W sui 2 O d 45 Co * 45.J I I m I W D a rD o 4 QO 0 r4 -i Qi I I I I E, *rl
39、 o 16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-484b4B 12 = 777790b 0320778 Li MILS -48464B( AR) 3.4.3 Operating tenperature. The assenbly shall be capable of operating as specified herein over the operating tanperature range of -40F to +
40、125OF. (See 4.6.3.3, 4.6.3.4 and 4.6-3.5) 3.4.4 Storage tapperature. The assmbly shall be capable of operating as specified herein after exposure to storage temperatures ranging from -65OF to 160OF. (See 4.6.3.3, 4.6.3.4 and 4.6.3.5). 3.4.5 Humidity. The assembly shall operate as specified herein at
41、 up to (See 4.6.3.6) 100 percent relative humidity. 3.4.6 Altitude. 3.4.6.1 Dynamic. The assembly shall operate as specified herein during exposure to an atmospheric pressure equivalent to 10000 feet above sea level. 3.4.6.2 Static. The assembly shall operate as specified herein after exposure to an
42、 atmostpheric pressure equivalent to 40000 feet above sea level for not less than 1 hour. (See 4.6.3.7) The assembly shall operate as specifi.ed herein after 3.4.7 Dust. - exposure to moving dust for not less than 12 hours at velocities up to 1750 feet per minute, (See 4.6.3.8) 3.4.8 Salt fog. The a
43、ssembly shall operate as specified.herein after exposure to a 5 percent sodlun chloride atomized spray for not less than 48 hours . (See 4.6.3.9) 3.4.9 Waterproofness. The assembly shall be capable of withstanding not less than 8.7 pounds per square inch (psi) differential pressure while sub- merged
44、 in water for not less than 2 hours. (See 4.6.3.10) 4. QUALIITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the perfomance of all impection requirements as specified herein. contract, the contractor may use his
45、 own or any other facilities suitable for the performance of the inspectim requirements specified herein, unless disap- proved by the Goverment. The Governuent reserves the right to perform any of the inspections set forth herein where such inspections are deemed necessary to assure that supplies an
46、d services conform to the prescribed requirements. Except as otherwise specified in the 17 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-S-44b4B 12 7777906 0320777 b MIL S -484 64B( AR) 4.2 Classification of Inspectims. The inspection requirem
47、ents specified herein are cl assified as follows: C! 1. First article inspectian (See 4.4). 2. Quality confomance inspection (See 4.5). 4.3 Inspection conditions. Unless otherwise specified, all inspections shall be performed in accordance with the quality assurance provisions of MIL+-13926 and the
48、conditions of 3.1.3. 4.4 First article. The requirenent for first article appmval and the designation of responsibility for first article inspection to either the Goverment or the contractor shall be specified in the contract. 4.4.1 Sanple. The first article sample shall be three assemblies selected at randan by the .Goverment representative from the first fifteen production assemblies. 4.4.2 Inspection, The sample shall be s
