1、MIL-T-LICBBbA 11 9793906 0309089 3 Beneficial comments (recommendations, additions, deletions) and any pertinent data whlch may be of we in improving this document should be addressed to: Commander, U.S. Army Arrnament,Munitions and Chemical Command, Attn. AMSMC-QA, Picatinny Arsenal, New Jersey 078
2、06-5000 by using the self-addressed Standardiza- tion Document Improvement Proposal (DD Form i426) appearing et the end of this document or br letter. MIL-T-45886A( AR) SUPERSEDING MIL-T-45886 16 August 1976 25 May 1988 . MILITARY SPECIFICATION TIMER, SEQUENTIAL: M42E2 This specification is approved
3、 for use by U.S. Army Armament, Munitions and Chemical Command, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers requirements, quality assurance provisions, and the preparation for delivery criteria for one Timer, Se
4、quential: M42E2, which is used in the Lance warhead section (see 6.1). 2, APPLICABLE DOCUMENTS 2.1 Government documents. *2.1.1 Specifications and standards. Specifi.cations and standards. The following specifications and standards form a part of thisspecification to the extent specified herein. Unl
5、ess-otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. AMSC N/A FCC 1135 DISTRIBUTION STATEMENT A. Approved for public release; distributi
6、on is unlimited, THIS DOCUMENT CONTAINS fi PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SPECIFICATIONS MILITARY MIL-T-45bA 11 7777906 0307070 T MIL-T-45886A(AR) MIL-C-3098 MIL-1-6866 MIL-M-38510 MIL-A-48078 MIL-P-50884 STANDARDS MILITARY MI
7、L-STD-105 MIL-STD-275 MIL-STD-2000 (IA, 2, 3, MIL-STD-2118 and 4) - Crystal, unit, Quartz, General - Inspection, Penetrant Method of. - Microcircuit, General Specification for. - Ammunition, Standard Quality Assurance Provisions, General Specification for. - Printed wiring, flexible and rigid- flex.
8、 Specification for. - Sampling Procedures and Tables for - Printed Wiring for Electronic - Soldering of Electrical Connections Inspection by Attributes. Equipment. and Printed Wiring Assemblies, Procedure for. for electronic equipment, design requirements for. - Flexible and rigid-flex printed wirin
9、g *2.1.2 Other Government documents, drawings anfi publications. The following other Government document forms a part of this speciication to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. DRAWINGS U .S. ARMY ARMAMENT, RE
10、SEARCH, DEVELOPMENT, AND ENGINEERING CENTER 12551040 12551050 12551053 12551061 12551049 12551052 12551060 12551042 12551080 12551081 12551082 12551045 - Timer, Sequential: M42E2 - Circuit Board, Microprocessor - Circuit Board, Output Driver - Circuit Board, Switch Routing - Component Assembly Board
11、, Micro - Component Assembly Board, Output - Component Assembly Board, Switch - Housing - Front Plate - Bezel - Connector, Electrical Type LJT17MC - Switch, Optical 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-T-45bA LL 9779906 0307093 L 0 P
12、UBLICATIONS PI CATINNY ARSENAL QAI -PA-1 - Quality Assurance Instructions for Reporting Data on Nuclear Weapons. (Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or
13、as directed by the contracting officer . ) “2.2 Other publications. The following documents form a part of this specification to the extent specified herein. The issue of the documents which are indicated as DOD adapted shall be the issue listed in the current DOD ISS and the supplement thereto, if
14、applicable. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM-D 3951-82 - Practice for Commercial Packaging. (Applications for copies shall be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA., 19103.) 2.3 Order of precedence. In the event of a con
15、flict between the text of this specification and the references cited herein, (except for associated detail specifications, specification sheets or MS standards) the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulati
16、ons unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Materials and finishes. The contractor shall furnish objective evidence (see 6.6) that the material complies with the specifications listed in the applicable drawing. - “3.2 Assembly. The sequential timer shall comply with all re
17、quirements specified on the drawing (dwg) 12551040, with all requirements specified herein, and with the requirements of all applicable specifications to the extent specified on the drawing herein. 3.3 First article testing. Requirements for the submission of first article samples by the contractor
18、shall be as specified in the contract (see 4.3). 3.4 Serialization. A six letter serial code shall be assigned to the item. Serial codes required on these items shall be obtained by means of a letter addressed to: Commander, AMCCOM, ATTN: AMSMC-QAN-Q(D), Picatinny Arsenal, New Jersey, 07806-5000. Th
19、e letter of request shall include: 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-q588bA 11 H 7777706 0307072 3 MIL-T-45886A (AR) a. Exact nomenclature of the item as specified on the applicable drawing. b. Name of the contractor. c. Contrac
20、t number or procurement request order number. d. Nuiiiber of serial codes required (unused code numbers shall be returned). e. Security classification if the quantity of six letter codes requested reveals classified production quantities. 3.5 Coded serialization requirements (see 6.2.2). The contrac
21、tor shall supply feedback data on punch cards for any item for which coding is required -in section 3. The feedback data shall be in accordance with QAI-PA-1. *3.6 Continuity 1002. The connector shall show a maximum resistance of 20 milliohms cross pins 24 and 39, and 50 milliohms across pins 40, 41
22、, 4 and 25. Testing shall be as specified in 4.5.1. 3.7 Input power. “3.7.1 Input current. Channels A and B of the integrated circuit portionmer circuit shall draw 400 milliamperes (ma) maximum and channel C shall draw 235 ma maximum when an input voltage of 6.5 + 0.25 volts direct current (vdc) is
23、ap-plied. Testing shall be as sFecified in 4.5.2. *3.7.2 Input voltage. The timer shall operate from a 6.5 + 0.75 to 6.5 - 0.50 vdc interrupted power source. Channels A, B and C shall be powered by separate input power lines that can be interrupted during test, “3.8 Output current. Each output curre
24、nt pulse and duration at the extreme temperatures of 140 + 5OF shall be limited to the magnitudes as specified in Table (1 Ehen tested as specified in 4.5.3. .4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-LICBbA 11 7737706 0307073 5 MIL-T-4
25、5886A( AR) TABLE I. - Output current Signal Connector Return Cur r en t Name Pin - to - Pin (Amperes) T1A T1B T2A T2B T3A T3B TDCOA TDCOB TSCO TDEA TDEB *3.9 Siana o 7 6 18 19 51 45 20 21 50 12 11 30 or 31 30 or 31 30 or 31 30 or 31 16 or 9 16 or 9 16 or 9 15 14 16 or 9 4 + 0.4 16 or 9 4 T 0.4 2 T 0
26、.2 2 T 0.2 2 T 0.2 2 T 0.2 2 T 0.2 2 T 0.2 2 T 0.2 0.100 + 0.02 0.100 T 0.02 - itput. Th sequential tim r, as described i i 11251040, is a dual channel output device (with the exceotion of the single channel TSCO signal)-wherein, ail outputs are-drived from three input sections of information. As lo
27、ng as two out of the three input sections provide coincident data, there will be an output. Time pulses shall be as specified in Table II. Testing shall be as specified in 4.5.4. TABLE II. - Signal output Test Switch Time Pulse Accuracy Test Code No. (see 3.5) Cycle Identi Pos Identi Sec A T1 h S* T
28、DE 1 T1 t O T1 S T1 u O T2 S TDCO S TSCO S TDCO/SCO R T3 S *S denotes Safe Position B T1 h T1 t T1 u TDCO/SCO C T1 h T1 t T1 u TDCO/SCO O S O R O O S R TDE 1 Tl S T2 S T3 S TDCO S TSCO S TDE 1 T1 S T2 S T3 S TDCO S TSCO S Chan A Chan B 060 O 60 060 060 060 060 060 060 060 060 060 060 060 060 060 060
29、 060 060 O01 002 003 004 005 006 007 008 O09 O10 o11 012 013 014 015 016 017 018 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 101 102 103 104 105 107 108 109 110 111 113 114 115 116 117 118 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
30、 IHS-,-,-Test Cycle D E F G H I J a MIL-T-45bA 11 H 977790b 0309074 7 MIL-T-45886A(AR) TABLE II. - Signal output (cont) Switch Ident i Pos T1 h T1 t T1 u TDCO/SCO T1 h T1 t T1 u TDCO/SCO T1 h T1 t T1 u TDCO/SCO T1 h T1 t T1 u TDCO/SCO T1 h T1 t T1 u TDCO/SCO T1 h T1 t T1 u TDCO/SCO T1 h T1 t T1 u TD
31、CO/SCO O O O S O 1 5 R O 1 6 P O 2 2 R O 3 3 T O 4 4 U O 5 5 V Time Identi TDE T1 T2 T3 TDCO TSCO TDE T1 T2 T3 TDCO TSCO TDE T1 T2 T3 TDCO TSCO TDE T1 T2 T3 TDCO TSCO TDE T1 T2 T3 TDCO TSCO TDE T1 T2 T3 TDCO TSCO TDE T1 T2 T3 TDCO TSCO Pulse Accuracy Test Code No. (see 3.5) Sec 1 S S S S S 1 S S S S
32、 S 1 16 19 22 45 55 1 22 25 28 56 66 1 33 36 39 67 77 1 44 47 50 78 88 .1 . 55 58 61 89 99 6 - Sec Chan A Chan B +0.1 060 N/A 060 060 060 N/A 060 N/A 060 N/A N/A +0,1 060 /A 060 N/A 060 N/A 060 N/A 060 N/A 060 - +0.1 060 - +0.0080 060 +0.1 060 - +0.1 060 - +0.1 060 - +0.0275 060 - +0.1 060 - +0.0110
33、 060 - +0.1 060 - +0.1 060 +0.1 060 - +0.0330 060 - - +0.1 060 - +0.0165 060 - +0.1 060 - +0.1 060 - +0.1 060 +0.0385 060 - +0.1 060 - +0.022 060 - +0.1 060 - +0.1 060 - +0.1 060 - +0.0440 060 - - +0.1 060 - +0.0275 060 - +0.1 060 - +0.1 060 - +0.1 060 - +0.0495 060 o19 020 021 022 023 O 24 025 026
34、027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 051 052 053 054 055 056 057 058 059 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 119 120 121 122 123 125
35、126 127 128 129 131 132 133 134 135 137 138 139 140 141 143 144 145 146 147 149 150 151 152 153 155 156 157 V Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- flIL-T-4ChA 11 777770b 0307075 7 M MIL-T-45886A( AR) TABLE II. - Signai output (cont) Test
36、Cycle K L M N O P T1 h T1 t T1 u TDCO/SCO T1 h T1 t T1 u TDCO/ s CO T1 h T1 t T1 u TDCO T1 h T1 t T1 u TDCO/SCO T1 h T1 t T1 u TDCO/SCO T1 h T1 t T1 u TDCO/SCO O 6 6 w O 7 7 X O 8 8 N O 9 9 U 1 O O Y 2 2 1 Z Switch Identi Pos , Time Identi TDE T1 T2 T3 TDCO TSCO TDE T1 T2 T3 TDCO TSCO TDE T1 T2 T3 T
37、DCO TSCO TDE T1 T2 T3 TDCO TSCO TDE T1 T2 T3 TDCO TSCO TDE T1 T2 T3 TDCO TSCO Pulse Accuracy Test Code No. (see 3.5) , Sec 1 66 69 72 100 110 1 77 80 83 110 120 1 88 91 94 N/A N/A 1 99 102 105 78 88 15 100 103 106 120 130 15 221 224 227 130 140 Sec Chan A Chan B +0.1 060 - +0.0330 060 - +0.1 060 - +
38、0.1 060 - +0.1 060 - +0.0550 060 +0.1 060 70.0385 060 - +0.1 060 - +0.1 060 - +0.1 060 +0.0600 060 - +0.1 060 +0.0440 060 - +0.1 060 - +0.1 060 060 060 - - - +0.1 060 T0.0495 - 060 - 10.1 060 - +0.1 060 +0.1 060 T0.0650 060 - - +0.1 060 +0.0495 060 - 10.1 060 - +0.1 060 +0.1 060 T0.0650 060 +0.1 060
39、 +0.1105 060 - 10.1 060 - +0.1 060 +0.01 060 +0.0700 060 - - - - Disconnect Power from J1 Connector Pin 26 061 062 063 064 065 066 067 068 069 070 071 072 073 074 075 076 077 078 079 080 081 082 083 084 085 086 087 088 089 O90 O91 092 093 094 095 096 060 060 060 060 060 060 060 060 060 060 060 060 0
40、60 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 060 161 162 163 164 165 167 168 169 170 171 173 174 175 176 177 179 180 181 182 183 185 186 187 188 189 191 192 193 194 195 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-45b
41、A LL m 7777706 0307096 O m MIL-T-45886( AR) TABLE II. - Signai output (cont) Test Switch Time Pulse Accuracy Test Code No. (see 3.5) Cycle Identi Pos Identi Sec Sec Chan A Chan B a Tl h O TDE 1 -+o. - 1 060 +0.0110 060 T1 t 2 T1 22 T1 u 2 T2 25 - +0.1 060 TDCO/SCO R T2 28 - +0.1 060 TDCO 56 +0.1 060
42、 TSCO 66 - T0.0330 060 - Reconnect Power to J1 Connector Pin 26 Disconnect Power from 51 Connector Pin 27 R T1 h O TDE 1 - 4-0.1 -N/A +o.oiio N/A -. T1 t 2 T1 22 T1 u 2 T2 TDCO/SCO R T3 25 - +0.1 N/A 28 c +0.1 N/A TDCO 56 - +0.1 N/A +0.0330 N/A - TSCO 66 Reconnect Power to J1 Connector Pin 27 Discon
43、nect Power from J1 Connector, Pins 27 and 33 S T1 h O TDE S N/A 060 T1 t 2 T1 S N/A 060 T1 s 2 T2 S N/A 060 TDCO/SCO R T3 S N/A 060 TDCO S N/A 060 TSCO S N/A 060 Reconnect Power to J1 Connector, Pins 27 and 33 Abbreviation Key for Table II: CYC Cycle Identi Identification Pos Position Sec Seconds Te
44、st No. Test Identification Number Chan Channel h Hundreds t Tens U Units N/A Not Applicable S Safe, No Signal Event 8 200 201 202 203 204 205 212 213 214 214 216 217 N/A N/A N/A N/A N/A N/A 060 060 060 060 060 060 060 060 060 060 060 060 206 207 208 209 210 211 220 221 222 223 Provided by IHSNot for
45、 ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-T-45bA IL 7777706 0307077 2 W MIL-T-45886A( AR) *3.10 Environmental testinq (see 4.5.5). The unit shall environmentally meet all the requirements of the Lance Stockpile to Target Sequence (STS), some f which are classi
46、fied. Thoie unclassified environments required for First Article Testing and are applicable to in process screening procedures and are reiterated below. I 3.10.1 Low temperature. The sequential timer shall withstand exposure to a chamber temperature of -40 + 5 degrees Fahrenheit (OF) for a minimum o
47、f four (4) hours without evidence of external damage (see 6.4) and shall be tested as specified in 4.5.5.1 for compliance with 3.7.1 and 3.9. *3.10.2 High temperature. The sequential timer shall withstand exposure to a chamber temperature of 140 + 5 degrees Fahrenheit (OF) for a minimum of four (4)
48、hours without evidence of external damage (see 6.4) and shall be tested as specified in 4.5.5.2 for compliance with 3.7.1 and 3.9. *3.10.3 Vibration. 3.10.3.1 Transportation vibration at high temperature. The sequential timer shall withstand at 140 + 5OF vibration tests along each of its three (3) m
49、utually perpendicular axis. vibratiori schedule shall be 10-2000-10 hertz at 0.015 inch double amplitude (da) or 15 input peak gravity units (9) which ever is less for three minutes (3) total, 1.5 minutes up and 1.5 minutes down, twice in each axis. The timer shall be tested as specified in 4.5.5.3.1. The 3.10.3.2 Operational vibration. The sequential timer shall withstand vibration t
