1、 -_ 5 -37- I 9. _- ML-F-b3231 (2) 13 999990b 0345961 T MIL-F-63231 (AR) AMENDMENT 2 26 APRIL1984 SUPERSEDING AMENDMENT 1 8 September 1983 MILITARY SPECIFICATION FUZE, PIBD, XM740, SECOND ENVIRONMENT SENSOR ELECTRONIC MODULE FOR This amendment forms a part of Military Specification MIL-F-63231 (AR) d
2、ated 3.7 August 1979, and is approved for use by the U.S. Army Armament, Munitions and Chemical Command and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 Title block: Add “(M740)“ to title and wherever it appears 2.1, SPECIFICATIONS: in this specification.
3、 FEDERAL : * Delete : “PPP-T-97 - Tape, Pressure Sensitive, Adhesive, Filament Reinforced“. * Add : “PPP-T-45 - Tape, Gummed, Paper Reinforced and Plain, for Sealing and Securing. PPP-T-60 - Tape, Packaging, Waterproof“ MILITARY: * Delete: “MIL-B-817 05 Barrier Materials, Flexible, Elec trosta tic-F
4、r ee, Heat S ealable II -1 of 7 FSC 1390 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-“MIL-B-117 - Bag, Sleeve and Tubing- interior Packaging! PAGE 2 Other Publications: Delete: “AR700-15 Packaging of Material.“ PAGE 3 3.2.1.1: Delete in its entir
5、ety and substitute the following: “3.2.1.1 Output signals. The SESE shall provide a “go! (arm) signal or a “no go“ (not arm) signal, depending upon the condition and timing of the input signals. The number 1 input signal shall be a single pulse with a voltage rise from O to 15 volts in 80+ 5, -0 mic
6、roseconds and a decay to less than 10 volts at 100+ 10 microseconds and shall be applied to terminals 1 and 2 with terminal I positive and terminal 2 negative. The number 2 input signal shall be a single pulse with a voltage rise from O to 16 volts in 40 + 5 microseconds and shall be applied to term
7、inals 3 and 4 With terminal 3 positive and 4 negative.“ 3.2.1.l.1: Delete in its entirety and substitute the following: “3.2.1.1.1 Go Output signals. The SESE shall produce a “goii signal when input signal number 2 is applied within 180 microseconds or less after the application of input signal numb
8、er 1, as measured from the beginning of each input signal pulse. A “go“ signal shall be a pulse which changes from less than +0.2VDC and maintained at greater than 4.0VDC for 0.7 seconds minimum. This signal shall be measured at terminals fi and 5 with terminal 6 positive and terminal 5 negative. Th
9、e “go signal shall occur within 40 microseconds after the start of input signal pulse number 2 I 3.2.1.1.2: Delete in its entirety and substitute the following: “3.2.1.1.2 No-Go Output siqnals. The SESE shall produce a “no go signal when input signal number 2 is applied at 270 microseconds or more a
10、fter the application of input signal number 1, as measured from the beginning of each input signal pulse. A “no go“ signal shall be a voltage of not greater than 0.2VDC. This siqnal shall be measured at terminals 6 and 5 with terminal 6 posi mainta until tive and terminal 5 negative. ined continuous
11、ly froin the application of signal number 1 the SESE is discharged.“ The “no go“ signal shall be PAGE 4 Figure 1: Delete and substitute the following: 2 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-63231 (2) 13 M 777770b 0345763 3 M _ . MI
12、L-F-63231 (AR) AMENDMENT 2 L -n I 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-63231 (2) 13 m 7779706 03459b9 5 m _ MIL-F-63231 (AR) AMENDMENT 2 PAGE 8 4.5.2.1: Delete in its entirety and substitute the following: “4.5.2.1- Go Output signa
13、l. Apply input signals number 1 and number 2 to proper terminals of the SESE as defined by 3.2.l.1. and with the polarity as specified by 3.2.1.1, and with input signal number delayed 180 + 10, -0 microseconds after input signal number 1, as measured from the beginning of each input signal pulse; th
14、e output measured at terminals 5 and 6 with an instrument of 10 + 2% meg ohm input impedance across a 1.1 5 1% meg ohm resistor chal1 be as specified in 3.2.1.1.1.“ 4.5.2.2: Delete in its entirety and substitute the following: “4.5.2.2 No Go Output signal. Apply input signals number 1 and number 2 t
15、o proper terminals of the SESE as defined by 3.2.1.1 and with the polarity as specified by 3.2.1.1, and with input signal number 2 delayed by 270 + O, -10 microseconds after input signal number 1, as measured from the beginning of each input signal pulse; the output measured at terminals 5 and 6 wit
16、h an instrument of 10 5 2% meg ohm input impedance across a 1.1 - + 1% meg ohm resistor shall be as specified in 3.2.1.1.2.“ 4.5.7: Delete in its entirety and substitute the following: “4.5.7 Environmental tests. With the exception of high and low temperature tests the SESE shall be mounted in a car
17、rier or a test fixture which simulates the mounting of the SESE by its normal means in its normal position in the projectile.“ 4.5.7.1: Delete in its entirety and substitute the following: “4.5.7.1 High temperature. The SESE shall be conditioned at 3.45 4-5, -OF for a minimum of one hour. While at t
18、he high temperature, the units shall be tested as specified in 4.5.2. The tests may be performed outside the temperature chamber if accomplished within one minute after removal from the chamber.“ 4.5.7.2: Delete in its entirety and substitute the following: 4 Provided by IHSNot for ResaleNo reproduc
19、tion or networking permitted without license from IHS-,-,-r MIL-F-63231 (2) 13 7774706 03q5765 7 -_ _-_- - MIL-F-63231 (AR) AMENDMENT 2 “4.5.7.2 Low temperature. The SESE shall be conditioned at -25 +O, -SF for a minimum of one hour. While at the low temperature condition, the units shall be tested
20、as specified in 4.5.2. The tests may be performed outside the temperature chamber if accomplished within one minute after removal from the chamber. NOTE: Care must be taken to prevent frost from forming on the device which will affect the testing.“ 4.5.7.3, lines I and 2: Delete the first sentence i
21、n its entirety and substitute the following: specified in para. 4.5.7.“ “The SESE shall be mounted in a carrier or test fixture as line 3: Delete 11+50F11 and substitute “4-5, 0 OF II - lines 6, 7, and 8: Delete “Remove the . in 4.5.2 in its entirety and substitute the following: “Remove the carrier
22、/SESE assembly from the test projectile. Remove the SESE from the carrier and condition it at t145 +5, -0OF for one hour. While at the high temperature, the units shall be tested as specified in 4.5.2. The tests may be performed outside the temperature chamber if accomplished within one minute after
23、 removal from the chamber.“ PAGE 9 4.5.7.4, lines 1. and 3,: Delete the first sentence in its entirety and substitute the following: “The SESE shall be mounted in a carrier or test fixture as line 3: Delete “55F“ and substitute “+O, -SF“. specified in para. 4.5.7.“ lines 6, 7, and 8: Delete “Remove
24、the . in 4.5.2“ in its entirety and substitute the following: “Remove the carrier/SESE assembly from the test projectile. Remove the SESE from the carrier and condition it at -25 +O, -Fi0F, for one hour. While at the low temperature, the units shall be tested as specified in 4.5.2. The tests may be
25、performed outside the temperature chamber if accomplished within one minute after removal from the chamber. NOTE: Care must be taken to prevent frost from forming on the device which will effect the testing.“ 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
26、 IHS-,-,-MIL-F-b323L (2) 13 W 777770b 03457bb 7 W - _ . _ _ MIL-F-63231 (AR) AMENDMENT 2 PAGE 10 * 5.1, Delete in its entirety and substitute the following: “5.1 Preservation and packaginq - Level B. Place each item in a bag in accordance with Type I, Class F, Style 1 of MIL-B-117 and heat seal bag.
27、 Place bagged items in a partitioned 275 pound test corrugated fiberboard carton. One bagged item per partition cell, Seal the carton with pressure sensitive case sealing tape in accordance with (PPP-T-60) or water remoistenable reinforced gummed case sealing tape in accordance with (PPP-T-45) . I *
28、 S.2 Delete in its entirety and substitute the folowing: “5.2, PACKING - Cartons as described in 5.1 shall be labeled and shipped on individual basis. Unitizing of two or more cartons for shipment is not allowed except in overpack cartons, (optional). Overpack, if used, shall consist of 200 pounds t
29、est corrugated boxes; voids in overpack to be filled with anti-static cushion dunnage. Overpack cartons shall be sealed with PPP-T-60 or PPP-T-45 case sealing tape. Gross shipping weight shall not exceed 65 pounds per carton.“ PAGE 13 Major 101: Delete “Gage“ and substitute “Gage/4.5.3“. Majors 1.02
30、, 103, 104, and 1.05: Delete in their entirety and substitute the following: “1.02 Go signal initiation/output 100% 3.2.1.1.1 4.5.1/4.5.2 103 No go signal initiation/output 100% 3.2.1.1.2 4.5.1/4.5.2“ PAGE 16 Ii L-ajor 101: Delete “Gage“ and substitute “Gage/4.5.3“. Majors 102, 103, 104, and 105: De
31、lete in their entirety and sub- “103 Go signal initiation/output 100% 3.2.1.1,1 “103 No go signal initation/output 100% 3.2.1.1.2 stitute the following: 4.5.1/4. Fi. 2 4 .i . i/ 4 .5 .2 It 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_._ 1 MIL-F
32、-63231 (2) 23 7777706 0345767 O a - MIL-F-63231 (AR) AMENDMENT 2 PAGE 17 Major 102: Delete in its entirety and substitute the following: “102 Conformal coating; 100% 3.3.2 4.5.4“. The margins of this amendment are marked with an asterisk or vertical lines to indicate where changes (additions,modific
33、ations, corrections, deletions) from the previous amendment were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the enti
34、re content irrespective of the marginal notations and relationship to the last previous amendment. Custodian: ArmyTAR P.repar i ng act i vi ty : Army-AR (pro j ec t 139 0-A4 3 0 ) 7 ir U.S. GOVERNMENT PRINTING OFFICE 1984-705-0401A2649 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
