1、NIL-F-81966 12 7797906 0360174 7 MIL-F-81966 (AS) 19 April. 1972 Superseding AS-1688C 28 September 1971 MILITARY SPECIFICATION FUZE FUNCTION CONTROL SET AN/AWW-4(V) This specification has been approved by the Naval Air Systems Command, Department of the Navy. 1. SCOPE 1.1 .Scope - The equipment cove
2、red by this specification shall be for airborne use and shall provide four.pilot selectable d-c voltage options of two levels and two polarities for use with electric bomb and missile fuzes. 1.2 Classification - The equipment covered by this specification shall consist of the following items : Type
3、Designation App li cab 1 e Paragraph PP - 64 19 / AWW - 4 (V) C-8441/AWW -4 (V) C - 8442 / AWW - 4 (V) MX-8556/AWW-4(V) MX - 85 5 7 / AWW - 4 (V) MX-8558/AWW-4 (V) MX -9 169/AWW - 4 (V) 3.5.1 3.5.2 3.5.2 3.5.3 3.5.4 3a5.5 3.5.6 1.3 Associated Equipment - This equipment shall operate with the associa
4、ted equipment listed in 6.6. 2. APPLICABLE WCMENTS 2.1 General - The following documents of the issue in effect on the date of invitation or bids form a part of this specification to the extent specified herein: FCS- 1290 THIS DOCUMENT CONTAtNSdLPAGES Provided by IHSNot for ResaleNo reproduction or
5、networking permitted without license from IHS-,-,- MIL-F-BL76b 12 777770b 0360175 7 MI L-F-$1966 (AS) SPECIFICATIONS * Mi lit ary MIL-E-5400 Electronic Equipment, Aircraft, General Specification for MI L-T-5422 Testing, Environmental, Aircraft Electronic Equipment MIL-T-5442 Thread Compound, Antisei
6、ze and Sealing, Oxygen Systems MIL-I-6181D Interference Control Aequirements Aircraft Equipment MIL-E-17555 e MIL-T- 18303 STANDARDS Mi li t ary MI L-STD- 10 5 MI L-STD-704 MI L-STD-781 MIL-STD-794 Electronic and Electrical Equipment, Accessories and Repair Parts; Packaging and Packing of Test Proce
7、dures; Preproduction, Acceptance and Life, for Aircraft Electronic Equipment, Format for Sampling Procedures and Tables for Inspection by Attributes Electric Power, Aircraft Characteristics and Utilization of Reliability Tests, Exponential Distribution Parts and Equipment, Procedures for Packaging a
8、nd Packing of MIL-STD-810 Environmental Test Methods DRAW I NGS Naval Air Systems Command DL 67A24F1 DL 125AS1000 DL 126AS100 . Data List for C-8441/AWW-4(V) and C-8442/AWW-4(V) DL 67A21D1 DL 67A22D1 DL 203AS100 DL 67A35F1 Data List for Fuze Function Control Set AN/AWW-4(V) Data List for PP-6419/AWW
9、-4(V) Data List for MX-8557/AWW-4(V) and MX-8558/AWW-4(V) Data List for MX-8556/AWW-4(V) Data List for MX-9169/AWW-4(V) Data List or MT-3804/AWW-2A 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-BLSbb 12 W 997770b 0360376 O - MIL-f31966 (AS)
10、 PUBL KATIONS Military ANA Bulletin No. 400 Applicable Documents Electronic Equipment; Aircraft and Guided Missiles, 2.1.1 Availability of Documents - (1) When requesting specifications, standards, drawings, and publications refer to both title and number. applicable specifications and documents req
11、uired by contractors in connection with specific procurement functions may be obtained upon application to the Commanding Officer, Naval Supply Depot, Code 105, 5801 Tabor Avenue, Philadelphia, Pennsylvania 19120. Copies of this specification and 3. REQUIREMENTS 3.1 testing. Preproduction - This spe
12、cification makes provision for preproduction 3.2 Parts and Materials - 3.2.1 General Requirements - The parts and materials specified in the drawings and related documents for use in construction of this equipment were selected to ensure the fulfillment of all requirements of this specification. Any
13、 deviation by the contractor from the use of these specified parts and materials necessarily places both the burden of proof for the acceptability of the change, and the cost associated therewith, upon the contractor. requested from the procuring activity by the contractor and granted by the procuri
14、ng activity prior to submission of equipments for preproduction tests. parts and material deviations shall not be construed by the contractor to constitute a waiver of the performance requirements or any other requirements of this specification. Approval for deviations must be Approval of 3.2.1.1 No
15、nstandard Parts and Material Approval - Approval for the use of nonstandard parts and materials shall be obtained by the contractor as outlined in MIL-E-5400. 3.2.2 Supplemental Requirements - In the event that the contractor proposes to alter $he equipment design delineated by this specification an
16、d applicable drawings, the following supplemental requirements for the selection of parts and materials are applicable. 3.2.2.1 Basic Conformance - Parts and materials selected fo? use in the equipment shall conform to the requirements of MIL-E-5400. Parts shall be selected from those parts included
17、 in ANA Bullein No. 400, unless the parts listed therein will not perform adequately in the intended applications and environments specified herein 3.2.2.2 Interchangeability - The equipment shall meet the interchangeability requirements of MIL-E-5400. shall be the standard for measuring interchange
18、ability of all applicable units, assemblies, subassemblies, and parts. The drawings listed in DL 67A24F1 and related lists 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL*-81966 ( AS) 3.3 Design and Construction - The equipment shall be manufac
19、tured in accord- ance with the drawings and subsidiary specifications listed in DL 67A24F1 and related lists, except insofar as errors of omission or commission on the drawings may be in- compatible with the requirements of this and related specifications. In any case it is a condition of final acce
20、ptance that the equipment manufactured meet all the per- formance requirements of this specification, and such acceptance test documents as may be applicable. Proposed changes, either to correct drawing discrepancies or to effect improvements, shall be specifically approved by the procuring activity
21、 prior to their incorporation. 3.3.1 Total Weight - The total weight of the equipment shall be as specified in the detail equipment requirements. See paragraph 3.5. 3.3.2 Reliability - 3.3.2.1 0perating.Life - The equipment shall have a minimum total operating life of 10,000 hours with reasonable se
22、rvicing and replacement of parts. 3.3.2.2 Rdiability in Mean-Time-Between-Failure (MTBF) - The equipment shall have a specified mean (operating) time between failures of 1000 hours as defined in MIL-STD-781 when tested and accepted in accordance with 4.4.3 of this specification. 3.3.3 Interference C
23、ontrol - The generation of radio interference by the equip- ment and the vulnerability of the equipment to radio interference shall be within the limits of MIL-I-6181D during steady state no load operation. not apply during switching operations or when the system is pickled. This requirement does 3.
24、3.4 Standard Conditions - The following conditions shall be used to establish normal performance characteristics under standard conditions and for making laboratory bench tests. Temperature Room ambient (25 2 OC) Al titude Normal ground Vibration None Humidity Room ambient up to 90% relative Input p
25、ower voltage 115 +- 1.0 volts, 400 5 cps a-c and 27.5 +- 0.5 volts d-c 3.3.5 Service Conditions - The equipment shall operate satisfactorily under any of the environmental service conditions or reasonable combination of these con- ditions as specified in MIL-E-5400 for class 2 equipment, except as m
26、odified herein. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-817bb 12 7777706 0360378 9 - MIL - F-81966 ( AS) 3.3.5.1 Tests - The Fuze Function Control Set AN/AWW-I(V) shall pass the following tests of MIL-E-5400 as detailed in MIL-T-5422:
27、 a. Temperature-Altitude for Class 2 equipment steps 1 through 6 only except that the 4 hours, 7l0C temperature exposure at ambient pressure of step 6 shall be modified to 4 hours, 7loC, at 70,000 feet al ti tude b. Vibration c. Shock d. Humidity e. Salt Fog f. Explosion per test procedure I The tes
28、ts specified shall be conducted in the order specified in MIL-T-5422. The equipment shall be operated during testing where specified in MIL-T-5422 and meet the applicable performance requirements of 3.4. verified at the-completion of each test. Equipment performance shall be 3.3.6 operations shall n
29、ot exceed 1 minute under standard conditions and 2 minutes at extreme service conditions. the voltage drift test of 3.4.9. Warm-up Time - The time required for the equipment to warm up prior to No warm-up time shall be permitted prior to performing 3.3.7 Input Electrical Power - 3.3.7.1 Operating Po
30、wer - The equipment shall meet all applicable requirements of MIL-STD-704 and shall give specified performance when energized from the following power sources having characteristics and limits as defined in MIL-STD-704 and herein. The power required shall not exceed the specified amounts. (1) AC Pow
31、er (Three Phase), 115/200V, Category B, 1000 VA (a) Extreme limits: 106 to 120 volts a-c line to neutral, 370 to 430 Hz (2) DC Power, 28V, Category B, 15 Watts (a) Extreme limits: 24 to 30 volts d-c 3.3.7.2 Lighting Power - Input power for lighting shall require not more than 1 amp at 5 volts or 0.5
32、 amps at 28 volts. 3.3.7.3 Degraded Performance - Degraded performance will be permitted for voltage transients not exceeding 0.5 second during normal electrical system operation. equipment. Operation shall return to normal with no resulting damage to the 5 Provided by IHSNot for ResaleNo reproducti
33、on or networking permitted without license from IHS-,-,-MIL-F-17bb 12 = 9777706 0360177 b MI -F-81966(AS) 3.4 plus any and all performance requirements stated on the drawings of DL 67A24F1 and related lists. both standard and extreme semice conditions. for service conditions are acceptable, such var
34、iations are specified. otherwise noted, the performance is specified with the Control Box snd Power Supply interconnected, operating power applied and the wheels interlock circuit closed in accordance with the test circuit of figure 1. The high voltage output of the power supply appears across pins
35、A and B of 152 only when the pickle switch is closed (see 3.4.12). Performance - The performance of the equipment shall be as set forth below Unless otherwise specified, these requirements shall apply under When reduced performance requirements Unless 3.4.1 No Load Voltage Adjustments at Standard Op
36、erating Power Input. These adjustments shall be made only once and only at the beginning of the series of. preproduction or acceptance tests listed in table 1. permitted to warm-up and stabilize prior to making these adjustments. applicable test requirements shall be met without further adjustment.
37、shall not be readjusted for each environmental exposure after the initial adjustments have been made. The equipment shall be All The equipment 3.4.1.1 VT Position - With the Fuze Function Control switch in the VT position the power supply output shall be adjusted to +300 2 1.0 volts d-c under standa
38、rd conditions. . 3.4.1.2 INST Position - With the Fuze Function Control switch in the INST position the power supply output shall be adjusted to +195 - + 1.0 volts d-c under standard conditions 3.4.2 3.4.2.1 No Load Voltage at Standard Operating Power Input - VT Position - With the Fuze Function Con
39、trol switch in the VT position, the power supply output shall be within +1.0 volt of 3.4.1.1 at 25 + 10C. other temperatures the output shall be wrthin + 2.0 volts of 3.4.1.1, from the VT position to the DLY 2 position, the polarity of the power supply output must be negative and the magnitude of th
40、e output voltage shall not vary more than - +0.5 volts from the voltage of 3.4.2.1. At all 3.4.2.2 DLY 2 Position - When the Fuze Function Control switch is switched 3.4.2.3 INST Position - With the Fuze Function Control set in the INST position,the power supply output shall be within +0.8 volt of 3
41、.4.1.2 at 25 - + 10C. At all other temperatura the output shall be withFn - +1.0 volt of 3.4.1.1. from the INST position to the DLY 1 position, the polarity of the power supply output must be negative and the magnitude of the output voltage shall not vary more than +0.5 volt frotn.the voltage of 3.4
42、.2.3. 3.4.2.4 DLY 1 Position - When the Fuze Function Control switch,is switched $?3IY.r ,. 3.4.3 3.4.3.1 No Load shall appear at 1J2-B within 20 milliseconds of the application of 28 V d-c (pickle voltage) to pin 1J1-M of the power supply and shall remain as long as the 28 V ib applied to pin M. 3.
43、4.12.2 Delay Time - Plie-output voltage shall remain at 1J2-B for 0.7 to 2.0 seconds after the voltage applfed to pin 1J1-M is removed. . 3.4.13 High Voltage IndIcatin I 3.4.13.1 Turn On Level - The power supply shall establish a ground path through pin 1J1-E to complete the circuit which turns on t
44、he HVDC indicator lamp on the control box when the highvoltage d-c generated in the power supply exceeds 93 percent of: +300 volts with FFC switch in the VT position +195 volts with FFC switch in the INST position a. b. c. d. Turn Off Level - The HVDC lamp on the control box shall not illuminate whe
45、n the high voltage generated in the power supply is less than 75 percent of the levels specified in 3.4.13.1. -195 volts with FFC switch in the DLY1 position -300 volts with FFC switch in the DLY2 position 3.4.13.2 3.4.14 out of 152) the d-c resistance between pins 152-8 and 1J2-B shall be 470 ohms
46、- + 15 percent. Resistance at Output - With the pickle circuit de-energized (no HVDC 3.5 Detail Requirements - 3.5.1 Power Supply PP-6419/AWW-4(V) - The Power Supply PP-6419/AiW-4(V) shall be manufactured in accordance with the documents listed on DL 125AS1000 and shall meet the requirements stated
47、thereon and in the following subparagraphs. 3.5.1.1 Function - The Power Supply PP-6419/AWW-4(V) converts 3 $ 400 Hz power to +300 and 5195 volts d-c for use with electric bomb and missile fuzes. Any - 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
48、-,-MIL-F-1766 12 9 7777906 03bOLLi T i MIL-F-81966 (AS) one of these four regulated d-c voltages can be selected by using the control signal from Control Box C-8441 or C-8442/AWW-4(V) or their equivalent, signals activate an a-c power interlock relay and a relay that applies the selected voltage to
49、the output connector. illuminate a light on the cockpit control to indicate the presence of the high voltage in the power supply. C-8442 control box or equivalent, shall meet the requirements of 3.4. -. Weight - The weight of the Power Supply PP-6419/AWW-4(V) shall not Content - The power supply contains the following assemblies and Other external The power supply also provides a signal to The power supply, when actuated using the C-8441 or 3.5
