1、.a- m e i) s-37-14 MIL-D-8558B(AS) 28 MARCH 1988 SUPERSEDING (see Section 6) MILITARY SPECIFICATION DEVICE, SAFETY AND ARMING, FUZE, DUMMY, FSU-lO(D-l)/A AND DEVICE, SAFETY AND ARMING, FUZE, TRAINING, FSU-lO(T-l)/A This specification is approved for use within the Naval Air Systems Command, Departme
2、nt of the Navy, and is available for useby all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification establishes the requirements for manufac- ture and acceptance of two types of fuzes as classified in 1.2 and described in 3.1. 1.2 Classification. Fuzes covere
3、d by this specification are of the following types: Type 1 Device, Safety and Arming, Fuze, Drawing 113782076 DWY, FSU-lO(D-l)/A Type II Device, Safety and Arming, Fuze, Drawing 1137AS2077 Training, FSU-lO(T-l)/A Beneficial comments (recommendations, additions, deletions) and any pertinent data whic
4、h may be of use in improving this document should be addressed to: Commanding Officer, Naval Air Engineering Center, Systems Engineering and Standardization Department (SESD), Code 93, Lakehurst , NJ 08733-5100, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426)
5、 appearing at the end of this document, or letter. AMSC NO.N/A I FSC 1336 I DISTRIBUTION STATEMENT A: Approved for public release. Distribution is unlimited. 7 THIS DOCUMENT CONTAINS 42-, . PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D
6、-85580B 131 777770b 03b527i T I BIL-D-8558OB (AS) 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documen
7、ts shall be those listed in the tssue of the Department of Defense Index of Specifications and Standards fDODISS) and supplement thereto, cited in the solicitation. SPECIFICATION Federal W-T-81 Tag, Shipping and Stock. BB-N-411 Nitrogen, Technical. MIL-D-85465 STANDARDS FEDERAL FED-STD-102 MILITARY
8、MIL-STD-105 MIL-STD-129 MIL-STD-331 , MIL-STD-454 Device, Safety and Arming, Fuze FSU-1O/A. Preserva$ion, Packaging, and Packing Leveis. Sampling Procedures and Tables for Inspection by Attributes. Marking for Shipment and Storage. . Fuze and Fuze Components, Environmental and Performance Tests for.
9、 Standard General Requirements fok Electronic Equipment. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-810 MIL-STD-1695 Environmental Test Methods and Engineering Guidelines. Environments, Working, Minimum Standards for. DOD-STD-1866 Sold
10、ering Process General (Non- electrical). MIL-STD-45662 Calibration Systems Requirements. - : Ed *a 2.1.2 Other Government drawings and publications. The following other Government drawings and publications form a part of this specification to be those in effect on the date of the solicitation. - the
11、 extent specified herein. Unless otherwise specified, the issues shall DRAWINGS Naval Air Systems Command (Code Ident 30003) 1137AS196 11 3 7AS200 1137AS223 1137AS225 SA1137AS824 1137AS1531 1137AS1582 1137AS2027 1137AS2031 1137AS2076 I 1137AS2077 Switching Sequence. Fuze, Safety and Arming Device, F
12、uze FSU-1O/A. Ignition Safety Mechanism. Squib, Electric, Single Bridgewire. Test Chamber, Closed. Diaphragm. Container, Shipping and Storage. Safe-Arm Assembly Inert. Ignition Safety Mechanism, Inert. Fuze, Safety and Arming Device, Dummy, FSU-lO(D-l)/A. Fuze, Safety and Arming Device, Training, FS
13、U-1O(T-1)/A. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-855OB 13 m 777770b 0365274 3 = MIL-D-85580B(AS) PUBLICATIONS Naval Air Systems Command (Code Ident 30003) WS-6536 Procedures and Requirements for Preparation and Soldering of Electr
14、ical Connections. (Copies of specifications, standards, drawings, and publications required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2.2 Other publications. The following document(s)
15、 form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted shall be those listed in the issue of the DODISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODIS
16、S shall be the issue of the nongovernment documents which is current on the date of the solicitation. AMERICAN SOCIETY FOR TESTING MATERIALS (ASTM) A 108 Steel Bars, Carbon, Cold-Finished, Standard Quality. (Application for copies should be addressed to the American Society for Testing and Materials
17、, 1916 Race Street, Philadelphia, PA 19103.) CODE OF FEDERAL REGULATIONS (CFR) 49 CFR 171-178 Transportation. (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, DC 20402.) 2.3 Order of precedence. In the event of a conflict between
18、 the text of this specification and the references cited herein, (except for MS stan- dards) the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regula- tions unless a specific exemption has been obtained, 4 Provided by IH
19、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-85580B 13 777770b 03b5275 5 MIL-D-85580B(AS) 3. REQUIREMENTS 3.1 Item description. The Type I and Type II fuzes simulate the fully xplosive-loaded FSU-1O/A Fuze, Safety and Arming Device (see- Drawing 1137AS200
20、) which provides safety-armng-firing of the rocket motor and safety-arming of the warhead of the Phoenix AIM-54 Guided Missile. a. Type I. The Type I dummy (inert) fuze (see Drawing 1137AS2076) contains no explosives or pyrotechnic components. simulate the electrical resistances of the MARK 71 Elect
21、ric Detonators and the Single Bridgewire Electric Squibs, resistors have been electrically connected into the appropriate cir- cuits. The resistance values of these resistors have been selected to provide apositive indication that the fuze con- tains no explosive or pyrotechnic components. In order
22、to b. Type II. The Type II training (squib-loaded) fuze (see Drawing 1137AS2077) contains two pyrotechnic components (two Single Bridgewire Electric Squibs) and no explosive com- ponents. To simulate the MARK 71 Electric Detonators, a resistor has been electrically connected into the detonator circu
23、it. The resistance value of this resistor has been selected to provide a positive indication that the fuze con- tains no explosive components; 3.1.1 Major components. The Type I and Type II fuzes are comprised of the following major components: a. Ignition safety mechanism (ISM) assembly (see Drawin
24、g 1137AS2031 (Type I) and Drawing 1137AS223 (Type II), which contains the two Single Bridgewire Electric Squibs (see Drawing 1137AS225) of the Type II fuze. b. Warhead safe-arm (S-A) assembly. (see Drawing 1137AS2027). 3.2 Characteristics. Unless otherwise specified herein, the following requirement
25、s apply to both the Type I and the Type II fuze,.referred to herein as “the fuze“. 3.2.1 Performance. The performance characteristics of the fuze shall be as specified herein. fabrication, as applicable, on each fuze fabricated in accordance with Drawing 1137AS2076 or 1137AS2077 and all lower tier d
26、rawings. These requirements shall be met during or after 3.2.1.1 Solenoid actuation. 3.2.1.1.1 Intent-to-launch (ITL) solenoid. The ITL solenoid shall actuate while 97 +23, -27 volts direct current (Vdc) is applied across pin T(+) and - c(-) of connector 651. 5 Provided by IHSNot for ResaleNo reprod
27、uction or networking permitted without license from IHS-,-,-MIL-D-85580B 13 777790b 03b527b 7 MIL-D-85580B(AS) NOTE: at 70 Vdc and 120 Vdc and all voltages in between. The ITL solenoid must operate 3.2.1.1.2 Active-transfer-initiate (ATI) solenoid. The AT1 solenoid shall actuate when a voltage of 97
28、 +23, -27 Vdc is applied across pins T(+) and Y(-) of coruiector 651. NOTE: at 70 Vdc and 120 Vdc and all voltages in between. The AT1 solenoid must operate 3.2.1.2 Ignition safety mechanism (ISM) arming. Mechanical arming of the ISM shall occur within 100 to 250 milliseconds (ms) after actuation of
29、 the ITL solenoid and when a force between 110 and 600 pounds is applied along the axis of the pull pin in an extending direction (see Figure 1). The resistance of the armed ISM between pins J(+) and M(-) of connector 9J1 shall be from 16.0 to 20.5 ohms for the Type I fuze or 2.30 to 3.50 for the Ty
30、pe II fuze when measured with a resistance measuring device that has a current of not greater than 10 milliampere (mA) while applying 28 f4 Vdc (fire signal) across pins C(+) and B(-). 3.2.1.3 Resistance, voltage, and capacitance (safe condition). All fuze electrical assemblies shall meet the resist
31、ance, voltage, and capacitance requirements spec-ified in Table I at ambient temperature while in the safe condition (see 6.3.1). 3.2.1.4 Resistance (armed condition), With the fuze in the armed con- dition (see 6.3.2), with and without simulated rocket motor pressure (140 - 600 pounds) applied, the
32、 resistance between pins L(+) and - c(-) of connector 651 shall be 12.3 to 16.2 ohms. 3.2.1.5 Electrical arming sequence. The voltage steps recorded across pins P(+) and c(-) of connector 651 shall be in accordance with the sequence shown-on Figure 2 when the input voltage at pins T(+) and b(-) is 9
33、7 +23, -27 Vdc and the fuze is operated through the normal functional cycle. Also the voltage pulse recorded across pins R(+) and - c(-) of con- nectar 651 shall be in accordance with Figure 3. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-
34、855OB 13 m 7977706 0365i77 7 W - MIL-D-85580B(ltS) O s O I a 3.2.1.6 Safe-arm (S-A) arming. 3.2.1.6.1 Late ATI. After ISM arming, the warhead S-A assembly shall run to and stop at the AT1 stop position when 350 to 900 pounds per square inch (psi) simulated rocket motor pressure is applied to the fuz
35、e. shall arm upon AT1 solenoid actuation. The fuze 3.2.1.6.2 Early ATI. The fuze shall arm within 8.0 to 11.0 seconds, and switching shall be as shown on Figure 2. 3.2.1.6.3 ITL solenoid deactivation. When the S1D switch opens at 35 degrees rotation during S-A arming sequence, the ITL solenoid shall
36、 deac- tivate in less than 1.4 seconds after this occurance and return to the unenergized state locking the arming energy into the fuze S-A assembly. 3.2.1.7 Safety determination. The fuze shall be in the safe condition (see 6.3.1) prior to, remain safe during, and no explosive or pyrotechnic compon
37、ent shall initiate as a result of the following test sequence: a. Application of 50 f2 Vdc across pins L(+) and c(-) of connec- - tor 651 for not less than 100 ms. b. Application of 28 f4 Vdc across pins J(+) and M(-) of connec- tor 9J1 while applying 28 f4 Vdc across pins C(+) and B(-) of connector
38、 9J1 for not less than 100 ms. 3.2.1.8 - Seal. Drawing 1137AS200. The leakage rate of the fuze shall be in accordance with 3.2.2 Environmental conditions. The fuze shall not be damaged nor shall safety or subsequent performance be degraded by exposure to, the environ- ments specified in 3.2.2-1 thro
39、ugh 3.2.2.5. 3.2.2.1 Temperature and humdity. The fuze shall be safe (see 6.3.3) and operable (see 6.3.4) after exposure to the environment specified in MIL-STD-331, Test 105.1, Single Chamber-Cycling Method. 3.2.2.2 Transportation vibration-temperature. The fuze shall be safe (see 6.3.3) and operab
40、le (see 6.3.4) after exposure to the environment spec- ified in MIL-STD-331, Test 119, Procedure 1. 3.2.2.3 Captive carry flight vibration - temperature. During captive carry flight the fuze shall remain safe (see 6.3.3) and operable (see 6.3.4) followi? exposure to random vibration of 0.01 gravity
41、unit squared per hertz (g /Hz) from 20 to 500 Hz and 0.12 g2/Hz from 1000 to 2000 Hz at tem- peratures of -65 degrees Fahrenheit (OF), ambient, or +160F for 2 hours along each of three mutually perpendicular axes (see Figure 4), 7 Provided by IHSNot for ResaleNo reproduction or networking permitted
42、without license from IHS-,-,-3.2.2.4 Missile flight vibration at AT1 stop position. The fuze shall remain in the AT1 stop position during exposure to not less than 15 minutes of random vibration (5 minutes per axis) having a spectral density of 0.02 g2/Hz, over a bandwidth of 20 to 2000 Hz, with a r
43、oll-off of not less than 6 dB per octave (see Figure 5). fuze shall move to the armed position upon AT1 solenoid actuation. ISM shall remain in the armed condition throughout this testing. After exposure to the environment, the The 3.2.2.5 Pull pin safety. The pull pin shall not extend greater, than
44、 0.150 inch and the fuze (ISM and S-A assemblies) shall remain safe when a force of 900 f10 pounds is applied to the pull pin in an extending direc- tion (see Figure 1). 3.2.3 Ihvirorrrmtai safety, Typ e II 3.2.3.1 Twelve meter drop, Typ e II. The fuze shall be safe (see 6.3.3) No to handle and disp
45、ose of, but need not be operable (see 6.3.4), after exposure to the envirmnt specified in MIL-SfD-331, Test 103.2, Procedure I. pyrotechnic cornpanent shall have burned or detonated during exposure. 3.2.3.2 Jolt T e II. The fuze shall be safe (see 6.3.3) to handie, store, and transpo-not be operable
46、 (see 6.3.4), after exposure to the environment specified in MIL-STD-331, Test 101.3, Procedure I. Pb pyrotechnic component shall have detonated or burned during exposure. 3.2.4 Pyrotechnic train, yp e II, 3.2.4.1 Static squib safety, Typ e II, There shall be no evidence of squib efflux leakage outs
47、ide the fuze housing, nor shall any external diaphragm (Drawing 1137AS1531) rupture when the squibs are initiated with the ISM (mechanical barrier) in the safe position (see 6.3.1). 3.2.4.2 Pyrotechnic train output, Type II. The squibs shall function and produce a pressure in the closed,test chamber
48、 (see Drawing SA1137AS824) of not less than 250 pounds per square inch gage (psig) in 9 ms or less when 28 24 Vdc is applied across pins J(+) and M(-) of connector 9J1 and 28 f4 Vdc is momentarily (not less than 50 ms or greater than 5 seconds) applied to pins C(+) and B(-) of connector 9Jl. 3.2.5 V
49、isual, The fuze shall meet the following requirements: a. There shall be no external damage, such as cracks, broken win- dows, dents, or other defects, which may interfere with func- tioning or fit of the fuze at the next assembly. b. The me I fuze shall have a blue background label in accord- ance with Drawing 1137AS2076 to indicate an inert assembly. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted
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