1、MIL-D-85LIb5B 33 797990b 0364933 2 s-37-14 MIL-D-85465B(AS) 29 FEBRUARY 1988 SUPERSEDING 8 October 1986 MIL-D-85465A(AS) MILITARY SPECIFICATION DEVICE, SAFETY AND ARMING, FUZE FSU- 10/A This specification is approved for use within the Naval Air Systems Command, Department of the Navy, and is availa
2、ble for use by all Departments and Agencies of the Department of Defense. c 1. SCOPE 1.1 Scope. This specification establishes the requirements for m ture and acceptance of the FSU-1O/A Safety and Arming Device, Fuze, referred to herein as the fuze. 2. APPLICABLE DOCUMENTS 2.1 Government documents.
3、nuf ac- 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 documents shall be those listed in the issue of the Department of Defense Index of Specifications a
4、nd Standards (DODISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS FEDERAL UU-T- 81 Tag, Shipping and Stock. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commanding Offic
5、er, Naval Air Engineering Center, Systems Engineering and Standardization Department (SESD), Code 93, Lakehurst, NJ 08733-5100, by using the self-addressed Standardizatiox Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter. P THIS DOCUMENT CONTAINS 44 PA
6、GES. -/ AMSC NIA O DISTRIBUTION STATEMENT A: Approved for public release. Distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BB-N-411 M I L I TARY MIL-(3-21723 MIL-L-85297 STANDARDS FEDERAL FED- STD- 102 MILITARY Nitrogen, Tec
7、hnical. Composition CH-6. Lead, Explosive Mark 24 Mod O Mark 25 Mod O. Preservation, Packaging, and Packing Leve 1 s . MIL- STD- 105 Sampling Procedures and Tables for Inspection by Attributes. Marking for Shipment and Storage. Fuze and Fuze Components, Environmental and Performance Tests for. Stand
8、ard General Requirements for Electronic Equipment. MIL- STD- 129 MIL- STD- 331 MIL- STD- 454 MIL-STD-810 Environmental Test Methods and Engineering Guidelines. MIL- STD- 1695 DOD-STD-1866 MIL- STD- 45662 Environments, Working, Minimum Standards for. Soldering Process General (Non- electrical). Calib
9、ration Systems Requirements. _ i 2.1.2 Other Government drawings and publications. The following other Government drawings and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitatio
10、n. DRAWINGS Naval Air Systems Command (Code Ident 30003) 11 3 7AS196 Switching Sequence. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1137AS200 1137AS284 SA1137AS824 1137AS1507 1137AS1531 1137AS1534 1137AS1582 1137AS2040 PUBLICATIONS Naval Air S
11、ystems Command (Code Ident 30003) MIL-D-85465B(A.S) WS- 6536 Fuze, Safety and Arming Device, Fuze FSU- 10/A. Explosive Rotor Assembly. Test Chamber, Closed. Rotary Switch Assembly. Diaphragm. Cover Assembly. Container, Shipping andstorage. Explosive Rotor Nut Assembly. Procedures and Requirements fo
12、r Preparation and Soldering of Electrical Connections. a (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
13、publications. The following document(s) 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 issu
14、es of documents not listed in the DODISS 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
15、American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-D-85465B 13 W 7799706 0364734 8 W CODE OF FEDERAL REGULATIONS (CFR) 49 CFR 171-178 Transportation. (Applica
16、tion 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 the text of this specification and the references cited herein, (except for MS stan- dards) the text of this specific
17、ation shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regula- tions unless a specific exemption has been obtained. 3 REQUIREMENTS 3.1 Item description. The fuze is an electromechanical device which provides two major subfunctions in the AIM-54C Guid
18、ed Missile. The first. subfunction provides safety-arming-firing for the rocket motor, and the second subfunction provides safety-arming for the warhead. The fuze includes a mechanical and electrical out-of-line safety pyrotechnic device which, during the missile launch seqence, arms and initiates t
19、he rocket. motor. mechanically and electrically out-of-line until certain prerequisite missile launch events have occurred, after which time it arms the warhead. The fuze provides an accurate arming time commensurate with the safe separa- tion time of the missile from the launch aircraft. proper fir
20、ing signal (from the target detecting device (TDD) ar the contact The fuze also includes an explosive-train which is maintained . Upon receipt of a . fuze triggering device (FTD), the fuze detonates the booster. 3.2 Characteristics. 3.2.1 Performance. The performance characteristics of the fuze shal
21、l be as specified herein. 3.2.1.1 Solenoid actuation. 3.2.1.1.1 Intent-to-launch (In) solenoid. The ITL solenoid shall actuate while 97 +23, -27 volts direct current (Vdc) is applied across pin T(+) and - c(-) of connector 651. NOTE: The ITL solenoid must operate at 70 Vdc and 120 Vdc and all voltag
22、es in between. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-85Llb5B 13 m 797770b 03bLl935 T m MIL-D- 85465B(AS) 3.2.1.1.2 Active-transfer-initiate (ATI) solenoid. The AT1 solenoid shall actuate when-a voltage of 97 +23, -27 Vdc is applied
23、across pins T(+) and Y(-) of connector 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 the ITL solenoid and wh
24、en a force between 110 and 600 pounds is applied along the axis of the pull pin in an extending direction (see Figure i). The resistance of the armed ISM between pins J(+) and M(-) of connector 9J1 shall be from 2;30 to 3.50 ohms when measured with a resistance measuring device that has a current of
25、 not greater than 10 milliampere (mA) while applying 28 f4 Vdc (fire signal) across pins C(+) and B(-). c 3.2.1.3 Resistance, voltage, and capacitance (safe condition). All fuze electrical assemblies shall meet the resistance, voltage, and capacitance requirements specified in Table I at ambient tem
26、perature 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 resistance between pins L(+) and - c(-) of connector 651 shall be 1.5 to 4.6 oh
27、ms. O 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 97 +23, -27 Vdc and the fuze is operated through the normal.func?.ional cycle. Al
28、so the voltage pulse recorded across pins R(+) and - c(-) of con- nectar 651 shall be in accordance with Figure 3: 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)
29、 simulated rocket motor pressure is applied to the fuze. 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. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without lic
30、ense from IHS-,-,-MIL-D-854b5B I3 9 777770b 03647Ib I II 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 deac- tivate in less than 1.4 seconds after this occurance and return to the . unenergized state locking t
31、he 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 component shall initiate as a result of the following test sequence: a. Application of 50 f2 Vdc across pins L(
32、+) and c(-) of connac- - 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 9J1 for not less than 100 ms. 3.2.1.8 - Seal. Drawing 1137AS200. The leakage rate of the fuze shall be i
33、n 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 through 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)
34、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 operable (see 6.3.4) after exposure to the environment spec- ified in MIL-STD-331, Test 119, Procedure 1. 3.2.2.
35、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) followin peratures of -65 degrees Fahrenheit (OF), ambient, or +160F for 2 hours along each of three mutually perpendicular axes (see Figure 4). exposure to ran
36、dom vibration of 0.01 gravity unit squared per hertz (g 5 /Hz) from 20 to 500 Hz and 0.12 g2/Hz from 1000 to 2000 Hz at tem-, 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 minut
37、es per axis) having a spectral density of 0.02 g2/Hz, over a bandwidth of 20 to 2000 Hz, with a roll-off of not less than 6 dB per octave (see Figure 5). After exposure to the environment, the fuze shall move to the armed position upon AT1 solenoid actuation. The ISM shall remain in the armed condit
38、ion throughout this testing, 3.2.2.5 PuPl pin safety. The pull pin shall not extend greater than 0.150 inch and the fuze (ISM and S-A assemblies) shall remain safe when a force of 900 510 pounds is applied to the pull pin in an extending direc- tion (see Figure i). 6 Provided by IHSNot for ResaleNo
39、reproduction or networking permitted without license from IHS-,-,-3.2.3 Environmental safety. 3.2.3.1 Twelve meter drop. The fuze shall be safe (see 6.3.3) to handle and dispose of, but need not be operable (see 6.3.4), after exposure to the environment specified in MIL-STD-331, Test 103.2, Procedur
40、e I. No explo- sive or pyrotechnic component (see MIL-L-85297) shall have burned or deto- nated during exposure. 3.2.3.2 - Jolt. The fuze shall be safe (see 6.3.3) to handle, store, and transport, but need not be operable (see 6.3.4), after exposure to the environment specified in MIL-STD-331, Test
41、101.3, Procedure I. No explo- sive or pyrotechnic component (see MIL-L-85297) shall have detonated or burned during exposure. 3.2.4 Explosive train. 3.2.4.1 Static detonator safety. There shall be no evidence of detona- tion, burning, charring, scorching, melting, or rupturing of any of the explosiv
42、e leads when the detonators are initiated with the arming rotor in the safe position (see 6.3.1). leas, due to deposits resulting from initiation of the detonators, shall be acceptable. Smudging of the surfaces of the explosive The fuze housing shall not rupture. 3.2.4.2 Explosive train output. The
43、explosive train of the fuze shall produce an average depth of dent of not less than 0.035 inch when armed and initiated on a steel dent block (see Figure 6). 3.2.5 Pyrotechnic train. 3.2.5.1 Static squib safety. There shall be no evidence of squib efflux leakage outside the fuze housing, nor shall a
44、ny external diaphragm (Drawing 1137AS1531) rupture when the squibs are initiated with the ISM (mechanical barrier) in the safe position (see 6.3.1). 3.2.5.2 Pyrotechnic train output. The squibs shall function and produce a pressure in the closed test chamber (see Drawing SA1137AS824) of not less tha
45、n 250 pounds per square inch gage (psig) in 9 is or less when 28 +4 Vdc is applied across pins J(+) and M(-) of connector 9J1 and 28 +4 Vdc is momentarily (not less than 50 ms or greater than 5 seconds) applied to pins C(+) and B(-) of connector 9J1. ._ . 3.2.6 Visual. The fuze shall meet the follow
46、ing 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. A band of yellow adhesive tape shall be present around the fuze mechanism body as shown on Drawing 113
47、7AS200. 7 . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-85465B 13 I 999490b 03b4918 5 I r i I I , r I 1 . c. Both the ISM and S-A assembly shall be in the safe position (see 6.3.1) , as evidenced by a white letter “S“ on a green background
48、that is fully visible through the windows located in both ends of the fuze. d. The safe condition tag in accordance with Figure 7 shall be properly.signed by both the contractor and Government inspec- tors. The safe condition tag shall be securely wired to the fuze using a lead and wire seal to indi
49、cate that a successful safety test has been performed. The location of the tag and routing of wire, as well as the lead and wire seal, shall be in accordance with Drawing 1137AS200. 3.3 First article. Unless otherwise specified in the contract or purchase order, the contractor shall furnish 30 fuzes for first article inspection and approval (see 4.2 and 6.2.1). manufactured using the same methods, materials, pr
