1、AMSC N/A FSC 1340DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.INCH-POUNDMIL-DTL-32106 (OS)3 March 2003DETAIL SPECIFICATIONInitiators, Electrical, for Rocket Motor IgnitersThis specification is approved for use by the Naval Sea Systems Command, Department of theNav
2、y, and is available for use by all departments and agencies of the Department of Defense.1. SCOPE1.1. Scope. This specification furnishes the general requirements for the manufacture and acceptanceof electrical initiators for use in rocket motors.1.2. Classification. Initiators covered by this speci
3、fication are categorized as Class A as specified inMIL-I-23659.1.3. Application. This document covers the requirements for an initiator used to provide an outputcharge for the ignition of a rocket motor igniter.2. APPLICABLE DOCUMENTS2.1. General. The documents listed in this section are specified i
4、n sections 3 and 4 of thisspecification. This section does not include documents cited in other sections of this specification orrecommended for additional information or as examples. While every effort has been made to ensure thecompleteness of this list, document users are cautioned that they must
5、 meet all specified requirementsdocuments specified in sections 3 and 4 of this specification, whether or not they are listed.2.2. Government documents.2.2.1. Specifications, standards, and handbooks. The following specifications, standards, andhandbooks form a part of this document to the extent sp
6、ecified herein. Unless otherwise specified, theissues of these documents are those listed in the issue of the Department of Defense Index ofSpecifications and Standards (DODISS) and supplements thereto, cited in the solicitation (see 6.2).Beneficial comments (recommendations, additions, deletions) a
7、nd any pertinent data which may be of use in improving thisdocument should be addressed to the Commander, Indian Head Division, Naval Surface Warfare Center, EngineeringDocumentation Branch (Code 4230), 101 Strauss Avenue, Indian Head, MD 20640-5035, by using the StandardizationDocument Improvement
8、Proposal (DD Form 1426) appearing at the end of this document or by sending a letter.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32106 (OS)2SPECIFICATIONSFEDERALQQ-A-1876 Aluminum FoilDEPARTMENT OF DEFENSEMIL-DTL-16878 Wire, Electrical, I
9、nsulated, General Specification forMIL-I-23659 Initiators, Electric, General Design Specifications forSTANDARDSDEPARTMENT OF DEFENSEMIL-STD-202 Test Method Standard Electronic And Electrical Component PartsMIL-STD-464 Electromagnetic Environmental Effects Requirements for SystemsMIL-STD-810 Environm
10、ental Engineering Considerations And Laboratory TestsMIL-STD-961 Department of Defense Standard Practice Defense SpecificationsMIL-STD-1168 Ammunition Lot Numbering And Ammunition Data Card(Unless otherwise indicated, copies of Federal and Military specifications and standards are availablefrom: Sta
11、ndardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.)2.2.2. Other Government documents, drawings, and publications. The following otherGovernment documents, drawings, and publications form a part of this document to the extent specifiedherein. Unless otherwis
12、e specified, the issues are those cited in the solicitation (see 6.2).DOCUMENTSDOD 4145.26-M DOD Contractors Safety Manual for Ammunition and Explosives49 CFR Code of Federal Regulations(Application for copies should be addressed to Commanding Officer, Naval Surface Warfare Center,Indian Head Divisi
13、on, Documentation Branch (Code 4230), Indian Head, MD 20640-5000.)2.3. Non-Government publications and drawings. The following documents form a part of thisdocument to the extent specified herein. Unless otherwise specified, the issues of the documents, whichare DOD adopted, are those listed in the
14、issue of the DODISS cited in solicitation. Unless otherwiseProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32106 (OS)3specified, the issues of documents not listed in DODISS are the issues of the documents cited in thesolicitation (see 6.2).A
15、MERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)ASTM E 1742 Standard Practice for Radiographic Inspection(Application for copies should be addressed to the American Society for Testing and Materials CustomerService, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.)ELECTRONIC INDUSTRIES ALLIA
16、NCE (EIA)J-STD-001 Requirements for Soldered Electrical and Electronic AssembliesJ-STD-006 Requirements for Electronic Grade Solder Alloys and Fluxed and Non-FluxedSolid Solders for Electronic Soldering Applications(Application for copies should be addressed to the Electronic Industries Alliance, 25
17、00 Wilson Blvd,Arlington, VA 22201-3834.)SOCIETY OF AUTOMOTIVE ENGINEERS (SAE)AS3582 Packing, Preformed O-ring SealAS5202 Port or Fitting End, Internal Straight, Thread, Design Standard(Application for copies should be addressed to the Society of Automotive Engineers, 400 CommonwealthDrive, Warrenda
18、le, PA 15096-0001.)2.4. Order of precedence. In the event of a conflict between the text of this document and thereferences cited herein, the text of this document takes precedence. Nothing in this document, however,supersedes applicable laws and regulations unless a specific exemption has been obta
19、ined.3. REQUIREMENTS Initiators shall be qualified in accordance with section 4 of this specification.3.1. First article. When specified in the contract or purchase order, a sample shall be subjected tofirst article inspection in accordance with section 4.2 of this specification.3.2. Selection of sp
20、ecification and standards. Specifications and standards for necessarycommodities and service not specified herein shall be in accordance with MIL-STD-961.3.3. Materials. Material for the initiators shall be compatible with the explosives, propellants, exhaustcomposition, pyrotechnic, and ballistic g
21、as. Inspection and testing of materials shall be in accordance withsection 4.6 of this specification. The materials shall withstand environmental, electromagnetic, functional,service, and storage conditions to which they may be exposed. Acceptance or approval of materials fordesign or during the cou
22、rse of manufacture shall in no case be construed as a guarantee of acceptance ofProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32106 (OS)4the finished initiators. Sealant used in close proximity with the energetic materials shall be compatib
23、le withthese materials. Materials that are nutrients for fungi shall not be used.3.4. Physical. The initiator shall meet the requirements of Figure 1. Examination of all products shallbe made to determine if the initiator meets the requirements with respect to workmanship, marking,conformance to dra
24、wings and for any visible defects.3.5. Mechanical. The initiator shall meet the requirements of Figure 1. Examination of all productsshall be made to determine if the initiator meets the requirements with respect to workmanship, marking,conformance to drawings and for any visible defects.3.6. Electr
25、ical. The initiator shall contain either a single or dual bridgewire (depending on the initiatorrequirements) and meet the requirements of this specification. Refer to Figure 2 for specific details.3.6.1. Circuit resistance. The initiator circuit resistance shall meet the resistance requirements sho
26、wnin the Table I measured at 70 10 F. Verification shall be done in accordance with section 4.14.4 of thisspecification. Failure to meet bridgewire resistance verification per section 4.14.4 of this specificationconstitutes failure.TABLE I. Circuit resistanceInitiator Designation Circuit Resistance
27、(O)MIL-DTL-32106-1 0.45 0.75MIL-DTL-32106-2 0.45 0.60MIL-DTL-32106-3 0.9 1.1*MIL-DTL-32106-4 0.9 1.3MIL-DTL-32106-5 0.45 0.65*Across pins A-B or C-D3.6.2. Maximum no-fire stimuli power current. The initiator shall not fire, dud or otherwise bedamaged when subjected to a current of one ampere minimum
28、 per bridge with an associated power of onewatt minimum per bridge. The initiator shall meet this requirement at 70 5 F. The test method shall beexplained in section 4.14.1 of this specification.3.6.3. Maximum no-fire stimuli static discharge. . The initiator shall not fire, dud or otherwise bedamag
29、ed when subjected to the 25,000 volt simulated human electrostatic discharge in accordance with4.14.2 of this specification.3.6.4. Maximum no-fire stimuli - stray voltage. The initiator shall be capable of withstanding theeffects of a stray voltage environment without pre-igniting (firing). The init
30、iator shall meet thisrequirement when tested at 70 5 F. The test method shall be as described in section 4.14.3. of thisspecification.3.6.5. EMI/RF filter. The unit shall contain an EMI/RF Filter per MIL-STD-464. The initiator filtershall meet the applicable initiator drawing requirements for workin
31、g voltage, capacitance and ampereswhen tested at the RF attenuation levels shown in Tables II, IIa and IIb. Verification shall be done inaccordance with MIL-STD-464 section 5.6.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32106 (OS)5TABLE
32、II. RF attenuation for MIL-DTL-32106-1,-2,-5 initiatorsMin Insertion Loss DB Frequency15 30KHz28 150 KHz33 300 KHz44 1MHz60 10 MHz70 1GHZTABLE IIA. RF attenuation for MIL-DTL-32106-3 initiatorMin Insertion LossDBFrequency2 1MHZ10 10MHZ12 30MHZTABLE IIB. RF attenuation for MIL-DTL-32106-4 initiatorMi
33、n Insertion LossDBFrequency3 159 KHz9 320 KHz23 1.59 MHz43 15.9 MHz63 159 MHz83 1.59 GHZ3.7. Functional tests. The initiator shall have the required performance characteristics:3.7.1. All-Fire . Initiators shall fire under the conditions shown in Table III when tested in accordancewith section 4.15.
34、1 of this specification.3.7.2. Pressure . The initiators shall develop pressures as specified in Table IV when All Fire current isapplied.3.7.3. Leakage. Assembly must withstand 5000 100 psi differential pressure across seal prior toloading output charge without leakage and without permanent thread
35、deformation when tested inaccordance with section 4.12 of this specification.3.7.4. Seal. The output closure disc shall provide a hermetic seal that shall not leak more than6.102 x 10 8 sec3in of helium at one atmosphere of differential pressure when tested in accordance withsection 4.12.1 of this s
36、pecification.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32106 (OS)6TABLE III. All-fire current requirementsInitiatorDesignationAppliedCurrent(Amperes)Max AppliedPulse (Sec)MIL-DTL-32106-1 7.0 50.0 00.0 0.020MIL-DTL-32106-2 7.0 50.0 00.0
37、0.020MIL-DTL-32106-3 3.5 2.0 0.0 * 0.020MIL-DTL-32106-4 3.5 50.0 00.0 0.020MIL-DTL-32106-5 7.0 50.0 00.0 0.020* Unit shall fire when specified current and pulse rate is applied to a single bridgewire, A-B or C-D.(See Figure 3)TABLE IV. Time to reach pressure envelopeInitiatorDesignationPressure(psi)
38、ClosedVolume(in3)Time to ReachMax Pressure(Seconds)Max Pressure(psi)MIL-DTL-32106-1 1000150 0.61 0.010 1150MIL-DTL-32106-2 1450300 0.61 0.010 1750MIL-DTL-32106-3 1000150 0.61 0.010 1150MIL-DTL-32106-4 1000150 0.61 0.020 1150MIL-DTL-32106-5 1000150 0.61 0.010 11503.8. Shock. The initiators shall be c
39、apable of withstanding shock conditions as specified in section 4.9of this specification. After being subject to the shock test, the initiators shall meet the design performancerequirements when test fired.3.9. Vibration. The initiators shall be capable of withstanding vibration conditions as specif
40、ied insection 4.10 of this specification. After being subject to the vibration test, the initiator shall meet thedesign performance requirements when test fired.3.10. Temperature, humidity, altitude cycling (THA). The initiators shall be capable ofwithstanding temperature shock/humidity/altitude con
41、ditions as specified in section 4.11. of thisspecification and shall meet the design performance requirements when test fired.3.11. Visual Inspection. Visual inspection shall be in accordance with section 4.4 of this specification.3.12. Radiographic examination. Radiographic examination shall be per
42、formed on all initiators inaccordance with ASTM E 1742. The radiographic inspection shall be conducted to verify the presenceand proper orientation of components. The radiographic inspection shall also verify that there are noforeign materials present, no missing or improperly positioned assemblies,
43、 no cracks, no voids or fissures incharges. The radiographic inspection shall also verify that the pyrotechnic charge is consistent in heightand density with respect to each other and bridgewires are in contact to initiator pins. The radiographicProvided by IHSNot for ResaleNo reproduction or networ
44、king permitted without license from IHS-,-,-MIL-DTL-32106 (OS)7inspection shall also verify there are no gaps between the bridgewire and the explosive charge.Radiographic examination shall be done in accordance with section 4.7 of this specification.3.13. Workmanship. Initiators and components shall
45、 be free from foreign material, dents, scratches,split or components, poor quality welds, chipping or flaking of painted or plated metal surfaces, sharp edgesor other defects or discontinuities as specified on applicable drawing.3.14. Soldering. Soldering shall be in accordance with J-STD-001, using
46、 solder in accordance with J-STD-006, SN 63 WRAP 2.3.15. Labels and markings. The initiator shall be marked in accordance with MIL-R-81128,paragraph 3.3.2.3.16. Packaging. All initiators shall be shorted and be completely enclosed in aluminum foil meetingthe requirements of QQ-A-1876. Initiator MIL-
47、DTL-32106-3 shall have its contact pins, A, B, C, and Dshorted and the unit shall be completely enclosed in Aluminum foil. The packaging of initiatorsMIL-DTL-32106-1, -3, -4, and 5 shall be in accordance with federal regulation code 49 CFR part 173 ingeneral.3.17. Lot numbering. Lot numbering shall
48、be in accordance with MIL-STD-1168.4. VERIFICATION Qualification testing of initiator design shall be performed in accordance withMIL-I 23659, General Design Specifications For Initiators, section 4.3.4.1 Classification of inspections. The inspection requirements specified herein are as follows:a. F
49、irst article inspection (see 4.2)b. Quality conformance inspection (see 4.3)4.1.1 Certification of supplier. The vendor shall meet all the requirements shown in Table V to certifyas a producer of the initiators.TABLE V. CertificationThe vendor shall meet all the requirements of this specification.The vendor shall meet the requirements of this specification.The vendor shall produce an initiator with an Explosive Hazard Class
