1、. . -t0MILITARY SPECIFICATIONLEAD AZIDEMIL-L-3055C12 January 1992SUPERSEDINGrnlL-L-003055rI(AR)26 April 1985MIL-L-3055A28 September 1962This specification is approved for use by the US ArmyArmament, Research, Development and Engineering Center and isavailable for use by all Departments and Agencies
2、of theDepartment of Defense.1. SCOPE1.1 Scope. This specification covers the requirements andquality assurance provisions for the manufacture and acceptanceof two types of lead azide for use as z primary explosive (see6.1).o 1.2 Classification. The lead azide, detailed in thisspecification, shall co
3、nform to one of the following types (see6.2).Type I - Dextrinated lead azideType II - Colloidal lead azide2. APPLICABLE DOCUMENTS2.1 Government documents.2.1.1 Specifications and standards. The followingspecifications and standards form a part of this document to theextent specified herein. unless o
4、therwise specified, the issuesA!.! ADJSIRIBUJ70.WATE ;ETA Appro.cd for public rcka.w; diwibutioo is uditid. S%C 1376Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-3055Cof these documents are those listed in the issue of theDepartment of Defens
5、e Index of Specifications and Standards a71(DODISS) and supplement thereto, cited in the solicitation (see6.2).STANDARDSMILITARYMIL-STD-109 -MIL-STD-129 -MIL-STD-650 -MIL-STD-1168 -MIL-STD-1216 -Quality Assurance Terms andDefinitionsMarking for Shipment and StorageExplosive: Sampling Inspection andT
6、estingLot Numbering of AmmunitionACS Chemicals(Unless otherwise indicated, copies of federal and militaryspecifications, standards, and handbooks are available from theNaval Publications and Forms Center, (ATTN: NPODS), 5801 TaborAvenue, Philadelphia, PA 19120-5099. )2.1.2 Other Government publicati
7、ons. The following otherGovernment publication forms a part of this document to theextent specified herein. Unless otherwise specified, the issuesare those cited in the solicitation.CODE OF FEDERAL REGULATIONS49 CFR 100-199 - Department of Transportationand Regulations for theTransportation of Hazar
8、dousMaterialsa71Rules(The Interstate Commerce Commission Regulations are now a part ofthe Code of Federal Regulations, available from theSuperintendent of Documentsr US Government Printing Office,Washington, DC 20402. Orders for the above publications shouldcite, “49 CFR 100-199 (latest revision) ”.
9、)2.2 Non-Government publications. The following documentsform a part of this document to the extent specified herein.Unless otherwise specified, the issues of the documents which areDoD adopted are those listed in the issue of the DODISS cited inthe solicitation. Unless otherwise specified, the issu
10、es ofdocuments not listed in the DODISS are the issues of thedocuments cited in the solicitation (see 6.2).2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-3055C *o00AMERICAN SOCIETY FOR TESTING ANO MATERIALSASTM D2905 - Statement on Number of
11、SpecimensRequired to Determine the AverageQuality of a Textile MaterialASTM E70 pH of Aqueous Solutions with GlassElectrode, Test forASTM E300 Sampling Industrial Chemicals(Application for copies should be addressed to the AmericanSociety for Testing and MaWrialS, 1916 Race Street,Philadelphia, PA 1
12、9103).(Non-Government standards and other publications arenormally available from the organizations that prepare ordistribute the documents. These documents also may beavailable in or through libraries or other informationalservices. )2.3 Order of Precedence. In the event of a conflictbetween the te
13、xt of this document and the references cited hereinthe text of this document takes precedence. Nothing in thisdocument, however, supersedes applicable laws and regulationsunless a specific exemption has been obtained.3. REQUIREMENTS3.1 Material. The lead azide shall be manufactured by aprocess which
14、 provides a product conforming to the requirementsin this detail specification.3.2. Color The lead azide shall be of a white color but .shall be no darker than color 37769 in Federal Standard 595 whenexamined as specified in 4.5.2.3.3 Dimensions. (for Type 1 only). The lead azide shall befree of nee
15、dle shaped crystals (needle shape crystals are definedas crystals having a length/diameter of 7/1 or greater) whenexamined as specified in 4.5.3.3.4. Particle size. The particle size for Type 11 shallnot exceed 5 microns (for Type II only geometric mean) and thelargest particle shall not exceed 10 m
16、icrons when tested asspecified in 4.5.4.3.5 Chemical and DhvsiCal nroDerties. Additional chemicaland physical properties, for the lead azide, shall conform to therequirements in Table I when tested in accordance with theapplicable paragraph.3Provided by IHSNot for ResaleNo reproduction or networking
17、 permitted without license from IHS-,-,-, .MIL-L-3055CTABLE I. Chemical and phvsical properties .Property Requirement APD licableTvpe I Twe II Test methodPurity, % min. 91.5 99.0 4.5.5Acidity, pH 6.0-8.0 6.0-8.0 4.5.6Water volubility, 1.0 4.5.7% max.3.6 First article. When specified in the acquisiti
18、ondocument (see 6.2), a sample shall be subjected to first articleinspection (see 6.3) in accordance with 4.3.3.7 Workmanship. The manufacturer shall implementprocedures and controls to assure that the process and theproduct produceci are not compromised by foreign materials andcontaminants or any o
19、ther conditions which may degrade thecomposition. Determination of foreign materials shall be inaccordance with 4.5.8.4. QUALITY ASSURANCE PROVISIONS4.1 ResDonsibilitv for inspection. Unless otherwisespecified in the contract or purchase order, the supplier isresponsible for the performance of requi
20、red inspections,examinations and tests as specified herein. Except as otherwise a71specified in the contract or order, the supplier may use his ownor any other facilities suitable for the performance of theinspections, examination and tests specified herein, unlessdisapproved by the Government. In a
21、ddition, the Governmentreserves the right to perform any of the inspections set forth inthe specification where such inspections are deemed necessary toassure supplies and services conform to prescribed requirements.Reference shall be made to MIL-sTD-109 to define terms usedherein.4.1.1 Resoonsibili
22、tv for compliance. Lead azide shall meetall requirements of sections 3 and 5. The inspections set forthin this specification shall become a part of the contractorsoverall inspection system or quality program. The absence of anyinspection requirements in the specification shall not relievethe contrac
23、tor of the responsibility of ensuring that allproducts or supplies submitted to the Government for acceptancecomply with all requirements of the contract. Samplinginspection, as part of manufacturing operations, is an acceptablepractice to ascertain conformance to requirements, however, thisdoes not
24、 authorize submission of known defective material, either4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-o.MIL-L-3055Cindicated or actual, nor does it commit the Government to acceptdefective material.4.2 Classi fication of inspections. The required
25、inspections specified herein are classified as follows:First article inspection (see 4.3);: Quality conformance inspection (see 4.4)4.3 First article inspection.4.3.1 Submission. When specified in the contract orpurchase order, the contractor shall submit a first articlesample consisting of one (1)
26、pound of lea azide. The firstarticle sample shall be obtained from the first production lotwhich has been produced by the contractor, using the sameproduction processes, procedures and equipment as will be used infulfilling the contract. All raw materials used in producing thelead azide shall be fro
27、m the same sourcesregular production.4.3.2 Inspections to be performed.sample may be subjected by the Governmentexaminations or tests specified herein.as will be used inThe first articleto any or all of theo50Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
28、HS-,-,-a71a71TABLEII.FirstArticleinspection.CLASSIFIC.ATIONOFCHARACTERISTICSMIL.L-3055C(AR,K.UJW1nmsSI!fslrwtMAnlfcInfulmCharacrcristicspriortopackagingNUl,KWCRAsslWm.r.ASSIF!CATlONEXAMINATIONORTESTCONFEWLANCEREU.IIREMENTINsPECTIONHETHCMREFERENCECRITERIAPARAGRfiPH 3,2L.5.2Coior3,34.5.3Dimension P.rt
29、icicsize3.L4.5.43,5L.5.5Purity Acidity,PH3.5L.5.63.5L.5.7uatersolubi(ityUorkmanshiP3.74.5.8wKS:Reptaccs1570,1Feb85,.hichmaynotb.us=mm!1570b,1.lUt8?6,-.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.,00MIL-L-3055C4.3.3 Reiection. If the sample fails
30、 to comply with any ofthe applicable requirements, the first article quantity shall berejected. The Government reserves the right to terminate itsinspection upon any failure of a sample to comply with any of thestated requirements.4.4 QualitV conformance inspection.4.4.1 InsDectiOn lot formation. A
31、lot shall consist of oneor more batches produced by one manufacturer, in accordance withthe same specification, or same specification batch under onecontinuous set of operating conditions. Each batch shall consistof that quantity of lead azide that has been subjected to thesame unit chemical or phys
32、ical process intended to make the finalproduct homogeneous. The criteria and procedure for theassignment of lot numbers shall be in accordance with MIL-STD-1168.4.4.2 Examination and tests.4.4.2.1 Classi fication of characteristics. Quality conformanceexaminations and tests are specified in the foll
33、owingclassification of characteristics paragraphs. Thecontractors quality program or detailed inspectionsystem shall provide assurance of compliance of allcharacteristics with the specification requirementsutilizing as a minimum the conformance criteriaspecified herein.o 7Provided by IHSNot for Resa
34、leNo reproduction or networking permitted without license from IHS-,-,-QUALITYCOtlFORMANCEINSPECTIONCLASSIFICATIONOFCHARACTERISTICSMIL-L.3055(V1.wn.W7I!I!lESluclvwI,“WIWGMIMIJ-R.!2.1.1Chemica(andphysicolcharacteristicstfmIWC.NsC.ru.rLASSIflCA1IOUEXJWINATIONGUTESTCONFORMANCERETIREMENTINSPECTIONMEIHmR
35、EFERENCECRITERIAPARAGRAPH_I#o.cdefined?101Coor4.L.3.23,24.5.2102Dimension(lype1onty)4.1,.3.23.3L.5.3103Particcsize(Type!1on(y)4.G.3.33.44.5.4104PurityG.4.3,33.54.5.5105flcidity,PHL.4.3.23.54.5,6106!4atersolubililyL.4.3.33,54.5.7201Uo,kroan.hfp6.L,3.23.7L.5.8wIL:W,F,o,mlS70h)Jut89Rcpl.ces1570,1Feb85,
36、whichmaynotbcwed.8Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-o0OUALIlYCONFORtI.I.,15701Feb85.uhichn!.wnotbeused.Juh89.-.12Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-o0mmt17CONFORMAWttiswctIO
37、NCLASSIFICATIONOFCHARAC1ERIS11C5HIL.L.J055Wzw,nnKSlrn,rm,mumwn,u:n;.6.2.1.6BaIJ,grainmtr.,u.8pmumb,1Jui69RCplocas10,1Feo85.IlnlcrltraymlwUses.MlL-L-SOSuw2L.v7,muSMTrlfftD7.4nwtuarn.L.2.I.8container,drunorbarro(mt9Y9.nAfs.Wlmv:LASSIFIEA1lOllEsW41MA110NCUlES1CCWOUIUNCE17EWlREKENTIMSKCTIEU!SIIKOREFEREN
38、cECRITERIAPARAGSAPII_ 001Drmorbarrelleaking100%5.1.1/vlW31002Mnrklngmislec.diorunidentifiable100%5.1.l/visunlW101Containeriqwopcrlycioscdoraeetcd1Oox5.1.llviwal201Markrblurredorofparqtalily100X5.2/visul2028orewet,otherthanSkishtscratches.one“terior1Oox5.2/visuc.l(applicable10m?talcontoincr)w11s,.-15
39、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. .MIL-L-3055C4.4.3 Testinq. PRECAUTION: This specification coverssampling and testing of toxic and hazardous material.Accordingly, it is emphasized that all applicable safety rules,regulations and proc
40、edures must be followed in handling andprocessing the lead azide.4.4.3.1 Samulinq. Obtain two random 30 gm samples fromeach batch of lead azide being submitted for inclusion in a lot.The samples shall be obtained from the process vessel prior topackout using procedures described in ASTM-E300 for slu
41、rries.a714.4.3.2 Testinq for batch acceptance. One sample obtainedaccording to 4.4.3.1 from each batch shall be tested inaccordance with the applicable test methods of 4.5 forconformance with the requirements for color (see 3.2) , dimension(see 3.3), acidity, pH (see 3.5) and workmanship (see 3.7).
42、Ifany sample fails to meet any of these requirements, the batchrepresented by the sample shall be rejected. Rework of non-conforming batches is permitted.4.4.3.3 Testinq for lot acceptance. The second samplesfrom the batches not rejected under the provisions of 4.4.3.2shall be placed in a suitable c
43、ontainer of sufficient volume tohold a composite sample from all batches in the lot. Thecomposite sample shall be thoroughly mixed to assure homogeneity,and two sub-samples of approximately 30 gm each shall be obtainedfrom this composite sample. Both sub-samples shall to tested in oaccordance with t
44、he applicable test methods of 4.5 to determineconformance with the requirements for particle size (see 3.4) ,purity (see 3.5) and water volubility (see 3.5). If either sub-sample fails to meet any of the test requirements, the lotrepresented by the composite sample shall be rejected.4.4.4 Inspection
45、 eauiument. For the performance of alltest and examinations specified in 4.3 and 4.4. the equipmentspecified shall be employed. The contractor shall have theequipment available, utilize it in accordance with the testmethod, and is responsible to assure that it is properlycalibrated. Government appro
46、val of all contractor designedinspection equipment is required prior to its use for acceptancetesting (see 6.4).4.5 Methods of inspection. All tests described in thissection shall be performed using prescribed procedures forreplicate determination given in standard analytical chemistrytextbooks or A
47、STM D 2905. Unless otherwise specified herein, allchemicals shall be Reagent Grade or ACS Grade in accordance withMIL-STD-1218. If these grades are not available, all chemicalsshall be the highest purity grade commercially available. See6.5 for the use of equivalent test methods.16Provided by IHSNot
48、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-.000MIL-L-3055C4.5.1 Prewa ration of drv samDle. Transfer a portion ofabout 25 gms of the wet sample obtained in 4.4.3.1 to a Buchnerfunnel fitted with a medium porosity filter paper. Aspirate thesample and retain the wa
49、ter collected for the pH determination in4.5.6. Dry the sample in an oven maintained at 70-75C forapproximately two hours or until constant weiyht is obtained.Lise this dry sample for the following determinations unlessotherwise specified.4.5.2 !ZdQK. Remove a sufficient quantity of sample (forcolor and dimension) from a well stir
