1、. MIL-P-50900 (Mu)22 November 1971MILITARY SPECIFICATIONPELLETS, PI+STIC BONDED HMXFOR USE IN AMMUNITION1. SCOPE(95/5)1.1 This specification covers explosive pellets designatedas Plastic Bonded HMX (PBHMX). (see 6.4)2. APPLICABLE DOCUMENTS2.1 The following documents of the isssue in effect ondate of
2、 invitation for bids or request for proposals, forma part of this specification to the extent specified herein:SPECIFICATIONSFEDERALPPP-T-45PPP-B-636MILITARYMIL-D-1OOOMIL-B-2427MIL-L-10547MIL-H-45444MIL-P-50B54STANDARDSFEDERALFED-STD-101MILSTD-105Tape, Gummed Paper Reinforced andPlain for Sealing an
3、d SecuringBox, FiberboardDrawings, Engineering andAssociated ListsBoxes, Ammunition Packing:Wood, NailedLiners, Case WaterproofHMXPlastic Bonded HMX (95/5) PowderPreservation, Packaging, and PackingMaterials: Test Procedures.Sampling Procedures and Tables forInspection by Attributes (ABC-STD-105)FSC
4、: 1376.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-50900 (MU)MIL-STD-109 -MIL-STD-650 -MIL-STD-1168 -MIL-STD-1171 -MIL-STD-1235 -DRAWINGS)Quality Assurance Termsand DefinitionsExplosive: Sampling Inspectionand TestingGot Numbering of Ammuni
5、tionAcceptance and Description Sheetsfor Propellants and ExplosivesSingle and Multilevel ContinuousSampling Procedures and Tablesfor Inspection by AttributesU.S. ARMY MUNITIONS COMMAND8796522 - Marking Diagram and Sealing forWood Packing BoxesP9209048 - Pellet, H.E.PUBLICATIONSE1-P92O9O48 - Equipmen
6、t Tabulation(Copies of specification, standards, drawings and publicationsrequired by suppliers in connection with specific procurementfunctions should be obtained from the procuring activity or as )directed by the Contracting Officer.)2.2 Other Publications.-The following documents form apart of th
7、is specification to the extent specified herein.Unless otherwise indicated, the issue in effect on date ofinvitation for bids or request for proposal shall apply.A14ERICAN SOCIETY FORTESTING AND MATERIALSASTM D 792-66 - Specific Gravity and Density ofPlastics by Displacement(Requests for copies of A
8、STM Standards should be addressed tothe American Society for Testing and 14aterials, 1916 Race Street,Philadelphia 3, Pennsylvania 19103.)2)Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IMIL-P-50900 (MU)3. REQUIREMENTS3.1 Material.-The PBHMX pellet
9、s shall conform to all therequirements specified on drawln P9209048 and the specificationsreferenced thereon.3.2 Composition.-The PBHMX pellets shall be homogeneous.The requirements for chemical composition of the PBHMX pelletsshall be as specified in MIL-P-50854 (MU) when determined asspecified In
10、4.4.1.3.3 Density.-The density of the pellets shall conform tothe requirement specified on drawing P9209048 when tested asspecified in 4.4.2.3.4 Moisture.-The moisture content shall conform to therequirement specified on drawin P9209048 when tested as specifiedin 4.Q.3.3.5 Moisture content of packag
11、ln material.-The mofsturecontent of the paperboard products (fiberboard boxes, separatorsand fillers) and wood products (sawdust) shall be 9.0 percent,maximum, when determined as specified In 4.4.4.3.6 Workmanship.-The pellets and packang material shall befree of dirt, grease and other forel$?n matt
12、er. The pellets shallbe firmly compacted, free of soft spots and powdery areas.3.7 First article testinK. -This specification makes provisionsfor first article testing. Submission of first article quantity byIthe contractor shall be as speclfled In the contract.4. QUALITY ASSURANCE PROVISIO!ISI 4.1
13、Responsibility for inspection.-Unless otherwise sgecifledin the contract or purchase order, the supplier is responsiblefor the performance of all inspection reaulrenents as snecifieclherein. Except as otherwise specified in the contract or order,the supplier may use his own or any other facilities s
14、uitablefor the performance of the Inspection requirements specifiedherein, unless cllsapproved by the Government. The Governmentreserves the right to perform any of the inspections set forthin the specification where such inspections are deemed necessarYto assure suplies and services conform to pres
15、cribed requirements.Reference shall be made to Standard MIL-STD-109 in order todefine the terms used herein.4.1.1 Submission of product.-At the time the completed lotof product 1s submitted to the Government for acceptance, thecontractor shall supPlY the following information accompanied b!+a certif
16、icate which attests that the lnformat.on provided iscorrect and applicable to the product ben submitted:, 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.MIL-P-50900 “(MUIa. A statement that the lot complies with allrequirements and quality asauran
17、ce provisions specified inthis specification.b. Specification number and date, together with anidentification and date of changes.c. Ce.zcificates of analysis on a“llmaterials useddirectly by the contractor when such material is controlled byGovernment specifications shall be made available upon req
18、uestby the Contracting Officer.d. Quantity of product in the lot.e. Date submitted.The certificate shall be signed by a responsible agent of thecertifying organization. The initial certificate submitted shallbe substantiated by evidence of the agents authority to bind hisprinciple. Subatantiation of
19、 the agents authority will not berequired with subsequent certificates unless, during the courseof the contract, this authority is vested in another agent of thecertifying organization.4.2 Firat Article Inspection4.2.1 Submission.-The contractor shall submit a firatarticle sample consisting of 10 PB
20、HMX pellets in accordance withinstructions issued by the Contracting Officer for evaluationin accordance with paragraph 4.2.2. All samples submitted shallhave been produced by the contractor using the same productionprocesses, procedures, and equipment as will be used in fulfillingthe contract. All
21、materials, including packaging and packing,shall be obtained from the same sources of SUPPIV as will beused in regular production. The sample shall”e-accompanied bycertificates of analysis. A first article quantity, or portionthereof, as directed by the Co:tracting Officer, shall also besubmitted wh
22、enever there is a lapse in production for a periodin excess of 90 days, or whenever a change occurs in manufacturingsupply as to significantly affect product uniformity aa determinedby the Government. Prior to submission, the contractor shallinspect the sample to the degree necessary to assure that
23、itconforms to the requirements of the contract and submit a recordof this insr.ection with the aamvle. A sample containing knowndefects wili not be submitted u;lesa specifically authorizedby the contracting officer.4.2.2 Inspections to be performed.-The sample will besubjected by the Government to a
24、ny or all of the examinationsor tests specified in 4.3 and 4.4 of this specification and anyor all requirements of the applicable drawings.Ii)1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. . .MIL-P-50900 (MU)4.2.3 Rejection. -If any sample fails
25、to comply with anyof the applicable requirements, the first article quantity shallbe rejected. The Government reserves the right to terminateits inspection upon any failure of a siunple to comply with anyof the stated requirements.4.3 Inspection provisions4.3.1 Lot formation.-The term “lot” as used
26、throughoutthis specification refers to an inspection lot, which isdefined as an essentially homogeneous collection of units ofproduct from which a representative sample is drawn and inspectedto determine conformance of the lot with applicable requirements.The sample selected shall represent only tha
27、t quantity of unitsfrom which the sample was drawn and shall not be construed torepresent any prior or subsequent quantities presented forinspection. Each lot of PBHMX pellets shall be produced fromone lot of PBHMX powder produced in accordance with MIL-P-50854 (MU).The product shall be submitted fo
28、r inspection in accordance withMIL-STD-105 . The criteria and procedure for the assignment oflot numbers shall be in accordance with Standard MIL-STD-1168.4.3.2 Examination.-Sampling plans and procedures for thefollowing classifications of defects shall be in accordance withMIL-STD-105 (ABC-STD-105)
29、. Contractors sampling plans, if used,shall be approved by the Government and shall provide as aminimum, the protection afforded the Government by the samplingplans in MIL-STD-105. Continuous sampling plans in accordancewith MIL-STD-1235 may be used if approved by the procuringactivity. Also, at the
30、 option of the procuring activity,AQL*s and sampling plans may be applied to the individualcharacteristics listed, using an AQL of 0.40 percent for eachMajor defect and an AQL of 0.65 percent for each minor defect.4.3.2.1 PBHMX pellets (see dwg. P9209048)Categories DefeCtS Method of Code NO.Inspecti
31、on (See 6.2)Critical: None defined.eProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-50900 (r.w)I:Jj fJr : AJL:.0 ?ercent101. lielsht.Balance102. l,enZth.Gagegt; er; g;j;urfiace .GaceTaer on outside surface. Gafle:$: D : AQL 0.65 PercentEvidence
32、 of poor work!nanship(see 3.5) Vlsual4.3.2.2 Carton prior to cltisingCategories Defects Method ofInspectionCritical: None defined.“a!; Sepaatorim$kiZO;?dor damaged .Vlsual/ManualVlnor: AQL 0.65 Percent201. ForeiEn matter .Vlsual4.3.2.3 Carton, SealedCategories Defects Method ofInspectIonCrltlcal: No
33、ne defined.Ma,jor:101.102.103.Minor:201.202.203.Q.3.2.4AQL 0.65 PercentContents loose .ManualExplosive content overweight .BalanceStapling or stitching improperor insecure visualAQL 1.50 PercentCarton closure insecure (see5.1.1) .ya./Marking misleading orunidentifiable. VisualEvidence of poor workma
34、nship(see 3.6) VisualBox, wood packing, prior to closl.ngCategories DefectsCritical: None defined.Major: AQL 0.656Method orInspectionPercent010010100?01000100 i01005010060100701.008Code No.0200102002Code No.030010300203003-030040300503006Code No.)Provided by IHSNot for ResaleNo reproduction or netwo
35、rking permitted without license from IHS-,-,-MIL-P-50900 (MU)101. Splinters or foreign matter Visual102. Liner punctured or tornJisual103. Liner improperly closedVisualMinor: ,AQL 0.65 Percent201. Type of liner incorrect .:Visual4.3.2.5 Box, wood packing, sealedCategories Defects Method ofInspection
36、Critical : None defined.Major: AQL 0.65 Percent101. Board broken or split Visual102. Contents exposed .Visual103. Strapping misssing, broken or looseVisual/ManualNinor: AQL 1.50 Percent201. Contents loose.Manual202. Strapping improperly assembled .Visual203. Marking misleading or unidentifiable .Vis
37、ual4.3.3 Sampling .-A minimum of ten (10) pellets shall beremoved from the beginning of the pelletizin operation and aminimum of 10 uellets shall be removed from the end of the04001040020400304004Code No.050010500205003050040500505006pelletizin operation. The two 10 pellet samples shall be crushedan
38、d retained as two separate individual samples. Thesetwo samplea shall be teated for the composition and moisturerequirement in accordance with the tests deicted in 4.4.1 and4.4.3. If either of these samples fail to comply with therequirements specified in 3.2 and 3.4 the lot of PBHMX pelletsshall be
39、 rejected. If the total wei,r,htof either of thesamples described above (beginninpjor end) is less than 100 grams,then additional pellets shall be selected from the pelletizinoperation (beginninr and end) to obtain a minimum weiht of 100grams for each sample.4.3.3.1 Density .-A random sample of ten
40、(10) individualpellets shall be selected from the sample used in 4.3.2.1. If thedensity of these pellets faila to meet the requirement specified in3.3, the lot shall be re,iected.4.3.3.2 Samplinp,for F!oistureCOntent of Packaging Materiala. -Paperboard products (fiberboard boxes, separators and fill
41、ers)and wood products (sawdust) shall be sampled in accordance withSpecial Inspection Level S-3 with AQL 4.0 Percent. The sample sizerepresents the number of each of the above components to be sampledexcept that the sample size of sawdust represents the number ofindividual containers (bags) to be sa
42、mpled.7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-50900(MU)4.3.4 Inspection equipment.-llqulpr.lentTabulation (ET):Number ET-P9209048 and Equipment Lists (ELs) referenced thereonI identify the inspection equlpnent required to perform theex
43、aminations and tests prescr,lbed in this section. The contractorshall design inspection equipnent in accordance with instructionsI in 6.3.4.3.4.1 Government rights to docunentatlon.-Inspectlonequipment drawings and lists provided and revised in accordancewith the requirements of this specification m
44、ay be used by DODactivities for design, procurement, manufacture, testing,evaluation, production and recelvlng InspectIon, overhaul,shipping, storage, Identlflcatlon of stock, ordering and storageof replacement parts, inspection of items at overhaul, generalmaintenance of equipment, construction, su
45、rvey, and wheneverinspection equipment drawings are needed.I 4.4 Test Methods and ProceduresI4.4.1 Composition4.4.1.1 Plastic binder, Major Defect, Defect Code. No. 06001.-i-ansferan accurately weighed portion of approximately 1 gram ofthe sample to a tared medium porosity frltted glass crucible.Ext
46、ract the contents of the crucible with 4, 25 ml portions oftoluene saturated with HMX. Stir the contents of the crucible )after the addition of each portion and allow the solvent toremain in contact with the sample for 3 minutes before aPPIYingsuction. Aspirate the crucible and contents until the od
47、oF oftoluene 1s no longer perceptible, dry In an oven maintainedat 100 5 C for 1 hour, cool In a desiccator and weigh.Calculate the loss In weight of the crucible and contents topercentage plastic binder as follows:Percent Plastic binder = 100 AB8)Where:A = loss in weight, in gB = wt. of sample on d
48、ry basis, in GProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IHIL-P-50900(MU)4.4.1.2 HHX content,Major Oefect, Oefect Code No. 07001.-Thepercent of HMX in the sample shall be calculated by subtracting “, ,.from 100 the percent plastic binder obtaine
49、d as specified In 4.4.1.1.4.4.2 Oenslty, Mejor Oefect, Oafect Code No. 08001.-Thedensity shall be determined In accordance with A5TII Hathod O 792-66,l!-ethod A-1. Calculate the density of the PBHHX pel lets as follcus(see 6.5) :Oenslty, mlnlmum .6inches highcapital letters.6. NOTES6.1 Orderingfollowing:a. Tit
