1、METRICMIL-DTL-82965B (OS)17 JULY 2001SUPERCEDINGMIL-DTL-82965A (OS)20 DECEMBER 1999DISTRIBUTION STATEMENT A: Approved for Public release; distribution is unlimited.DETAIL SPECIFICATIONPROPELLANT, GUN, HIGH ENERGY NITRAMINEThis specification is for use by the Naval Sea Systems Command, Department of
2、the Navy and is available for useby all departments and agencies of the Department of Defense.1. SCOPE1.1 Scope. This specification covers high energy nitramine gun propellant, Ex-99 (see 6.1).1.2 Type. The propellant is designated as the following two types:a. Type I is designed for the Ex-167 char
3、ge.b. Type II is designed for the Ex-175 charge.1.3 Classification. The propellant is cylindrical multi-perforated grains and is a high energy nitraminepropellant, similar in formulation to the Armys M43. It is designed for use in the Ex-167 or Ex-175charge.2. APPLICABLE DOCUMENTS2.1 General. The do
4、cuments listed in this section are specified in sections 3 and 4 of this specification.This section does not include documents cited in other sections of this specification or recommended foradditional information or as examples. While every effort has been made to ensure the completeness of thislis
5、t, document users are cautioned that they must meet all specified requirements documents specified insections 3 and 4 of this specification, whether or not they are listed.2.2 Government documents.2.2.1 Specifications and standards. The following specifications and standards form a part of thisdocum
6、ent to the extent specified herein. Unless otherwise specified, the issues of these documents are thoselisted in the issue of the Department of Defense Index of Specifications and Standards (DODISS) andsupplement thereto, cited in the solicitation (see 6.2).Beneficial comments (recommendations, addi
7、tions, deletions) and 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 StandardizationDo
8、cument Improvement Proposal (DD Form 1426) appearing at the end of this document or by sending a letter.AMSC N/A FSC 1376Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-82965B (OS)2SPECIFICATIONSDEPARTMENT OF DEFENSEMIL-DTL-398 RDX (Cyclotrim
9、ethylenetrinitramine)MIL-G-155 Graphite, Dry (For Use In Ammunition)MIL-DTL-244 NitrocelluloseMIL-E-255 Ethyl Centralite (Carbamite)MIL-C-005537 Cellulose Acetate Butyrate(Copies of MIL-C-005537 are available from Commander, US Army TACOM-ARDEC,Attn: AMSTA-AR-EDE-S, Bldg 12, Picatinny Arsenal, NJ 07
10、806-5000.)STANDARDSDEPARTMENT OF DEFENSEMIL-STD-129 Military MarkingMIL-STD-286 Propellants, Solid; Sampling, Examination and TestingMIL-STD-1168 Ammunition Lot Numbering And Ammunition Data Card(Unless otherwise indicated, copies of Federal and Military Specifications and Standards, are availablefr
11、om Standardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA19111-5094.)2.2.2 Other Government documents, drawings, and publications. The following other governmentdocuments, drawings, and publications form a part of this document to the extent specified herein. Unlesso
12、therwise specified, the issues are those cited in the solicitation.SPECIFICATIONSNAVAL SEA SYSTEMS COMMAND (CAGE Code 53711)WS 1141 Bis (2,2-Dinitropropyl) Acetal-Bis (2,2-Dinitropropyl) Formal, Mixture of(Copies of this weapon specification are available from Indian Head Division, Naval Surface War
13、fareCenter, Code 8410P, 101 Strauss Ave, Indian Head MD 20640-5035.)CODE OF FEDERAL REGULATIONS (CFR)49 CFR 100-199 Transportation(The Code of Federal Regulations is available from the Superintendent of Documents, U. S. GovernmentPrinting Office, Washington, DC 20402)Provided by IHSNot for ResaleNo
14、reproduction or networking permitted without license from IHS-,-,-MIL-DTL-82965B (OS)3DRAWINGSNAVAL SEA SYSTEMS COMMAND (CAGE Code 53711)10001-138439 Packing Box Mark 7 (For Smokeless Powder), General Arrangement2839135 Projectile, 5 inch 54 caliber, BL Indian HeadDivision, Naval Surface Warfare Cen
15、ter, Attn: Code 4210F, 101 Strauss Avenue, Indian Head, MD20640-5035.4.5 Classification of characteristics. The characteristics verified by the tests and examinations herein areclassified as critical, major, or minor in accordance with DOD-STD-2101. Requirements for criticalcharacteristics are ident
16、ified by the symbol (C) and major characteristics by the symbol (M). The numberfollowing the classification symbol indicates the serial number of the characteristic. Requirements whichare not annotated with a classification code are classified minor.4.6 Methods of inspection.PRECAUTION - This specif
17、ication covers sampling and testing of chemical, toxic or explosive materialswhich are potentially hazardous to personnel.4.6.1 Ingredient analyses. The ingredients shall be analyzed as described in this section. Therequirements of 3.2 shall be met or the ingredients shall not be used in making the
18、propellant. Propellantmade with ingredients which do not meet the requirements of 3.2 shall be rejected.4.6.1.1 Nitrocellulose inspections.4.6.1.1.1 Nitrogen content. The nitrogen content shall be determined using ASTM-D-4795. Therequirements of 3.2.1.1 shall be met or the material shall be rejected
19、 for use in making the propellant.4.6.1.1.2 Viscosity. The viscosity shall be determined using ASTM-D-1343. The requirements of 3.2.1.2shall be met or the material shall be rejected for use in making the propellant.4.6.1.1.3 Fineness. The fineness before dehydration shall be determined by taking a 1
20、0-ml specimen,previously dried at 100 o to 105o C, and weighed to the nearest decigram, and placing that specimen in a250-ml beaker. A 100 to 150-ml portion of distilled water shall be added and mixed gently rotating thebeaker. The mixture shall be transferred to a 250-ml glass-stoppered measuring c
21、ylinder, graduated in 2-ml divisions over a length of approximately 25 cm. The beaker shall be rinsed several times with smallwashes of distilled water, adding each wash to that present in the cylinder until the suspension measuresapproximately 200 ml. The cylinder shall be stoppered and shaken vigo
22、rously with a vertical motion. Thestopper shall be removed and the stopper and sides of the cylinder shall be rinsed down until the volume ofthe suspension reaches 250 ml. The stopper shall be replaced and the cylinder allowed to stand for onehour. At the end of this time, the volume in ml occupied
23、by the nitrocellulose, shall be read and this valueProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-82965B (OS)10shall be considered as the fineness. The requirements of 3.2.1.4 shall be met or the material shall berejected for use in making t
24、he propellant.4.6.1.1.4 Heat test. The stability of the nitrocellulose under mild heating shall be tested in accordancewith MIL-N-244 section 4.4.8. The requirements of 3.2.1.5 shall be met or the material shall be rejectedfor use in making the propellant.4.6.1.1.5 Total volatiles. The total volatil
25、es in the nitrocellulose shall be determined in accordance withMIL-N-244 section 4.4.9. The requirements of 3.2.1.6 shall be met or the material shall be rejected for usein making the propellant.4.6.1.2 RDX Inspections4.6.1.2.1 Melting point. The melting point of the RDX shall be determined in accor
26、dance with ISO-1392.The requirements of 3.2.2.1 shall be met or the material shall be rejected for use in making the propellant.4.6.1.2.2 Acidity. The acidity of the RDX shall be determined in accordance with MIL-R-398 section4.3.5. The requirements of 3.2.2.2 shall be met or the material shall be r
27、ejected for use in making thepropellant.4.6.1.2.3 Particle size. A Microtrac analyzer shall be used for determining particle size. Therequirements of 3.2.2.3 shall be met or the material shall be rejected for use in making the propellant.4.6.1.2.4 Purity. The amount of material insoluble in acetone
28、and inorganic insolubles shall bedetermined in accordance with MIL-R-398 sections 4.3.2 and 4.3.3 respectively. The requirements of3.2.2.4 shall be met or the material shall be rejected for use in making the propellant.4.6.1.3 Cellulose acetate butyrate inspections4.6.1.3.1 Butyryl, acetyl and hydro
29、xyl content . Determine the butyryl, acetyl and hydroxyl contentsusing the method given in ASTM D 817 sections 13 through 39. The requirements of 3.2.3.1, 3.2.3.2 and3.2.3.3 shall be met or the material shall be rejected for use in making the propellant.4.6.1.3.2 Free acidity. Determine free acidity
30、 as directed in ASTM D 817 sections 8 through 12. Therequirements of 3.2.3.4 shall be met or the material shall be rejected for use in making the propellant.4.6.1.3.3 Ash. Determine ash content as directed in ASTM D 817 sections 6 and 7. The requirements of3.2.3.5 shall be met or the material shall
31、be rejected for use in making the propellant.4.6.1.3.4 Viscosity. Viscosity shall be determined by ASTM D 1343. The requirements of 3.2.3.6 shallbe met or the material shall be rejected for use in making the propellant.4.6.1.3.5 Softening point. The softening point shall be determined with a hot sta
32、ge melting pointapparatus. The requirements of 3.2.3.7 shall be met or the material shall be rejected for use in making thepropellant.4.6.1.3.6 Moisture. Determine the moisture content as directed in ASTM D 817 sections 4 and 5. Therequirements of 3.2.3.8 shall be met or the material shall be reject
33、ed for use in making the propellant.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-82965B (OS)114.6.1.4 Bis (2,2-dinitropropyl) acetal-bis (2,2-dinitropropyl) formal (BDNPA/F)(mixture of)inspections4.6.1.5.1 Acid number. The acid number shal
34、l be determined as in a. through f. The requirements of3.2.4.1 shall be met or the material shall be rejected for use in making the propellant.a. Draw approximately 20 grams of BDNPA/F and weight it to the nearest 0.005 grams into a150-milliliter Erlenmeyer flask.b. To the flask add 50 milliliters o
35、f a 1:1 solution of methanol/chloroform, 50 milliliters of distilledwater and 10 drops of phenolphthalein solution.c. Place magnetic stir bar in flask, place on magnetic stirrer and agitate for two minutes.d. Titrate with 0.02N KOH to a 30-second pink end point in the water layer.e. Run blank with a
36、ll reagents omitting BDNPA/F.f. Calculate acid number as follows:Acid Number (mg KOH/g) = (S-B) (N) (56.11)/WWhere S = Volume of KOH for sampleB = Volume of KOH for blankN = Normality of KOHW = Weight of sample4.6.1.4.2 Water content. Water content shall be determined as described in MIL-STD-286 met
37、hod 101.5.The requirements of 3.2.4.2 shall be met or the material shall be rejected for use in making the propellant.4.6.1.43 Refractive index. The refractive index shall be determined according to the method described inASTM D 1807. The requirements of 3.2.4.3 shall be met or the material shall be
38、 rejected for use in makingthe propellant.4.6.1.4.4 Density. Density shall be determined according to the method described in ASTM D 941. Therequirements of 3.2.4.5 shall be met or the material shall be rejected for use in making the propellant.4.6.1.4.5 Acetal and formal contents. The acetal and fo
39、rmal contents shall be determined according tothe method described in a. through h. The requirements of 3.2.4.5 and 3.2.4.6 shall be met or the materialshall be rejected for use in making the propellant.a. This procedure requires a high performance liquid chromatograph (HPLC). The followingsolvents
40、and equipment are suggested but are not required. Any comparable solvents or equipment may besubstituted.b. The suggested equipment includes a Waters 990 photodiode array detector, Waters 600Esystem controller, Waters intelligent sample processor (WISP 712), Waters radical pak 5 micron C18column, an
41、d a Waters 8x10 compression module. All solvents are HPLC grade, manufactured by Burdickand Jackson Laboratories. The water is obtained from a Milli-Q laboratory water system.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-82965B (OS)12c. The
42、 following HPLC parameters may be used:Wavelength range 190-33 nanometersMonitor wavelength 280 nanometersSensitivity -0.03 to 1.0 aufsInterval 0.2 secResolution 3 nanometersSense NormalSmoothing 7 pointsSlope 0.01 au/minDrift 0.01 au/minHeight 0.0001 au/minWidth 0.01 minMinimum area 0.001 au/mind.
43、The suggested mobile phase for the determination of the acetal/formal content is 40:40:20,methanol:water:2-propanol, at a flow rate of 3.0 ml/min with a 50 milliliter helium sparge. A run time of 6minutes may be used with specified conditions and radial pak column. The calibration standard is prepar
44、edby weighing 0.25 grams each of the BDNPA and BDNPF, weighed to the nearest 0.1 milligram, into a 10milliliter volumetric flask and diluting to volume with methanol.e. Prepare a calibration table by averaging the integrated areas of three 40-microliter injections ofthe standard solution. Prepare th
45、is sample solution by weighing 0.50 grams, weighed to the nearest 0.1milligram, of the BDNPA/F into a 10-milliliter volumetric flask and diluting with HPLC-grade methanol.f. Make three 40-microliter injections of the sample solution, comparing the area of the sample tothe areas of the standard BDNPA
46、 and BDNPF.Calculate the percent acetal or formal as follows:A/S (100) = percent acetal or formalWhere A = milligrams of acetal or formal as integratedS = sample weight of the BDNPA/FNote: The HPLC conditions may require alterations to achieve the desired resolution. This largelydepends on the indiv
47、idual column.4.6.1.5.5.6 BDNPA Standard. Preparation of BDNPA reference standard shall be as described in a.through e.a. The reference standard shall be prepared by placing 450.3 g (3.0 moles) of 2,2-dinitropropanol(DNPOH), 105.5 g (2.4 moles) of acetaldehyde, and 1470 g of ethylene chloride into a
48、three-necked flaskequipped with a cooling bath, thermometer and dropping funnel. Stir the solution continuously, keeping thetemperature between 11o C and 9o C. Add 213 g (1.5 moles) of boron trifluoride etherate over a 15-minute period of time. Add 15 to 30 g initially and cool until the exothermic
49、reaction is under control; thenadd the remainder. Stir the mixture for 15 minutes at 10 o C and then quench with 930 g of water.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-82965B (OS)13b. Allow the two-phase mixture to settle after 10 minutes of agitation. Separate the aqueous layerand discard. Wash the organic layer with sufficient 4 percent sodium hydroxide solution to raise the pH to11.0. Cont
