1、1, SCOPE 1.1 This specification covers the loading, assembling, and packing for one type of stab detonator designated as Detonator, bu3 0 2, BPPLICABLE WCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids form a part of this specification to the extent specified
2、 herein, SPECIFI; CATIONS MILITARY MIL-G-2550 - General Spec5fication for Ammuition Except Small. Arms inmunition. STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection MIL-STD-109 - Inspection Terms and Definitions. by Attributes. DRAWINGS ORDNANCE CORPS 7548102 - Box, Pack
3、ing, Ammunition for Detonator8 7548103 - Box-, Set-up, Packing, Ammunition, Outer, for BoosGers, Detonators and Primera. Assembly, Details, Packing and Marking. 7548104 - Box, Set-up, Packing, Ammunition, Inner, for Boosters, Detonators and Primerig, Assembly, Details, Packing and Mwking, 8797744 -
4、Detonator, MJ.3, Loading AsrJembly, -. o Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-46404 13 = 7777706 03LL754 O PUBLICATIONS ORDNANCE CORPS 0-608-11 - Procedures and Tables for Continuous Sampling IEL-6119351 - Index of Inspection Equipme
5、nt Lists. (Copies of specifications, standards, drawings and publications re- quired by contractors in connection with specific procurement fnctions should be obtained from the procuring activity or as di- rected by the contracting officer). 2.2 Other irublications.=The following document frms a par
6、t of this specification to the extent specified herein. Unless other- wise indicated, the issue in effect on date of invitation for bids shall apply. by Attributes. CODE: OF FEDERAL REGULATIONS. 49 CFR 71-78 - Interstate Commerce Commission Rules and Regulations for the Transportation of Ex- plosive
7、s and Other Dangerous Articles. (“he Interstate Commerce Commission Regulations are now a part of the Code of Federal Regulations (1949 Edition and revisions) avail- able from the Superintendent of Documents, Government Printing Office., Washington 25, D.C. cite “49 CFR 71-78 (latest revision)“.) Or
8、ders for the above publication should 3. EBQUIREMENTS 3.1 Material.-Materials shall be in accordance with applicable 3.2 Detonators.-The detonators shall comply with all require- 8787744, and wi$h all require- 3.3 Moisture content of bad aride.-The moisture content of Wawings and specifications. ine
9、nts specified on Drawing (dug.) ments specified in applicable specifications. the lead azide used in loading the detonators shall not exceed 0.50 percent when tested as specified in 4.3.2. 2 . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-464
10、04 (Ord ) 3.4 Moisture content of.primer mixture,-The moisture content of the primer mixture used in loading the detonators shall not exceed 0,30 percent when tested as specified in 4.3.3. 3.5 Functioning, 3.5.1 Sensitivity.-The detonators shall function on the first attempt and shall cause perforat
11、ion of the lead disc to a diameter o.f not less than i/ryl from not more than one lot. 4.2.2 Exawination.-Sampling plans and procedures for the fol- lowing classifications of defects shall be in accordance with Standard MIL-STD-lO5 except %ha$ inspection for critical defects, when listed, shall be 1
12、00 percent. Continuons sanplig plans in accordance with Handbook OaD4608-11 may be used if approved by the procuring activity. Also, at the option of the procuring activity, AW*a and sampling plans may be applied to the individual characteristics listed using an AQL of O,Z!j percent for each major d
13、efect and an ACn accordance with Standard MIL-STD-105 using code letter P and an AQL of 0.15 percent. The sample dekonators shall be tested as specified in 4.3.5.1, using test equipment specified in 4.2.4. Rejection shall be in accordance with Standard MIL-STD-105. of 25 detonators shall be selected
14、 from each lot and subjected to the test specified in 4.3.5.2, using test equipment specified in 4.2*4. If one or more detonators fail to function satisfactorily, as evidenced by performing the test specified in 4.3.5.1, the lot shall be rejected, Inspection equipment.-For the performance of the exa
15、mi- nations and tests specified in 4.2.2 and 4.2.3, when applicable, the contractor shall have available, and utilize correctly, all necessary gages, measuring and testing equipment identified by Index of Inspection Lists No. 611.9351, or approved equivalents there- to. (See 4*1.1) When inspecting t
16、he contractors inspection equip- ment, the Government inspector will determine that the contractor has available, and utilizes correctly, gages, measuring and testing equipment of the required accuracy and precision and that, the instru- ments are of the proper type and range to make measurements of
17、 the requixd accuracy. The contractor will have available a set of master gages, standards and appropriate instruments for regularly scheduled calibration of his inspection equipment, Records of such regularly scheduled calibration will and made available for review by the Government. The calibratio
18、n of gages, standards and instruments will be periodically checked by authorized Government personnel. accurately weighed portion of 5 grams shall be transferred to a tared, medium porosity, sintered glass filtering crucible. The sample shall be extracted with four 10 milliliter (mi.) portions of ac
19、etone maintaining each portion in contact with the residue for approximately 5 minutes.before applying suction. Any lumps which may persist shall be broken up and the sides of the crucible washed down w5th each 10 ml. portion of acetone to insure complete removal of the tetryl. The residue shall be
20、aspirated until the odor of acetone is no longer detectable. The crucible and contents shall be placed in a drying oven at 100 degrees Centigrade (OC.) to 150c. for 1/2 hour, coo1ed.i.n a desiccator and weighed. The 4.2.3.4.2 Waterproofness (see 3.5.2) - Ma.ior defect.-A sample 4.2.4 be maintained b
21、y the contractor 4.3 Test methods and procedures. 4.3.1 Determination of binder-lubricant content of tetryl.-An 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-46404 (Ord) above extraction shall be repeated, drying and weighing with individ-
22、ual 10 ml. portions of acetone until the loss in weight on subsequent extractions totals less than 0.005 gram. The weight of residue in the crucible shall be calculated as the percentage of total binder-lubricant. dried aluminum dish 2 inches in diameter shall be covered with a sheet of polytetraflu
23、oroethylene 2 1/2 inches square and sufficiently flat to form a tight cover. approximately two grams of the sample shall be transferred to the moisture dish and the dish and contents shall be %ransferred to an oven and dried at 95O. 2 2OC, for 2 hours, placed in a sulfuric acid desiccator .ring the
24、drying period. drying, the dish shall be quickly transferred to the desiccator and allowed to cool to room temperature. cover shall be placed on the dish and the assembly weighed. loss in weight shall be calculated as percentage of moisture in the lead azide to determine compliance with 3.3 as follo
25、ws: 4.3.2 Determination of moisture content of lead azide,-A tared An accurately weighed portion of The cover shall be After The polytetrafluoroethylene The percentage of moisture = (A-B) x 100 A where: A = the weight of the sample before drying. B = the weight of the sample after drying. 4.3.3 shal
26、l be accurately weighed to the nearest milligram and dried to a constant weight at 6OOC. + 5OC. or in a desiccator containing cal- cium chloride. The loss xn weight shall be calculated as the per- centage of moisture. Potassium chlorate.-Approximately 1 gram of the primer mixture shall be accurately
27、 weighed and transferred to a tared cru- cible of approximately i5 ml. capacity. Three ml. of lead azide- saturated distilled water shall be added at a temperature of 250C. - + 2OC., agitated for exactly 1 minute, and if necessary, any lumps shall be broken up with a glass rod. This procedure shall
28、be repeated five times making a total of six 3 rnl. extractions. The sample shall be rinsed in the filtering cru- cible with a few d. of alcohol and then with a few ml. of ether, dried for approximately 15 minutes at 95OC. $- 2OC., cooled in a desiccator and weighed. The loss in weight shall be calc
29、ulated Moisture con%ent of primer mixture.-The specified sample 4*3.4 Composition of primer mixture. 4.3.4.1 Suction shall be applied. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-qbqUq 13 = 7777906 O333763 3 MIL-D-46404 (Ord) as the percent
30、age of potassium chlorate. chlorate determination shall be extracted with 5 ml. portions of saturated ammonium acetate solution at about 25OC. (hot saturated ammonium acetate solution must. not be used as it dissolves antimony sulfide to some extent) each 5 ml. portion being agitated for about 30 se
31、conds. Extractions shali be continued with 5 mi. portions until the washing no longer give a yellow precipitate with the addition of a few dro s of potassium dichromate to the solution. solution should be avoided. The residue shall be washed with dis- tilled water, rinsed with a few al. of alcohol a
32、nd then with a few mi. of ether, dried for approximately 15 minutes at 100C. + 5Oc., cooled n a desiccator and weighed. calculated as the percentage of lead azide. azide determination shall be extracted with concentrated hydrochioric acid until free from antimony sulfide. made without removing the s
33、ample from the filtering crucible) Suction shall be applied and most of the antimony sulfide extracted with cool concentrated hydrochloric acid, then rinsed thoroughly, ignited to separate fulfur and organic matter, cooled in a desiccator and weighed. centage of antimony sulfide. 4.3.4.4 tering cruc
34、ible shall be subtracted from the weight of the crucible and residue after the antimony sulfide determination and the dif- ference calculated as the percentage of carborundum. 4.3.5 Functionine;. 4.3.5.1 Sensitivity.-The detonator shall be assembled to the applicable test fixture specified in 4.2.4,
35、 so that the firing pin will strike the sensitive end of the detonator. A steel ball 1 3/16 inch in diameter and weighing 3.95 ounces max%mum, shall be dropped on the firing pin, to function the detonator, from a height of 12 inches maximum. The height of drop shall be measured as the height from th
36、e top of the firing pin to the bottom of the ball. nator that fails to fire or fails to create a hole in the lead disc of the requiied size shall be classed defective. 4,3.4.2 Lead azide.-The residue remaining from the potassium The use of more than f: O ml. (12 washings) of ammonium acetate The los
37、s in weight shall be 4.3.4.3 Antimony sulfide.-The residue remaining from the lead (This extraction can be The loss in weight shall be calculated as the pr- Carborundum.-The original weight of the ignited fil- A deto- Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
38、se from IHS-,-,- NIL-D-46404 13 7777906 0311764 3 KIL-D-4,6404 (Ord) 4.3.5.2 Waterproofness.-The detonators shall be immersed under 2 inches of water for not less than 48 hours. Within one hour after removal from the water the detonators shall be subjected to the sensitivity test specified in 4.3.5.
39、1. Any detonator that fails to fire or fails to create a hole In the lead disc of the required size shall be classed defective. 5. PREPARATION FOR DELIVERY 5.1 Preservation and packaain . 5.1.1 Levels B see 6.2) and 8.-The detonator shall be preserved, marked and packaged in accordance with dwg. 754
40、8103 and dwg. 7548104. 5,2 Packing and marking. 5.2,1 Level C.-The detonators shall be packed and marked in accordance with dwg. 7548102. 5.3 Data cards.-Data card information shall be as specified in Specification MIL-G-2550. 6, NOTES 6.1 Ordering data.-Procurement documents should specify the titl
41、e, number and date of this specification. 6.2 Level B.aackaning.-In the event the expected storage time is in excess of 180 days the barrier bag shall be used as specified on the applicable drawing, Expected storage time shall be deter- mined by the procuring activity, Check test for possible deteri
42、oration.-The following test is designed to prevent the loading of detonators which have deterio- rated into a major ammunition item. The test should be performed on detonators from each lot which has been stored under normal conditions for more than two years, ar under adverse conditions for any per
43、iod of time, If the specification for the annuunition item into which the detonators are loaded does not require that the check test be performed, the contracting officer should insert a provision for the performance of the check test in the contract. The contracting officer shall arrange to haae th
44、e contractor reim- bused for any expense incurred in the performance of the check test for possible deterioration. in accordance -dard BL-STD-105, using code letter P and an AQL of 0.25 percent. specified in 4.3.5.1, using test equipment specified in 4.2 6.3 6.3.1 Seasitivit .=A sample of detonators
45、 shall be selected The sample detonators shall be tested as 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-464.04 (Ord) Notice .-When Goverrunent drawings, specifications, or other data are used for any purpose other than in connection with
46、 a definitely re- lated Government procurement operation, the United States Govern- ment thereby incurs no responsibility nor any obligation whatsoever; and the fact that the Government may have formulated, furnished, or in any way supplied said drawings, specifications, or other data is not to be r
47、egarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or convey- ing any rights or permission to manufacture, use, or sell any patented invention that may in any way be related thereto. Custodian: Army-Ordnance Gorp Preparing activity: Army-Ordnance Corps 13 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
