1、!IL-P-L7687 13 W 779790b 0277290 T WARNING.- This document contains C-MIL-P-17689 (Nord) Superseding 30 July 1953 information affecting the national NAVORD OS 5043 , defenee of the United States within the meaning of the eapionage laws, Title 18 U. S, c, Section 793 an 794. The transmission or the r
2、evelation of its contents in any manner to an un- 23 October 1952 23 Mrch 1953 authorized person ia prohibited by law, glP.*?t Explosives and other Dangerous Articles, Code 49 CFR 71.1. (Copies of the Code of Federal Regulations may be obtained upon application, accompanied by money order, coupon, o
3、r cash, to the Superintendent of Documents, Government Printing Office, Washington 25, D. C. obtained from the Superintendent of Documents. ) Prices may be 3. REQUIRaaENTs 3.1 #aterials.-The raw niaterials used in the manufacture of rocket propellant under thia specification ahall conform to the req
4、uirements given in the apecificationa listed in 2.1. shall be of the grade and type indicated: In addition the following material A. Nitrocellulose : Military Specification, JAN-N-244, Grade A, Type 1, Processed from cotton linters cellulose unless otherwise specified, 3.2 Composition.-The product s
5、hall coutain, in approximately the specified proportions, all of the ingredient8 listed below: Nitrocellulose (l2.w Nitrogen) . 5O.M (by weight) -Nitroglycerin . 34.9 Diethyl Phthalate 10.5 2-Nitrodiphenylamine 2.0 Compounds-202 . 1.2 Compound H-101 . 1.2 CanelillaWax . 0.2 Total lOO.O$ - 3.3 Test R
6、equiremnts.-The following conditions ahall be satiafied. A. A point shall be plotted in Fig. 1 corresponding to the man heat of explosion, Ho, and the computed standard deviation, both of which shall have been obtained according to the procedures outlined in NAVORD OD 9375. sH B. This point shall li
7、e within the region bounded by the acceptance curve and the horizontal axis. Ce The samples for the heat of explosion test shall be taken in accorance with 4.2.1.1. 3 Licensed by Information Handling ServicesMIL-P-L7b7 13 7779706 0277Z73 5 m 3.3.2 Strand Burniw Rate.- A. The sum of the squares of th
8、ose deviations of the average burning rates which occur in the undesired direction from the specified minimum desired burnn rates at 109 and maximum deaired burning rates at i30b (see 3.3.2 C -3) shall not be greater than 0.000700 (in/aec.)2. rates shall have been obtained according to the procedure
9、 given in NAVORD OD 9376. The average burning B. The average of the ranges of burning rate levels for each of the eight sets of five shots ahall not exceed 0.050 in/sec. (see 3.3.2 C 4). Ce Computation 1. Procedures for computing the merage burning rate of individual strands and for determining the
10、necessity of partial retesting of lots of propellant powder are outlined in 3.2 G of WVORD OD 9376. a. Provided that strands are divided into three equal increments of length, by the insertion of four fuae wires, the critical value of chro (the difference between the burning rates of the fastest and
11、 the slowest burning increments of any strand) as referred to in NAVORD OD 9376 is 0.024 in/secj for N-5 propellant, Tne critical value of wherever the mean burning rate at 1309 and at any of the four test preseures is greater than the above respective maximum desired value, the difference shall be
12、squared; the sum of the squares of the ifferences which occur in the undesired direction shall be obtained. 4. The range of individual values for strand burning rate at each of the eight conitions of firing shall be Lot 1917 Test Sample C shall be used for the moisture determination. 4.2 .l -4 Test
13、Sample D . - General Chemical Analysis. -From the material remaining after the preparation of Test Sauple B and Test Sample C, a section weighing about 4.0 grams shall be selected from each of the 50 samples. methods described in NAVORD OD 9377 and blended thoroughly to give a uniform sample weighin
14、g at least i50 grams. used for the general chemical analysis and the Taliant test. These sections shall be reduced in size by one of the Test Sample D.shall be 4.3 Laboratory Tests.-Standard Laboratory test shall be made on each submitted lot of propellant at a laboratory designated by the Bureau of
15、 Ordnance. The methods and procedures shall be those indicated in the NAVOHD ODs cited in previous sections. may be used at the discretion of the inspector or contractor provided that such methods shall have the approval of the Bureau of Ordnance. Moisture and nitrocellulose contents shall be determ
16、ined by the methods specified in NAVORD OD 9377. Alternate methods and procedures 50 PREPARATION FOR DELIVERY 5.1 Packing.-The.propellant shall be packed in a suitable box, constructed and labelled in confomnce with applicable regulations of the Interstate Commerce Commission. The box shall be accep
17、table for transportation by common carrier. packing shall be indicated .in the applicable requisition, contract, or order. packing to be used. 5.2 Marking.-Each shipping box shall be marked in conformance with applicable regulations of the Interstate Commerce Commission and shall be labelled “Smokee
18、ss Powder for Rockets“, “Sheet Propellant, Lot No. the contract number, the net and gross weight. The shipping box and manner of The Bureau of Ordnance may specify the type box and manner of N-5, I, and shall in addition bear the contractors name, 5.3 Description sheets and Test reports.-A descripti
19、on sheet covering the manufacture of the sheet powder and including the results of all teats shall be prepared. Description sheetasubmitted by the contractor Licensed by Information Handling ServicesMIL-P-17687 13 9777706 0277300 7 shall include only that portion of the manufacturing process for whi
20、ch the contractor is responsible. Three copies of the description sheet and teat results shall be forwarded to the Bureau of Ordnance, Department of the Navy, Wushington 25, D. C. of the following: Two copies shall be forwarded to each A. Commanding Officer U.S. Naval Powder Factory Indian Head, Mar
21、yland U.S. Naval Ordnance Test Station, Inyokern China hke Calif ornia Attn: Code 40. B. Commander 5.4 Shipping Destination.-Shipping destination shall be furnished by the Bureau of Ordnance upon acceptance of particular lots involved. 6.1 Intended Use. -The rocket propellant powder covered by this
22、apocification is intended for use in the processing of propellant grains for various solid fuel rockets. 6.2 Ordering Data. -Procurement documents should specify the following: a. Title, number, and date of this specification. b. Class required (see 1.2). 6.3 General Safety Precautions. -The manufac
23、ture and handling of this rooket propellant powder involve hazardous operations and, therefore, require suitable safety precautions. The contractor or manufacturer is referred to Volumes 1 and 2 of Bureau of Ordnance Pamphlet No. 5-kmunStion Aahore, for guidance in matters involving safety connected
24、 with ammunition and ex- plosives. Use of this specification shall not be so construed as to relieve the contractor or the manufacturer of responsibility for the safety of his operations. NOTIX.-blhen Government drawings, specifications, or other data are used for any purpose other than in connectio
25、n with a definiliely related Government procurement operation, the United States Government thereby incurs no responsibility nor any obligation whatsoever; and the fact that the Government may have formulated, furnished, or in any way supplied the said drawings, specifications, or other data is not
26、to be regarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission, to mnufacture, use, or sell any patented invention that may in any way be related thereto. Licensed by Information Handling ServicesCOS 1 . Scop
27、e 1 1.1 Scope . 1 1.2 Classificetion . 2 . Applicable Specifications. Standards. 3 . Requirements 3.1 Materials . 3.2 Composition 3.3 Test Requirements . 3.3.1 Heat of Explosion 3.3.2 Strand Burning Rate . . . i Drawings. and Publications 1 3 3 3 . 3 3 4 3.3.3 Taliani Stability . . 3.3.4 Moisture 3.
28、3.5 Chemical Analysis . . 3.4 Dinensions . 3.4.1 Class 1 Sheet 3.4.2 Class 2 Carpet Rolls 3.5 Appearance . 3.6 Workmanship 3.7 Rework . 4 . Sampling Procedures . 4.1 Lot 6 6 6 . 6 7 7 7 7 7 7 4.2 Sampling - 7 Licensed by Information Handling ServicesL MIL-P-17b7 13 77777Ob 0277302 2 c-MIL-P-i7689 (N
29、ord) 4.2.1 Iaboratory Test Samples . . . . . . . . . . . . 9 4.2.1.1 Test Sample A - Heat of Explosion Determination . . . . . . . . . . . . . 9 4.2.1.2 Test Sample B - Strand Burning-Rate Determination . . . . . . . . . . . . 9 4.2.1.3 Test Sample C - Moisture Determination . . 9 4.2.1.4 Test Sampl
30、e D - General Chemical Analysis . 10 4.3 Laboratory Tests . . . . . . . . . . . . . . . . . . . . 10 5. Preparation for Delivery . . . . . . . i . . . . . . . . . 10 5.1 Packing . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5.2 Marking . . . . . . . . . . . . . . . . . . . . . . . . 10 5.3
31、Description Sheets and Test Reports . . . . . . . . . . . 10 5.4 Shipping Destination . . . . . . . . . . . . . . . . . 11 6. Notes . . *. . . . . . . . . . . . . . . . . . . . . . . . 11 6.1 intendedbe. . . . . . . . . . . . . . . . . . . . . . . . 11 6.2 Ordering Data e . . . . . . . . . . . . . . . . . . . 11 6.3 General Safety Precautions . . . . . . . . . . . . . 11 *+E Figures : 1. Acceptance Chart for Heat of Explosion Requirement . 5 2. Division of Sheet Sample into Four Inividual Test Samples 8 *-E* Licensed by Information Handling Services
