NAVY MIL-E-82668-1977 EXPLOSIVE CYCLOTOL 25 75 AND 29 71 RDX TNT《25 75和29 71系列黑索金与梯恩梯组成的混合爆炸性炸药》.pdf

1、mis specification is approved for use by the Navai Sea Systerns ComMnd (S) , and is available for use by ail Eparhnents and Agencies of the F: DOCUMENTS 2.1 Issues of documnix. The follaWing docunutnts, of issue. effect on date of invitation for.bids or request for proposal, form a part of the speci

2、ficatiOn to the extent speci?id herein. SPECIFIamms E!EDEzaCl RJ+S-366 Sieve, .Test l4ncmw MIL.11-248 Trinitrotoluene (W) MIL-R-398 RDX -_ Beneficial. canrents (reccamrrndations, additions, deletions) and any psrtinmt Ty FOR TESTING AND MA“tS (ASIM) ASTM D 1744-64 Water in Liquid Petroleum Products

3、by Karl Fischer Reagent sampling Inustrial Chemicals ASTM E 300-73 (Application for copies should be addressed to the psnerican Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS

4、-,-,-CODE OF FlEDEWG REXXG?iTIONS 49 CFR 900-199 Transportat ion (The code of Federal Regulations is available fm the Superintendent of H)ocunients, U.S. Government Printing Office, Washinwn, Dc 20402. Orders should specify “49 CFR 100-199 (latest revision) ) l. (Technical society and technical asso

5、ciation specifications and standards are generally available for reference froan libraries. also distributed aniong technical groups and using Federal agencies). They are 3. REQUI- 3.1 Preprouction sanple. When specified in the contract (see 6.2), 0 a preproduction sample of the explosive is require

6、d and shall be mufactured using the mthos and proc a. A lot of explesive shall contain Type I 5NT frm only b. A lot of explosive shall contain Type I RDX of one class one lot nmkr of TNT fran one muactwer. frm anly one lot of RDX, 5rCa-n one manufacturer. 4.4.3 Quality conformance inspectim sampling

7、. 4.4.3.1 Sanpling for test and examination. Arepresentative 5.0 kilogram (Kg) sample shall be selected at randm Eran each lot of explosive. For -ling purposes the unit of product-shall be me cmtainer of explosive in accoydan wi* section 5. The nu-STD-1218. The RDX content shall be detennined as fol

8、lows: a. Weigh 5g of sanple to the nearestq and place in a 50 milliliter (mL) beaker. Add 15 mL benzene saturated with RDX. Cover the beaker with a watchglass and heat on a steam bath for 30 minutes. imps with a glass rod and agitate by swirling occasionally. Break up any b. After rmval from the hea

9、t, cool to rom temperature and filter the solution through a tared filtering crucible. insoluble residue ram the beaker to the crucible using four or mre 2 to 3 portions of Mzene saturated with RDX. Transfer the c. benzene is no longer detectable. circulating oven at100 k 5OC until constant weight i

10、s obtained. a desiccator and obtain the weight of the crucible and sample. Draw heated air through the crucible until the odor of Dry the crucible and contents in an air Cool in d. Calculate the wt% RDX as follows: wt% RDX = 100 A w - (ml where A = increase in might of filtering crucible, g W = Weig

11、ht of M = Weight misture explosive 4.7.2 ?NT content. The TNT content shall be obtained by difference: 100 - wt% RDX (fran 4.7.1) = I3 misture content. The misture content shall be determined by a Karl Fischer method in accordance With ASTM D 1744-64 except that a solvent consisting of 1:1 anhydrous

12、 methano1:carbn tetrachloride (misture free) shall be used. 4.7.4 insoluble particles. The insoluble particles shall be determined in accordance with the following: a. Weigh a 50g portion of the sample to the nearest mg in Add 100 mL of benzene and heat the beaker and contents on a 400 mL beaker. a

13、steam bath until all imps are broken dm and all soluble material is dissolved. b. Pour the contents through a small U.S.A. Standard series 250 (No. 60) sieve in accordance with FR-S-366. Carefully wash all insoluble matter fran the beaker to the sieve with benzene. Provided by IHSNot for ResaleNo re

14、production or networking permitted without license from IHS-,-,-MIL-E-826b 13 U 7779706 0362557 4 W MIL-E-82668 (OS) c. Wash the residue on the sieve with acetone to rave RDX. Dry the sieve with vam air. Count the retained particles. 4.8 Visual examinations. 4.8.1 Fonn. Spread approximately 50g of s

15、ample over a flat surface 4.8.2 Workmanship. Spread approximately 1OOg of sarrrple over a flat 4.9 Packaging incpection. The packaging inspection shall consist of and visually examine the material to veriy confomce to 3.3. surface and visually examine the material to verify conformance to 3.8. the e

16、xaminations of 4,g.l and 4.9.2 performed on sample containers selected in accordance with 4.4.3.2. The acceptable wlity levels *(AQLs) shall be as specified in TABLES II, III, and IV. When specified in the contract (see 6.2), AQLs may be applied to the individual attributes listed, using an AQL of 0

17、.25 defects per one hunred units inspected for major defects and an AQL of 0.40 defects per one hundred units inspected for minor defects. 4.9.1 Examination prior to closing. Sample containers selected prior to closing shall be examined for the defects listed in TAEILE II. AQLs shall be as specified

18、. The 4.9.2 Examination of closed containers. Sample containers selected folloding closure shall be inspected in accordance with TABLE III for level A packaging (see 5.1) and TAEILE IV for level C packaging (see 5.2) . The AQLs shall be as cpecified in the applicable TAEILE. TABLE II. mamination of

19、containers prior to closing. Critical Major AQL -E-82668 are identical to those of WS 1724 6.5 Surface active agent. A maximurn of 0.10 wt% sorbitan trioleate in accordance with Mu;-S-547 or other approved surface active agent may he added to facilitate the filtration of RDX. Custodian : NAVY-os Preparing Activity: NAVY - os . ._ . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-