1、* I INCH-POUND I MIL-M-21383A AMENDMENT 2 28 SeDte mber 1995 SUPERSEDING AMENDMENT 1 6 June 1977 MILITARY SPECIFICATION MANGANESE DELAY COMPOSITION This Amendment forms a part of MIL-M-21383A, dated 22 October 1976, and is approved for use by all Departments and Agencies of the Department of Defense
2、. PAGE 1 * 2.1: Delete: “2.1 The following documents of the issue in effect on date of invitation for bids or request for proposals form a part of this specification to the extent specified herein. In the event of conflict between this specification and other documents referenced herein, requirement
3、s of this specification shall apply.“ And substitute: “2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents in other sections of this specification or recommended for additional information or as examples.
4、While every effort has been made to ensure the completeness of his list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 SDecifications. standards. a
5、nd handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and su
6、pplement thereto, cited in the solicitation (see 6.2).“ * 2.1: Delete “MIL-V-23776 Vermiculite, Expanded“. AMSC NIA 1 of5 FSC 1377 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
7、om IHS-,-,-MIL-M-21383A (2) 9999906 2006547 223 MIL-M-21383A AMENDMENT 2 PAGE 2 * Above “DRAWINGS“ add: “(unless otherwise indicated, copies of the above specifications, standards, and handbooks are available fiom the Standardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphi
8、a, PA 191 11-5094.) 2.2.2 Other Government documents. drawinm. and Dublications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation.“ * Under Draw
9、ings add: “NAVAL SURFACE WARFARE CENTER, INDIAN HEAD DIVISION (CAGE CODE 14083) 23958-1 Delay Body (Application for copies should be addressed to: Commander, Indian Head Division, Naval Surface Warfare Center (Code 8410P), 101 Strauss Avenue, Indian Head, MD 20640-5035.)“ * Following 2.2.2 insert ne
10、w paragraph: “2.3 Non-Government Dubiications. The following document forms a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise sp
11、ecified, the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM C 516 Vermiculite, Loose Fill Thermal Insulation OD adopted) (Application for copies should be addressed to the Americ
12、an Society for Testing and Materials Customer Service, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.)“ PAGE 3 * 3.1.1.2: Add “as determined on the Microtrac (see 4.3.1 and 6.4).“ 3.1.1.3: Delete “powder treated with Anstac solution“ and substitute “delay prepared per 4.3.2.“ 3.1.1.4: Dele
13、te “powder treated with Anstac solution“ and substitute “delay prepared per 4.3.2.“ Following 3.1.1.4 insert new paragraph: 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-21383A AMENDMENT 2 “3.1.1.5 Untreated manganese powder shall be treate
14、d in accordance with OD 9360 prior to delay composition manufacture. “ 3.1.2.2: Add “as determined in 4.3.3“. 3.1.3.2: Add “as determined in 4.3.3“. * 3.2.1, line 8: Delete “3 months“ and substitute “12 months“. 3.2.1, line 9: Delete “should“ and substitute “shall“. PAGE 4 * 4.: Delete “QUALITY ASSU
15、RANCE PROVISIONS“ and substitute “VERIFICATION“. * 4.1: Delete paragraph 4.1 in its entirety. * 4.3.1(c): Delete “Micromerograph“ and substitute “Microtrac“. Add “Prior to Microtrac Analysis, the samples shall be treated with Anstac solution as follows: Mix the Anstac solution with the manganese sam
16、ple in a ratio of one milliliter of solution to one gram of manganese. Allow the dampened sample to air dry and then dry the powder for 10 minutes at 71C (160F)“. 4.3.l(d): Insert “of 3.1.1.1“ in between “requirements“ and the comma. 4.3.2 Delete in its entirety and substitute: “4.3.2 Treatment eval
17、uation. (a) Mix 45 grams Cg) of treated manganese powder with 55 g of lead chromate for 30 minutes in a lh pint ball-mill jar containing about 15% inch porcelain balls. (b) Load 10 test elements in accordance with 4.3.4.1. Test five elements at 24“ f 4C in accordance with 4.3.4.2 and five after envi
18、ronmental conditioning as described in 4.3.5. Average burning time of each test shall meet the requirements of 3.1.1.3 and 3.1.1.4, respectively.“ PAGE 5 * 4.3.4: Delete second sentence and substitute “A lumped representative sample shall be taken from the lot and 40 delay bodies shall be loaded fro
19、m the samples, 20 for room temperature per 4.3.4.2, 10 for environmental per 4.3.5, and 10 for low temperature per 4.3.6.“ PAGE 6 * 4.3.4.1, line 2: After “Dwg 1826685“ add “or 23958-1“. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-* * * * MIL-M
20、-21383A (2) m 9999906 2006549 OTb m Y MIL-M-2 1383A AMENDMENT 2 4.3.5, line 13: Delete “4.3.1.2“ and substitute “4.3.4.2“. 4.3.6, line 5: Delete “4.3.1.4“ and substitute “4.3.4.4“. 4.3.6, line 7: After “shall be -54“ f 2C.“ add “Time from removal from conditioning box of test element up to test fire
21、 shall not exceed 2 minutes.“ 4.3.6, line 12: Delete “confrom“ and substitute “conform“. 5.1.2, line 3: Delete “MIL-V-23776“ and substitute “ASTM C 516“. PAGE 7 5.1: Add “For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When actual packag
22、ing of materiel is to be performed by DoD personnel, these personnel need to contact the responsible packaging activity to ascertain requisite packaging requirements. Packaging requirements are maintained by the Inventory Control Points packaging activity within the Military Department or Defense Ag
23、ency, or within the Military Departments System Command. Packaging data retrieval is available from the managing Military Departments or Defense Agencys automated packaging files, CD-ROM products or by contacting the responsible packaging activity. “ 5.1.2.1, line 4: Delete “MIL-V-23776“ and substit
24、ute “ASTM C 516“. 5.2.2.2, line 4: Delete “MIL-V-23776“ and substitute “ASTM C 516“. Change paragraph numbers 5.1.1 through 5.4 to 6.6.1 through 6.9 respectively. PAGE 8 6.2 and 6.2.1 title: Delete and substitute “6.2 Acauisition reauirements. Acquisition documents must spec$ the following:“. 6.2.1:
25、 Add “(b) Issue of DoDISS to be cited in the solicitation, and if required, the specific issue of individual documents referenced (see 2.2)“ 6.2.1): Change “(b)“ to “(d)“. 6.2.l(c): Delete and substitute “(c) Packaging requirements (see 5.1 and 6.6)“ 6.2.l(d): Delete entire line. PAGE 9 6.4: Delete
26、“Micromerograph Type XC“ and substitute “Microtrac“. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-c MIL-M-21383A AMENDMENT 2 * 6.6: Change paragraph number to 6.10. * NOTE: The margins of this amendment are marked with asterisks to indicate wher
27、e changes (additions, modifications, corrections, deletions) from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this d
28、ocument based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians : Navy - OS Army - EA Preparing Activity: Navy - OS (Project 1377-OE28) Review Activity: Amy - AR 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-