1、MIL-C-10113C 42 a 7777706 0231540 16 September 1974 SUPERSEDING MILITARY SPECIFICATION COVER, OUTLET VALVE (FOR Ci5 OUTLE“ VALVE) This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification describes one type of molded cover fo
2、r the Cl5 outlet valve. 2. APPLICABLE DOCUMETJTS 2.1 Government documents. The following documents of the issue in effect on date of invitation for bids or request for proFosal form a part of this specification to the extent specified herein: STANDARDS FEDERAL FED-STD-123 - Marking for Domestic Ship
3、ping (Civil Agencies). FED-STD-O - Rubber: Sampling and Testing. MXLITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. DRAWINGS US ARMY ARMAhENT COMMAND EDGENOOD ARSENAL C5-2-598 - Cover, Outlet Valve. DLl36-19-14 - Tester, Puncture, Natural Plutber, Q38. DL136-19-22 -
4、Tester, Flexibility, Ifatural Rubker , 437. FSC 4240 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-10113C 42 W 9999906 0231541 T m MIL-C-lOUSC (EA) PUBLICATIONS EDGEWOOD ARSENAL DIRECTIVE No. 618 - Ozone resistance Test of Natural Rubber Mate
5、rial. (Copies of specifications, standards, drawings, and publications required by the suppliers in connection Kith specific procurement functions should be obtained Fromthe procuring activity or as direct- ed by the contracting officer. ) 3.1 Materials. 3.1.1 Raber compound. The rubber coicpound sh
6、all be non-blooming, excest for slight wax-type bloom, and shall contain no less than 65 per- cent, by volume, of new naturel rubber. The compound shall be free from lead or mineral. sulfates. 3.1.2 Antioxidants and accelerators. The rubber compnd shall contain only approved antioxidants and acceler
7、ators. 3.1.3 Sun-checking retardant. The rbber compound shall contain a sun-checking retardant . 3.1.4 Copper and manganese inhibitor. The rubber compound shall con- tain a copper and manganese inhibitor. 3.1.5 Coloring materials. The rubber compound shdl be colored by carbon black, as required. 3.2
8、 Manufacture. The cover shall be manufactured in one piece by the conventional process of molding under heat and pressure, in accord- ance with Drawing C5-2-598, in molds approved bj Edgewood Arsenal. 3.2.1 Repair of flaws, Covers with small flaws may be repaired and accepted, provided there is no c
9、hange in the formulation or surface continuity. 3.2.2 Test slabs. Test slebs, 6 by 6 inches, 33. 0.075 2 0.01 inches, shall be made from stock resresefitativz of the forixhticn used for the srepoouction se.rl?le and from each sublot Curing regluler pro2ac;icr- o? covers. ,“rie slTIL-STD-105. 4,4.2.2
10、 For destructive tests. Thirty-nine test slabs (see 3.2.2) shall be submitted with each sublot for testing. 4.4.3 inspection procedure. 4.4.3.1 For examination. The sample covers from regular production lots shall be examined in accordance with the classification of defects and with ML-STD-iO5. 4.4.
11、3.2 For destructive tests. Sample test slabs shll be tested in accordance with 4.4.k. The acceptance number is O. 4.4.3.3 classification of aefects. (a) Cover, outlet valve (Dwg C5.-2-5?9). Cat egories Critical : Xajor: 101 102 10 3 10 4 Xinor: 201 202 20 3 Cefects Bone Gzfined 1.0 psrcent defective
12、. Vorhmchip ( see 3.5 ) Fit incorrect 1/8-110le dianeter or alignment incorrect Grease or oil contauination 2.5 percent efective. Tni chiess incorrect Iisdallior, or ramking dssirg, Cor;tarr;ination (other than greas 3 illegible or incorrect or oil) 5 Provided by IHSNot for ResaleNo reproduction or
13、networking permitted without license from IHS-,-,-MIL-C-IOLL3C 42 - 9999906 O2315Li5 7 mL-C-l0113C( EA) 4.4.4 - Test. 4.4.4.1 Test specinens. Specimens shall not be buffed or stretched before testing. Twenty specimens, two from each of 13 test slabs, shall be taken for tensile strength, ultimate elo
14、ngation, and tensile stress testing. Ten specimens shall be tested before aging and 10 shall be tested after aging. Six specimens, two from each of three test slabs, shall be taken, without aging, for tension-set testing. Twenty speci- mens, two from each of 10 test slabs, shall be taken for teer re
15、sistance testing. Ten specixens shall be tested before aging an 10 shall be tested after aging. Twelve specirnens, two from each of six test slabs, shall be taken for ozone-resistance testing. Ei! 8SALE AT THE tWIYb.LEHT CUAI! TIME. 8 Provided by IHSNot for ResaleNo reproduction or networking permit
16、ted without license from IHS-,-,-NIL-C-10113C 42 W 7997706 O231548 2 hilL-C-l0113C( EA) 6.4 Major change. The term applies to any change in formulae, pro- cessing, or curing of currently approved rubber stccks. change should be considered effected when one or more of the following The major conditio
17、ns occur: (a) (b) (c) (a) (e) Components of formulae, are varied in excess of the limitations “he addition or deletion of one or more components of formulae. Substitutes for one or more com3onents of formulae without Deviations from the subflitted and approved factory mold Use of mold lubricants, du
18、sting powders, or wet sprays stated in the manufacturers tolerance (see 6.5). advance approval of Edgewood Arsenal. cure exceeding +5OF or -lOF, even though equivalent cure is attained. not used in preparation of cure ofthe original sanles subvitted for approval. 6.5 Manufacturers tolerances. The ma
19、nufacturer should submit to Edgewood Arsenal the variations in amounts used, or tolerances, for accelerators, plasticizers, and softeners. These tolerances are per- mitted to enable the manufacturer to produce stock which will consist- ly comply with this specification and which will process satisfa
20、ctorily in the plant. Components of fomulae may be submitted on the basis of percentage of stock or number of parts of rubber, and the manufacturers tolerances recorded in tine same units. 6.6 - Batch. A batch is defined as that quantity of material which has been manufactured by some unit cheaical
21、process and subjected to some physical mixing operation intened to make the final product sub st ant ially uniform. 6.7 Agina. Aging at 212 2 1.8F for a continuous period of 24 hours is slightly more severe on rubber than aging zt 158 + 1.8F for i66 consecutive iiours; therefore, specinens tnat fail
22、 t meet requirements when aged at tifie higher temperature may be discarded and replaced by new specimens aged at 158 - + 1.8F for 166 consecutive hours. 6.8 Interplant shipments. Packaging for supplies anci naterials whick will no enter the military.supply system. Typical interplant shipments are s
23、hipiaents from a vendor to a subcontractor or a prime contractor, or from a subcontractor to a pime contractor, cr from a vendor or contractor to a military assenal or plant. 9 i) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-LOLL3C Li2 W 777
24、7706 0233547 4 W MIL-C-lOll3C( EA) 6.9 International interest. Certain provisions of this specification are the subject of international ctandarization agreement STAG 216 and 234. laen amendment, revision, or cancellation of this specifica- tion is proposed which will affect or violate the internati
25、onal agree- ment concerned, the preparing activity will take appropriate reconcilia- tion action through international standardization channels including departmental standardization offices, if required. Custodian: Army-m * U. S. GOVERNMENT PRINTING OFFICE: 1974603-1 11/28 17 Preparing activity: Army-= Project No. 4240-A477 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
