1、(fNCH-POUNOI MIL-P-15742C - SUPERSEDING MIL-P-157428 20 February 1973 (See 6.5) MILITARY SPECIFICATION PLUGS, PLASTIC (HJUT-EXC“GER-TUBE) This specification is approved for us8 by all Departments 8nd Agencies of the Department of Defense. 1. SCOPE 1.1 ScoDe. This specification covets heat-exchanget-
2、tube plugs which are driven into both ends of leaking condenser or other heat-exchanger-tubes to prevent contamination of the fluid surrounding the tubes. 1.2 ClassffLcstioa. Plugs covered by this specification shall be designated in the followfng form (see 6.2 and 6.3): Military part nube Size code
3、 number (see 1.2.1) 1.2.1 Size c ode number. single-digft number (see table I). The size of the plug (see 3.3) is identified by a I I Beneficial comments (recommendations, additions, deletfons) and any pertinent data which may be of use in improving this document should be addressed.to: Commander, N
4、aval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardlzatfon Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 4730 PISTRTRUTT ON STATMENT 4 . Approved for publiZ relea2;-
5、 distribution is unlidted. Infomution Wandling Ssvics, Mo6m ISSUE 93-01. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-LS742C Y7 9 9999906 02721ii5 9 I HIL-P-15742C TABLE I. r 2 3 4 5 6 I l 2, APPLICABLE DOCUMENTS 2.1 Cwerment d ocument S. 2.
6、1.1 8Decifications and standarda . The following specifications and standards form a part of this docunent to the extent specified herein. otherwfse specified, the issues of these documents are those listed in the Issue of the Department of Defense Index of Specifications and Standards (DoDISS) and
7、supplement thereto, cited in the solicitation (see 6.2). Unless SPECIFICATIONS FEDERAL PPP-B-566 - Boxes, Folding, Paperboard; PPP-B-636 - Boxes, Shipping, Fiberboard. MILITARY MIL-P-116 . - Preservation, Methods of. STANDARDS FEDERAL FED-STD-406 - Plastics: Methods of Testing. MILITARY MIL-STD-105
8、- Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage. Attributes. (Unless otherwise indicated, copies of federal and military specifications and standards are available from the Naval Publications and Forms Center (ATTN: NPODS), 5801 Tabor Avenue, Philade
9、lphia, PA 19120-5099.) 2.2 Non-Government I) ublicationg . The following documents form 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. documen
10、ts not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). Unless otherwise specified, the issues of 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NATIONAL MOTOR FREIGHT TAFFIC ASSOCIATION, INC., AGENT Nation
11、al Kotor Freight ClasaificatSon (Application for copies ihould be addressed to the National Kotor Freight Traffic Association, Inc., ATA TRAFFIC Dept., 2200 Hl11 Road, Alexandria, VA 22314. ) UNIFRM CLASSIFICATION COMHITTEE AGENT Uniform Freight Clasrification Ratingi, Rules and Regulations (Applica
12、tion for copies should be addressed to ths Uniform Classification Committse Agent, Tariff Publication Officer, Room 1106, 222 South Riverside Plaza, Chicago, IL 60606.) (Non-Covernment standards and other publicatfons are normally available from These documents also the organizations that prepare or
13、 distribute the docmento. may be available in or through libraries or other informational mewices.) 2.3 grder af sec edenc e. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence, Nothing in this document, however, s
14、upersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Hat erial, . Plugs shall be made of laminated phenolic-material, consisting of layers of cotton fabric impregnated with natural-color phenolic resin and pressed under controlled conditions of
15、 temperature and pressure. 3.1.1 Recovered materials. Unless otherwise specified herein, all material incorporated in the products covered by this opacification shall be new and may be fabricated using materials produced from recovered materials to the maximum extend practicable without jeopardizing
16、 the intended use. The term “recovered materials“ means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials. used or rebuilt products is allowed under this specification unless otherwise specificall
17、y specified. None of the above shall be interpretei3 to mean that the use of 3.2 phvsical orooerteg. The material from which the plugs are made shall conform to the following physical properties: Tensile strength, flatwise pounds per square inch 6,500 Compressive strength, flatwise lb/in . (min) . 2
18、5,000 Impact strength, flatwise, Izod, foot pounds per inch of notch, (min) . 2.3 (lb/in2), (min) .*. 3.3 Sfzes. Plugs shall be of the following sizes, as specified (see 6,2), end shall conform to the dimensions shown on figure 1. Plugs shall not be out of round by more than 0.010 inch at any cross
19、section along two-thirds of the length starting from the largest diameter end. 3 Infwiatim Handling Services, DasTD 1st 9341. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-dIL-P-15742C Y7 I 999990b 02721r17 2 II NIL-P-15742C 3jG 3.4 Surfaca. Plugs
20、shall be machined from laainatod phenolic-material in such a manner that the long dimension of the plugs vil1 li. parallel to the laminations. shall be free from scratches, cracks, dents, or other lniperfectiona which may prevent watertight seals between the plugs and the tubs. The edges ahall be fr
21、ee from burrs or other defect The aurfaces 3.5 pater -. Plugs shall not show an increase in weight of more The loss In veight of the plugs shall be not more than than 2.50 percent (see 4.4.2). 3.6 srnmercfal. Plugs of one size (seti 3.3), preserved as specified (see 5.1), shall be packed in containe
22、rs acceptable to the comon carrier and which will ensure safe delivery at destination in a satisfactory condition at the lowest applicable rate. Containers, packing, and method of shipment shall conform to Unfform Freight or National Motor Freight Classification Rules or other carrier rules as appli
23、cable to tho mode of transportation. 5.3 m. In addition to any special marking required (see 6.21, fnterior packages and shipping containers shall be marked in accordancs with MIL-STD-129. Item description shall include the plug size (see 3.3). 6 Infmation Handihg Services, msTD Issue 93-01. Provide
24、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HIL-P-15742C 6. NOTES (This rection contains information of a general or explanatory nature that niay ba halpful, but 1s not mandatory.) 6.1 Intended usa. The plugs ara lntended to ba driven fato both ends of
25、leaking condenser or other heat-exchanger-tubes, thus preventing contamination of- the surrounding fluid. 6.2 jcauisitf on reauir ment2 . Acquisition documents must specify the following: (a) Title, number, and date of this specification. (b) (e) Military specification part number required (see 1.2)
26、. Issue of DoDfSS to bei cited in the solicitation and, if required, the specific issue of individual documents referenced (see 2.1.1 and 2.2). (d) (a) (f) (g) Special marking (see 5.3). Definitive Mili tam Dart num bey. Sire of plugs required (see 3.3). Lave1 of preservation-packaging and packing r
27、equired (see 5.1 and When other than 50 plugs per unit package is required (see 5,1.2). 5.2). 6.3 definitive part number which corresponds to the size of plugs covered by this specification. combined to form the definitive Military part number (see 1.2). The Military part number is a The Hilitary Sp
28、ecification number and the size code number are 6.4 mlect tem kev word) l-. Fabric, resin-impregnated cotton Material, laminated phenolic 6.5 manaes from Dr evious u . Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extensiveness of
29、the changes. Custodians: Amy - HE Navy - SH Review activities : Army - ME Navy - SH DSA - cs User activitieg: Army - WC Navy - MC Preparing aetivfty: Navy - SH (Proj act 4730- 1132) 7 Infomation Hading bruicas, GTD 1- 93-01, Provided by IHSNot for ResaleNo reproduction or networking permitted withou
30、t license from IHS-,-,-nxt- t-15742 f 1/4* TUBE PLUG I 3/8“TUE PLUG I I 142“ TUBE PLU0 I 7/16“ I I 0/8“ I 518“ TUBE PLUG 1/2“ f 13jI6 I w 3! 3/4“ TUBE PLUG f I I ALL FRACTIONS 2 a SH 10489 FIGURE 1. Tube Dlua dimenstons. 8 Infamtim Hardling Savicas, OooSTD ISSJE 93-01, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
