1、MIL-M-L7291D 53 = 999970b 0101877 O = This aoc*unent has been approved for public release an sale; its I distribution is unlimited. .I :lIL-M-l7191D (SHIPS) 22 September 1970 5 UPERSEDING MIL-M- 1719 IC (SHIPS) 15 October 1956 (See 6.7) - MILITARY SPECIFICATION MOUNTS, RESILIENT;. PORTSMOUTH BONDED
2、SPOOL TYPE 1. SCOPE 1.; SCO e. This specification covers the Portsmouth bonded spool type series of pletely assenbled mount. These mounts are primarily for use on submarines where applicable. rubber resr +- ient mounts, together with tests for evaluating the rubber stock and the com- 1.2 Classificat
3、ion. e desi nation. The bonded spool type resilient mount shall conform to Draw- ing 5k:ll%-h be designated as follows: 15P50A 15P100A 15P150A 15P220A 15P 30 O A 15P4 OOA 15P400B 15P 5 50A 1 5P 5 50B Types 15P7 OOA 15P700B 15P 80 OA 15P800B 15P1 O0 OA 15P1000B 15P 12 O OA 15P1200B 1 5P 2 O O OA 15P2
4、 000B 1.2.1.2 The type designation is arbitrarily established based upon the upper load rating characteristics of the mount. The numbers and letters in the type designation denote the follawing: First number - Denotes the natural frequency in the axial direction under upper Letter P - Denotes the mo
5、unt design activity (Portsmouth Naval Shipyard). Second number - Denotes the upper load rating (pounds). Letters A and B - Denotes mount design. rated load (cycles per second (C.P.S.) 1. 1.2.2 Rubber stock class. The rubber stocks for the resilient elements of the mounts shall be fur- -CES for the p
6、articular type of mount shown in table I (see 6.2). Table I - Bonded spool type mounts. I I Mount type i Rubber stock I 15P50A 15P150A 1 5P 4 O OA 15PIOOB Class A I 1 15P100A 15P22OA I 15p550A 1 5P 5 SOB 15P 8 O OA I 1SP800B FSC 5340 . Provided by IHSNot for ResaleNo reproduction or networking permi
7、tted without license from IHS-,-,-MIL-M-1719 ID (SHIPS ) Table I - Bonded spool type mounts (contd). 1 Mount type I Rubber stock 15P3OOA I I Class c 15P700A 15P700B 15P1 O OOA 15P 1 O OOB 15P 120 OA 15P 120 OB 15P 200 OA 15P 20 OOB 1 I I 2. APPLICABLE WCUMENTS # 2.1 The following documents of the is
8、sue in effect on date of invitation for bids Gr request for proposai, form a part of the specification to the extent specified herein. SPECIFICATIONS “I LITARY MIL-P-116 - Preservation, Methods of. NIL-M-17185 - Mounts, Resilient; General Specifications and Tests For MIL-1-45208 - Inspection System
9、Requirements. PPP-B-636 - Box, Fiberboard. PPP-B-640 - Boxes, Fiberboard, Corrugated, Triple-Wall. (Shipboard Application). FEDERAL STANDARDS FEDERAL FED-STD-601 - Rubber: Sampling and Testing. MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-129 - Marking for Shipm
10、ent and Storage. MIL-STD-407 - Visual Inspection Guide for Rubber Molded Items. MILITARY. DRAWINGS BUREAU OF SHIPS 5000-S1112-F-1385777 - Mountings Resilient, Portsmouth Bonded Spool Type in connection with specific procurement functions should be obtained from the procuring activity or as directed
11、by the contracting officer.) 4 2.2 Other publications. The following documents form a part of this specificatio2 to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. (Copies of specifications, standards, d
12、rawings, and publications required by suppliers UNIFORM CLASSIFICATION COMMITTEE Unif om Freight Clas si f i cation Ru les (Application for copies should be addressed to the Uniform Classification Committee. 202 Union Station, 516 West Jackson Boulevard, Chicago, Illinois 60606.) NATIONAL CLASSIFICA
13、TION BOARD National Motor Freight Classification Rules (Application for copies should be addressed to the National Motor Freight Traffic Association, Inc., 1616 “P“ Street, N.W., Washington, D.C. 20036.) . - O Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
14、IHS-,-,-AMERICAN SOCIETY FOR TESTING AND MATERfALS (ASTM) D412-68 - Tension Testing of Rubber Products. (Application for copies should be addressed to the American Society for Testing and Materialr, 1916 Race Street, Philadelphia, Pennsylvania 19103.) 3. REQUIREMENTS 3.1 Qualification. The mounts fu
15、rnished und dried by procedure D-1 or D-4, and unit protected in accordance with method III of MIL-P-116, as follows: (a) (b) Each wrapped mount shall then be placed in a fiberboard, type CF or SF, Each mount, after cleaning and drying, shall be wrappe with a neutral (r.on- corrosive) opaque or tran
16、sparent plastic paper or film which shall be secured by means of pressure-sensitive tape. class weather-resistant, grade W5 or W6 box conforming to PPP-U-636. # 5.1.2 Level g. Mounts shall be individually packaged in a manner which shall insue protection aGt deterioration, physical and mechanical da
17、mage during shipment, from the supply source to the first receiving activity for immediate use. 5.2 Packing. Packing shall be level A, B, or C, as specified (see 6.2). t 5.2.1 Level A. Mounts, preserved-packaged as specified (see 6.21, shall be packec for shipmentznug fitting fiberboard boxes confor
18、ming to any one of the following speci- fications at the option of the contractor. Specification PPP-B- 636 PPP-B-640 Container Class Fiberboard Weather-resis tant Fiberboard, corrugated Class 2 triple wall Selection of the box type, variety, grade and style shall be at the suppliers option. waterpr
19、oofing and reinforcing shall be accomplished by means of pressure-sensitive tapes in accordance with the appendix to the applicable box specification. t 5.2.2 Level 8. Mounts, preserved-packaged as specified (see 6.21, shall be packer, for shipmentznug fitting fiberboard boxes, as specified in 5.2.1
20、, except that the box shall be of the nonweather resistant class. Selection of the box type, variety, grade and style shall be at the suppliers option. I 5.2.3 Level C. Mounts, preserved-packaged as specified (see 6.2), shall be packed in containers acceptable to the common carrier and which shall i
21、nsure safe delivery at destination in a satisfactory condition at the lowest applicable rate. Containers, packing or mcthod of shipnient, shall comply with the Uniform Freight and the National Motor Freight Classification Rules or regulations or other carrier rules, as applicable to the mode o: tran
22、sportation. # 5.3 erking. In addition to any special markings required by the contract or order (see 6.2) , rnterior packages (unit and intermediate) and exterior shipping containers shall be marked in accordance with NIL-STD-129 and the following: Box Interior acka es. complete%+- Each package shal
23、l be marked with the following information MOUNT IDENTIFICATION SPECIFICATION NO. DATE OF MFR. DATE CURED TYPE SHELF LIFE 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-L1qlD 53 m 999990b 0101889 3 MIL-M-17 19 1D (SHIPS) Shi in containers.
24、Each shipping container shall be marked on two adjacent &E% t e follawing information completed: MOUNT IDENTIFICATION SPECIFICATION NO. DATE OF MFR. DATE CURED 6. NOTES vibration isolation. t 6.1 Intended use. Mounfs are intended for use in mounting equipment for noise and # 6.2 Orderinq data. Procu
25、rement documents should specify the following: Title, number, and date of this specification. Mount, number, type, and class of rubber stock required (see 1.2.2). Type of material to be used in the manufacture of metal parts (see 3.2.1 Protective treatment of metal, if other than specified (see 3.2.
26、4). Procurement documents should specify the quality assurance requirements Responsibility for molds (see 4.3.1.3.2 and 4.3-1.3.3). Test conditions (see 4.6.1). Level or preservation-packaging and level of packing required (see 5.1 anc Special marking required (see 5.3). and 3.2.3). (see 4.1.1). 5.2
27、1. t 6.3 With respect to products requiring qualification, awards will be made only for products which are at the time set for opening of bids, qualified for inclusion in appli- cable Qualified Products List QPL 17191 whether or not such products have actually been so listed by that date. The attent
28、ion of the suppliers is called to this requirement, and manufacturers are urged to arrange to have the products that they propose to offer to the Federal Government tested for qualification in order that they may be eligible to be awarded contracts or orders for the products covered by this specific
29、ation. The activity responsible for the Qualified Products List is the Naval Ship Engineering Center, Prince Georges Center, Center Building, Hyattsville, Maryland 20782, and information pertaining to qualificatior. of products may be obtained from that activity. be made in accordance with “Provisio
30、ns Governing Qualification SD-6“ (see 6.4). tion to Commanding Officer, Naval Publications and Forms Center, 5801 Tabor Avenue, Phila- delphia, Pennsylvania 19120, 6.5 Sub-contracted material and arts. The preparation for delivery requirements of referenced documents listed in Section o not apply wh
31、en material and parts are procured by the supplier for incorporation into the equipment and lose their separate identity when the equipment is shipped. document shn-on DD Form 1660: Application for Qualification tests shall # 6.4 Copies of “Provisions Governing Qualification SD-6“ may be obtained up
32、on applica- Ez-h # # 6.6 Mana ement control system document. The following management control system (a) ML-I-4f208 (see 4.1.1). 6.7 CHANGES PREVIOUS ISSUE. THE OUTSIDE MARGINS OF THIS DOCUMENT HAVE BEEN MARICED “#“ TO INDICATE WHERE CHANGES (DELETIONS, ADDITIONS, ETC.) FROM THE PREVIOUS ISSU5 HAVE
33、BEES MADE. THIS HAS BEEN DONE Ac A CONVENIENCE ONLY AND THE GOVERNMENT ASSUMES NO LIABILITY WHATSOEVER FOR ANY INACCURACIES IN THESE NOTATIONS. BIDDERS AND CONTRACTORS AXE CAUTIONED M EVALUATE THE REQUIREMENTS OF THIS DOCUMENT BASED ON THE ENTIRE CONTENT AS WRITTEN IRRESPECTIVE OF THE MARGINAL NOTAT
34、IONS AND RELATIONSHIP TO THE LAST PREVIOUS ISSUE. Preparing activity: Navy - SH (Pro je ct 5 340 -NO 47 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-l(fL-X-17191D (SHIPS 1 IA O (3 t- U 0: E o U O A w 3 n n O 0- O .o e 9 88 24 - O O O O O O O O O
35、 O0 O n O “3 s(Y 8 - ui u (SONnOd) OVO1 HADN3YlS IS31 311VlS . a P U C V rl Q 0) bl c Q) & U 00 U t U o 4 U a u Q 5 e 4 C I Q c 1 t Y) 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- .1 I II 11 / II I II I! Figure 2 - Jig for holding mounts when conducting static load deflection tests in the radial direction. 13 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
