1、AMSC N/A 1 of 2 FSC 3120DISTRIBUTION STATEMENT A. Approve for public release; distribution is unlimited.MS17811B27 March 1996SupersedingMS17811A29 APRIL 1988MILITARY SPECIFICATION SHEETWASHER, THRUST, STEELThis specification is approved for use by all Departmentsand Agencies of the Department of Def
2、ense.The requirements for acquiring the product described herein shall consistof this specification sheet and the issue of the following specification listedin that issue of the Department of Defense Index of Specifications andStandards (DoDISS) specified in the solicitation: NONE.Table I. Dash numb
3、ers and dimensions.Dash NumberAInside Diameter+.005-.000BOutside Diameter.005CThickness.002-0 .188 .500 .051-1 .252 .500 .094-2 .314 .625 .062-3 .314 .625 .125-4 .377 .625 .062-5 .377 .625 .125-6 .439 .875 .062-7 .439 .875 .156-8 .502 .750 .062-8A .502 1.000 .187-9 .502 1.125 .062-10 .564 1.375 .187
4、11 .627 1.250 .094-12 .627 1.375 .187-13 .627 1.500 .187-14 .690 1.344 .187-15 .752 1.000 .156-16 .752 1.625 .125-17 .877 2.000 .125B Entire document revisedINCH-POUNDProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS17811A2Table I. Dash numbers and
5、 dimensions. (Continued)Dash NumberAInside Diameter+.005-.000BOutside Diameter.005CThickness.002-18 .877 2.250 .187-19 1.002 1.562 .1251/ -20 1.002 2.000 .125-27 1.502 3.000 .156-28 1.502 3.250 .156-29 1.627 2.968 .250-30 1.752 3.094 .2501/ Dash number 20 is inactive for new design.Requirements:1. M
6、ATERIAL: Carbon steel, AISI 1020.2. SURFACE ROUGHNESS: Surface roughness shall be in accordance with ANSI/ASME B46.1. Surfacesmarked with are to have a surface roughness of 16 on sizes up to and including -9, and 32 on sizes -10 andlarger. All other surfaces are to be 125 .3. HEAT TREATMENT: Case ha
7、rdened to a minimum case depth of .015 inch. Minimum hardness shall beRockwell 58 HRc.4. WORKMANSHIP: All edges on sizes up to and including .125 inch thick shall not be less than .005 inch ormore than .015 inch radius. On thicker sizes radius shall be .01 to .03 inch.5. APPLICATION: Washer, thrust
8、is designed primarily for supporting a load acting against a bearing taking anend thrust. This part is not to be confused with washer, flat, plain.6. PART NUMBER: The MS part number is the basic MS number plus a dash number taken from the table.Example MS17811-12.NOTES:1. Dimension are in inches unl
9、ess otherwise specified.2. Interpret drawing in accordance with ASME Y14.5M.3. In the event of a conflict between the text of this document and the references cited herein, the text of thisdocument shall take precedence.4. Unless otherwise specified, issues of referenced documents are those in effect at the time of solicitation.Military Interests:Custodians: Preparing activity:Army - AT DLA - ISNavy - OS(Project 3120-0772)Reviewer:Army - ME, MINavy - ASProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
