1、INCH-POUNDMS33740C18 October 1999SUPERSEDINGMS33740 REV B03 September 1985DETAIL SPECIFICATION SHEETNIPPLE, PNEUMATIC STARTING, 3 INCH IDThis specification is approved for use by all Departments and Agenciesof the Department of Defense.REQUIREMENTS:1. Material: Bar : Corrosion resistant steel (18-8)
2、 Comp FM, AISI Type No. 303, SAE-AMS-S-7720.Casting: Corrosion resistant steel (18-8) Type No. 303. . Passivate per QQ-P-35 after machining.2. All outside surfaces shall be finished to 125 in R a . Surface finish shall be in accordance withASME B46.1.3. Unless otherwise specified, all fillets to be
3、.020 radius.4. Porosity Test : Finished castings shall not leak when subjected to 100 PSI air pressure andsubmerged in water for 3 minutes.5. Remove burrs and break sharp edges ; .015 Max.6. Installation: When installed, space surrounding the nipple shall be free of any obstruction as shown inFigure
4、 2.NOTES:1. Dimensions in inches. Unless otherwise specified, tolerances : Decimals .010, Angles .2. Certain provisions of this specification are the subject of international standardization agreementNATO STANAG 3372. When amendment revision, or cancellation of this specification is proposedwhich wi
5、ll modify the international agreement concerned, the preparing activity will take appropriateaction through international standardization channels, including departmental standardization offices, tochange the agreement or make other appropriate accommodations.1 of 4AMSC N/A FSC 4730DISTRIBUTION STAT
6、EMENT A . Approved for public release; distribution is unlimited.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS33740C2GAGE POINT3.300 .003 GAGER .060R .035 .005.040 R 37 23715 215 2DESIGN OPTIONAL BEYOND THIS LINESECTIONAL VIEW3.461 +.000 -.0053.
7、207 +.000 -.0052.920 +.030 -.0003.100 .0033.344 .0033.400 .003.060(.512)1.050 .375.2002.62530(1.050) 1.125 .003(.512) .474 .003MINIMUM LENGTH TO INSURE COUPLING CONNECTION. INCREASE LENGTH TO PROVIDE CLEARANCE WHEN CONNECTIONS SUCH AS BOLTED FLANGES ARE USED.1 47 0 15A.002A .002A .002A.002AFIGURE 1.
8、 Nipple, pneumatic starting, 3 inch ID .Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS33740C3( 6.000 MIN)7.000 MINR 5.500 MIN(11.000 MIN) 6.000 MIN8.250 MAX3.000 MAXNIPPLE, SEE FIGURE 1DESIGN OPTION LINE, SEE FIGURE 1FIGURE 2. Minimum clearance s
9、pace for ground equipment connectorProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS33740C4Custodians: Preparing activity:Air Force - 99 DLA - CCNavy - ASDLA - CC (Project 4730-0094)Review activity:Air Force - 82Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
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