1、INCH-POUNDMS28783F 25 January 2006SUPERSEDING MS28783E 4 April 1958 DETAIL SPECIFICATION SHEET RING, GASKET, BACK-UP, PTFE Inactive for new design after 18 July 1997This specification sheet is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiri
2、ng the product herein shall consist of this specification sheet and SAE-AS8791. .121.119AS CA R F END CUTS TO BEPA R A LLEL TO c WITHIN .015DIRECTION OF SPIRAL SHALL BERIGHT HAND (CLOCKWISE) AS SHOWNSEEDETAIL AFIGURE 1. RingTHIS SURFACE SHALL BEFLAT WITHIN .01530 5(TYPICAL)ALL SIZES TO HAVE SCARFAS
3、SHOWNDETAIL AENLARGED.250.093.029.025AMSC N/A FSC 530 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS28783F TABLE I. Ring Part Numbers and IDsPART NO. A NOMINALID PART NO. A NOMINAL ID MS28783 -1 1.625 MS28783 -14 3.250 MS28783 -2 1.750 MS28783 -1
4、5 3.375 MS28783 -3 1.875 MS28783 -16 3.500 MS28783 -4 2.000 MS28783 -17 3.625 MS28783 -5 2.125 MS28783 -18 3.750 MS28783 -6 2.250 MS28783 -19 3.875 MS28783 -7 2.375 MS28783 -20 4.000 MS28783 -8 2.500 MS28783 -21 4.125 MS28783 -9 2.625 MS28783 -22 4.250 MS28783 -10 2.750 MS28783 -23 4.375 MS28783 -11
5、 2.875 MS28783 -24 4.500 MS28783 -12 3.000 MS28783-25 4.625MS28783 -13 3.125 TABLE II. Corresponding Ring and O-Ring Part Numbers Ring O-Ring Ring O-Ring MS28783 -1 MS28775 -223 MS28783 -14 MS28775 -236 MS28783 -2 MS28775 -224 MS28783 -15 MS28775 -237 MS28783 -3 MS28775 -225 MS28783 -16 MS28775 -238
6、 MS28783 -4 MS28775 -226 MS28783 -17 MS28775 -239 MS28783 -5 MS28775 -227 MS28783 -18 MS28775 -240 MS28783 -6 MS28775 -228 MS28783 -19 MS28775 -241 MS28783 -7 MS28775 -229 MS28783 -20 MS28775 -242 MS28783 -8 MS28775 -230 MS28783 -21 MS28775 -243 MS28783 -9 MS28775 -231 MS28783 -22 MS28775 -244 MS287
7、83 -10 MS28775 -232 MS28783 -23 MS28775 -245 MS28783 -11 MS28775 -233 MS28783 -24 MS28775 -246 MS28783 -12 MS28775-234 MS28783 -25 MS28775 -247 MS28783 -13 MS28775 -235 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS28783F NOTES: 1. Material: SA
8、E-AS8791. 2. Surfaces must be smooth and free from irregularities. 3. Dimensions in inches. 4. .250 max .093 min gap dimension to be met with ring over a mandrel to nominal ID +.000, -.002. 5. The rings and the corresponding SAE-AS28775 o-ring part numbers are shown in Table II. 6. Coils to be flat
9、and to remain closed within .250 inch total in the free condition. 7. This standard takes precedence over documents referenced herein. 8. Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the chan
10、ges. Custodians: Preparing activity: Army AV DLA IS Navy AS Air Force 99 (Project 5330-2005-006) Review Activities: Army AR, MI Navy MC, SA NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
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