1、This is an advance copy of the dated document. The final document after review by Defense Automated Printing Service may be slightly different in format. Actual technical content will be the same. O10 :o00 1 I INCH-POUND MS21947B 1 O November 1999 SUPERSEDING MS21947A 1 O November 1984 DETAIL SPECIF
2、ICATION SHEET FITTING END,BOLT CLUSTER FITTING SINGLE PORT THROUGH, FLARE This specification is approved for use by all Departments and Agencies of the Department of Defense. A L -B- -c- -“i -F t-: 30“ f .5“ I SEE FITTING STANDARD FOR DRILL 0 AND +. L FITTING END IN ACCORDANCE WITH SAE AS4395 EXCEPT
3、 FOR THREAD LENGTH AND RELIEF FOR APPLICABLE TUBE SIZE. L 0G THRU :o21 45“ f 5“ _ - - THREAD T PER SAE AS8879 094 :O31 FIGURE 1. Fittinq End. SEE FITTING STANDARD FOR HEX SIZE. 1 of 3 AMSC N/A DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited FSC 4730 Provided by IHSNo
4、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS21947B Size Fl041/ Flow 4 Flow 5 Flow 6 Flow 8 Low High High High High TABLE I. Dimensions. Tube Thread O.D. T(Ref) A B C D E F ,4375-20 ,250 UNJF-3A 2.072 1.087 ,726 ,540 ,354 .O60 ,250 UNJF-3A 2.353 1.274 ,891 ,634
5、,377 .O65 ,313 UNJF-3A 2.353 1.274 ,891 ,634 ,377 .O65 ,375 UNJF-3A 2.359 1.274 ,891 ,634 ,377 .O65 ,500 UNJF-3A 2.460 1.274 ,891 ,634 ,377 .O65 ,4375-20 ,5000-20 ,5625-1 8 ,7500-1 6 TABLE I. Dimensions - Continued. - 11 Dimensions for size 4 low flow fittings are constant for all low flow fittings.
6、 REQUIREMENTS: 1. All outside machined surfaces shall be finished to 125 pin Ra Max. except as noted. 2. All inside machined surfaces shall be finished to 250 pin Ra Max. except as noted. 3. “K machined surfaced shall be finished to 16 pin Ra Max. and concentric to each other within .O005 full indic
7、ator movement. 4. “J” and “K diameters, and thread “T” shall be concentric within ,005 full indicator movement. 5. Fittings shall be free from hanging burrs and slivers which might become dislodged under usage. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
8、om IHS-,-,-MS21947B NOTES: 1. Dimensioning and tolerancing: ASME Y14.5 2. Dimensions are in inches. Unless otherwise specified, tolerances: Decimals *O1 O, Angles I.5“. 3. This is a design standard and is not to be used for part numbers. Custodians: Army - AV Navy - AS Air Force - 99 Preparing activity: DLA - CC (Project 4730-1 047) Review activities: Army - Navy - Air Force - 11, 82 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
