DLA MS27128 REV D-1976 NUT WELDING-PILOT《指导的熔结螺母》.pdf

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1、ROUND MAX. ENVELOPE DIMENSION +El- “- HEXAGON ACCEPTABLE LUG DESIGNS SQUARE I 5310 .750 ,750 .750 6 24 42 7 25 43 ij16 i:!/ 18 20 .750 8 26 44 5/16 -312 .795 9 27 45 3/5 18 .795 10 28 46 3/8 .375 16 .E84 16 .E84 m lgz /:%I 13 31 14 32 14 14 1 .O60 1 .O60 .soo 13 .soo 1.149 13 9/16 .S62 1.149 12 1.23

2、7 C THICKNESS wu .197 -197 .260 .260 .260 .260 ,229 .229 .330 ,330 ,322 .322 .385 ,385 .447 .S70 .447 .S70 PROJECTION HEIGHT PILOT 1 LEFSCH D E nAx .O49 .O67 ,049 .o99 .O49 .O67 .O49 .O49 .O67 .c199 .O49 I .O70 .O49 .o99 .O49 .o99 .O49 .49 .O49 .09Y PILOT F I LOAD PROOF DIAMETER POULDS .406 .406 970

3、 970 .do6 1200 .406 1200 ,406 2200 .406 .469 2 200 .469 3600 ,531 3600 .531 5350 5350 ,656 7 350 .656 ,719 7350 ,719 9800 .781 12600 9800 NOTES: 1. MATERI Federal Standard No. 66, AISI 1005 thru 1020, AISI 1106 thm 1110. 2. PROTECTIVE COATING: Uncoated. 3. THREADS: Threads shall be in accordance wit

4、h %rev-Thread Standards for Federal Services, Handbook H-25. 4. DIWENSIONS: Dimensions are in inches unless othervise specified. 5. TOLERANCE: Bearing surface shall be at right angles to thread axis within 3O. outside diameter and to the depth of the ilot. be concentric within .OOP inches. Pilot may

5、 be chamfered at end on the inside diameter to within .O32 inch of the Concentricity of the outside diameter of de pilot and the threaded section shall 6. PART NUMBER: The WS part number consists of the WS number, plus the dash number, Example : IS27128-1. 7. Referenced documents shall be of the iss

6、ue in effect on date of invitations for bid. 8. Por design feature purposes, this standard takes precedence over procurement documents ref- a erenced herein. *US. GOVERNMENT PRINTING OFFICE: 1976 )03-?Y:LUl o Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-