SAE ARP 572-1957 Elbow Assembly- Shielded Spark Plug- 750-20 Thread《750-20螺纹屏蔽火花塞弯头总成》.pdf

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1、SAE ARP*572 57 83573LiO 00285LiO 2 k35-/57 . AERONAUTICAL RECOMMENDED PRACTICE SOCIETV OF AUTOMOTIVE ENGINEERS, Inc. 485 LEXINGTON AVENUE NEW YORK 17, N,Y. ARP 572 lUusd 8-15-57 Revised ELBOW ASSEMBLY - SHIELDED SPARK PLUG - .756-20 THREAD 5 MEDIUM STRAIGHT KN 35- 39 WITH OF WORK 30- TEETH PER IN. M

2、EDIUM STRAIGHT KNURL - 30-35 TEETH PER INCH I ALTERNATE CONSTRUCTIONS FOR STAINLESS STEEL PARTS LAD 3875-24 NEE-BA 71 1 ONLY NUT SHALL SWIVEL FREELY ABOUT ELBOW ARP NO. ARP NO. B i .O3 c+ 5. CADMIUM PLATE 572- I 572-4 672-2 572-5 572-3 572-6 .BO 90 WEIGHT: OJ PWND MAX. REWVE ALL BURRS Am SHARP EMS.

3、MMENSKHIS IN WHES, UNLESS OTHERWISE SPECIFIED. TOLERANCES: TWO PLACE DECIMALS ? .020, FOR ALTERNATE CONSTRUCTION ONLY: ALL DIMENSIONS APPLICABLE BEFORE KNURLING .O10 MAX. FLAT ON CREST OF KNURL TOOTH. OEPTH OF KNURLED TEETH TO BE .010-.015 AT CREST. THREE PLACE DECIMALS f. .OlO. ANGLES i 5: KNURL DOUBLING PERYISSIELE. t Ow ADNIUY PLATED PART5, DIYEN5IOW5 APPLY AFTER PUTINB. PRFPARRD BY SdE IGNITION RESELXH COMMITTEE Prlntod In U. 5. A.