Kinsler_Handbook_#32 December 2017

188 Kinsler Fuel Injection, Inc, 1834 THUNDERBIRD TROY, MICHIGAN 48084 U.S.A. www.Kinsler.com Phone (248) 362-1145 Fax (248) 362-1032 FITTINGS SIZES STAINLESS STEEL SAFETY WIRE Available in a one pound spool with a choice of three wire diameter sizes. The wire is coiled inside the can and pulls from the center to provide easy access. SAFETY WIRE Safety wire is commonly used to provide additional security so that a bolt or nut can’t back off. It has many other uses: holding something up, holding something out of the way, holding two things together, anywhere wire can be used. HOW TO USE SAFETY WIRE To secure a nut or bolt so it doesn’t come loose, drill a diagonal hole through a point of the nut or bolt. Install wire through hole. Bring wire together, measure wire to an item being used as an anchor point, wire must be cut longer than this distance, when twisted length will shorten up. Anchor point must be in the OPPOSITE direct of the rotation of the nut or bolt, otherwise the bolt/nut may rotate half to a full turn before the safety wire tightens up. The anchor point for the other end of the safety wire must be further ahead, in direction of tightening rotation, of the nut or bolt head. We recommend that the anchor point is located about 90 0 or more ahead of the item being secured. © 2017 “AN” ( A rmy- N avy) sizes were established by the Aerospace industry years ago. This was done to standardize the industry. Any 10 AN hose end will thread onto any 10 AN fitting. HOWEVER, this does not mean that all the inside diameters (I.D.) have been standardized. Check the I.D. of any hose and/or fittings that is going to be used. For example: a 6 AN teflon hose has a much smaller I.D. than a common 6 AN stainless steel braided hose. This is true on hydraulic fittings, hose, and hose ends; they are designed to handle much higher pressures and have thicker side walls which reduces the inside diameter. AN fittings seal by the 37 o flare or by using an o-ring or washer o-ring. AN N ational P ipe T hread: is based on the inside diameter of the heavy wall pipe that plumbers originally used which received the male thread. The tapered male and female thread makes measurement difficult. This taper creates an interfere between the male and female pieces creating the seal. A sealant/lubricant should be applied before installation to assure sealing and future removal. NPT METRIC Fittings are measured by the diameter across the crowns of the male thread or the valleys of the female thread and the second number is the distance between the crowns of the threads or the valleys. Metric thread is straight. The fittings typically seal with an o-ring or more commonly with a washer o-ring. AN Number 3 4 6 8 10 12 16 20 24 32 Thread Size 3/8 - 24 7/16 - 20 9/16 - 18 3/4 - 16 7/8 -14 1 1/16 - 12 1 5/16 - 12 1 5/8 - 12 1 7/8 - 12 2 1/2 - 12 Nominal Thread O.D. .372” .431” .560” .745” .870” 1.055” 1.308” 1.620” 1.870” 2.495” Pipe Thread Size 1/16” 1/8” 1/4” 3/8” 1/2” 3/4” 1 1/4” 1 1/2” 2” Threads per Inch 27 27 18 18 14 14 11 1/2 11 1/2 11 1/2 BSP 1/16” 1/8” 1/4” 3/8” 1/2” Nomial O.D. x Threand/Inch .304” x 28 .383” x 28 .518” x 19 .656” x 19 .825” x 14 BSP B ritish S tandard P ipe is a straight thread. BSP uses a washer o-ring or a crush washer for sealing. Lucas mechanical fuel injection equipment generally require these fittings. Metric 10mm x 1.5 12mm x 1.5 14mm x 1.5 16mm x 1.5 18mm x 1.5 20mm x 1.5 Diameter x Thread/Inch .394” x .059” .472” x .059” .551” x .059” .630” x .059” .709” x .059” .787” x .059” 1906 Safety wire spool, .025" diameter wire 1907 Safety wire spool, .032" diameter wire 1908 Safety wire spool, .041" diameter wire 1909 Drill fixture, to drill safety wire hole in hex fastners SAFETY WIRE DRILL FIXTURE SAFETY WIRE PLIERS Fast and easy way to twist safety wire. These pliers are actually three tools in one - pliers, wire twisters, and cutters. 1905 Safety wire pliers

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