Page 24 of Nylon Insert and All Metal Locknuts by Continental-Aero

MINIATURE NYLON INSERTS CONTINENTAL-AERO 24 1660 Series Continental-Aero ALL METAL, MINIATURE HEX NUTS The bright purple nylon insert identifies Tork Lok Nuts and denotes precision manufacture from the finest materials, to assure top product performance. Look for the Royal Purple Insert *Note: Nut Material Finish: See the list below for material and finish digits to use in place of xx in part numbers above. For the 1st digit, use: 2 If the part is made of low carbon steel 6 If the part is made of aluminum 2011-T3 or equivalent 7 If the part is made of 18/8 stainless steel 9 If the part is made of commercial half-hard brass For the 2nd digit, use: 1 If the finish is zinc 2 If the finish is cadmium 8 If the finish is alodine 9 If the finish is plain EXAMPLE: 22-1660-40 is a #4-40 low carbon steel, cadmium plated miniature hex nut. **Note: TOLERANCES: +.010 Dec.; +.2 Ang., unless other wise specified Note: Thread Sizes: Other thread sizes are available from stock or on application. Locking Insert: Purple nylon, Zytel 101, 250 F Max. Applications: Radio/radar equipment, electronic computers, switches, instruments, and related products where design requires miniaturization and reduced installation clearance in a high quality locknut. Continental- A B C D Aero (Ref) (Ref) Size Part Number Thread Steel Alum. Brass Height Across Across Wrench *See Note See Note St. St. **See Note Flats Corners Pad #0 xx1660-00 0-80 .013 .065 .111-.104 .116 .045 #1 xx1660-12 1-72 .006 .017 .080 .127-.120 .134 .060 #2 .036 .012 .036 .095 .158-.150 .169 .060 #3 .062 .110 .190-.181 .205 .070 #4 .060 .020 .060 .110 .190-.181 .205 .070 xx1660-26 2-56 xx1660-24 2-64 xx1660-38 3-48 xx1660-36 3-56 xx1660-40 4-40 xx1660-48 4-48 Continental- A B C D Aero Weight (Ref) (Ref) Size Part Number Thread Lbs./C Height Across Across Wrench *See Note See Note (Steel) **See Note Flats Corners Pad #2 xxLH1660-26 2-56 .028 .095 .158-.150 .169 .048 #3 xxLH1660-38 3-48 .045 .110 .190-.181 .205 .063 #4 xxLH1660-40 4-40 .045 .110 .190-.181 .205 .063 #5 xxLH1660-50 5-40 .045 .120 .190-.181 .205 .076 #6 xxLH1660-62 6-32 .088 .140 .220-.212 .233 .085 Weight Lbs./C *Note: See inside front cover for parts nomenclature; substitute digits for material and finish in place of xx in part numbers above. **Note: TOLERANCES +.005 Note: Other thread sizes are available from stock or on application. The LH1660 Series is made of stainless steel, type 18-8/303, suitable for application at 900 F with the addition of dry lubricant (molybdenum disulphide). The LH1660 Series is also available in carbon steel suitable for application at 450 F. When ordering for use at higher temperature ranges requiring dry film lubricant, specify prefix RM. Example: RM79LH1660-40. A C B B

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