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Home » Palnut® Single-Thread U-Nuts
 
Palnut® Single & Multi-Thread U-NutsPalnut® Single-Thread U-Nuts

The Dimensions of the following parts are envelope dimensions only. For complete design information, please request a blueprint from your Tinnerman Palnut representative or the Tinnerman Palnut Engineering Department.


  Part Number Thread No. A Length B Throat C Nut
Width		 D Leg
Width		 H Height P Diameter Q Distance
To Edge		 T Panel
Range
  US818249 8-18 .775-.755 .390-.350 .551-.520 .079 .195-.165 .315 .315 .075-.025
  US818035 8-18 .775-.755 .390-.350 .551-.520 .079 .195-.165 .315 .340 .150-.070
  US420519 8-18 .783-.763 .360-.340 .551-.520 .079 .189-.150 .275 .340 .150-.026
  US420619 8-18 .783-.736 .360-.340 .551-.520 .079 .280-.260 .270 .319 .250-.126
  US420419 8-18 .783-.736 .360-.340 .551-.520 .079 .189-.150 .275 .340 .150-.026
  US420020 8-18 .785-.755 .365-.335 .551-.520 .079 .180-.160 .220 .300 .150-.060
  UG630019 1/4-14 .783-.736 .360-.340 .650-.618 .079 .189-.150 .373 .339 .150-.026
  US254020 1/4-14 .785-.755 .365-.335 .650-.620 .079 .280-.260 .280 .319 .250-.126

Performance Requirements

Thread Size Performance Requirements
Recommended Installation Torque		 Minimum Clamp Load at
Recommended Installation Torque
Inch Max. Inch Pounds Min. Pounds
8-18 19.5 400.2
1/4-14 62 750.9

Palnut® Multi-Thread U-Nuts



Palnut® Single & Multi-Thread U-Nuts

  Part Number ScrewSize A B C D E F G Panel
Hole Dia.
+/- .015		 Panel
Thickness
Range
  LUGS142059 1/4-20 .920 .540 .560 .500 .240 .035 .180 .375 .025-.150
  LUGS561863 5/16-18 .980 .570 .670 .560 .315 .040 .180 .437 .025-.150
  LUGS565763 5/16-18 .980 .570 .670 .560 .315 .040 .220 .437 .050-.200
  LUGS381683 3/18-16 1.290 .730 .930 .700 .370 .050 .230 .562 .050-.200
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