Dunbar 3635 Mil-Spec QPL Approved 3:1 Heat Shrink tubing

Dunbar® 3635 Mil-Spec Approved 3:1 Polyolefin Heat Shrink Tubing Spools


  • 3:1 Shrink Ratio (shrinks to 1/3 its original diameter)
  • SAE AS23053/5 Class 4 (formerly AMS-DTL-23053/5) 
  • UL 224 VW-1, 600V, 125°C (File Number: E319303, except Clear)
  • ROHS and REACH Compliant
  • Maximum Continuous use temperature 135C
  • Shrink Temperature of 100°C and operating temperature of -55°C to + 135°C
  • Crosses to : Sumitomo B2(3X), Raychem RNF-3000, Alpha FIT-321V, Canusa CPX-300, LG GSHS-3635
  • Typical applications include: Insulation, Wire Identification, Wire Bundling, Mechanical Protection, Color Coding, Lightweight Harnessing, Physical/Electrical Protection of Components, Strain Relief, and Solder Insulation.
  • Great Replacement for Heat shrink on Summit Climbing Treestands - choose the 3/4" diameter 3:1 heat shrink option below. Stay safe by ensuring your climbing treestand is secure with BuyHeatShrink top quality heat shrink!
  • This product has a 1 week lead time
  • NOTE – This is a QPL (Qualified Products List) Approved product which not only meets the requirements of what’s formerly known as AMS-DTL-23053/5, but it is certified to the new SAE AS23053/5 Standard. 

    For a lower cost 3:1 heat shrink product that also meets, but is not certified to this standard, click here

Diameter Mil Specification #ID Before ShrinkID After ShrinkWall After Shrink Flat Width Buy
1/16" AS23053/5-4010.06"0.021"0.018"1/8
500 FT/SPOOL $168.30
3/32" AS23053/5-4020.09"0.03"0.018"1/8"
500 FT/SPOOL $187.00
1/8" AS23053/5-4030.118"0.039"0.022"3/16"
500 FT/SPOOL $235.40
3/16" AS23053/5-4040.177"0.059"0.022"5/16"
250 FT/SPOOL $132.55
1/4" AS23053/5-4050.236"0.078"0.026"3/8"
250 FT/SPOOL $167.20
3/8" AS23053/5-4060.354"0.118"0.03"9/16"
200 FT/SPOOL $157.96
1/2" AS23053/5-4070.472"0.157"0.03"13/16"
200 FT/SPOOL $211.64
3/4" AS23053/5-4080.709"0.236"0.033"1-3/16"
100 FT/SPOOL $158.62
1" AS23053/5-4090.944"0.315"0.039"1-9/16"
100 FT/SPOOL $201.52
1-1/2" AS23053/5-4101.534"0.512"0.045"2-3/8"
100 FT/SPOOL $383.24
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