Heyco Bushings and Grommet Threaded Insulating Bushings
  • Material: Fire Retardant Polypropylene (* 6/6 Nylon)
  • Converts raw-edge pipe ends with NPT threads to smooth insulated ends.
  • Insulates and mechanically protects lamp cords, other electrical and communications cables, tubing, hose, rope and utility lines.
  • Available in multiple sizes for use on 1/8" to 2" NPT pipe.
 
Heyco® Threaded Insulating Bushings
Trade
Size NPT		 Part Number Description Part Dimensions
Color A
Inside
Diameter		 B
Head
Diameter		 C
Overall
Height
Black Gray in. mm. in. mm. in. mm.
1/8 2282 – IB-1/8 *   .268   6,8   .530 13,4 .296   7,6
1/2 – 2270 IB-1/2 FR   .600 15,2 1.030 26,2 .375   9,5
3/4 – 2271 IB-3/4 FR   .796 20,2 1.280 32,5 .418 10,6
1 – 2272 IB-1 FR 1.010 25,7 1.520 38,6 .560 14,2
1-1/14 – 2273 IB-1-1/4 FR 1.325 33,7 1.900 48,3
1-1/2 – 2274 IB-1-1/2 FR 1.550 39,4 2.180 55,4
2 – 2275 IB-2 FR 2.000 50,8 2.680 68,1 .610 15,5
* 6/6 Nylon Tolerance: +/- .015"