TH Gland Cap (Head Nut)

  • Material: 1026 CDS (Cold Drawn Seamless Mechanical Tubing)
  • Retains TH Head to Case (Barrel, Body, Main). Retained with TH Gland Cap
Bore +003″ – .003″ F G H J Thread K L Part Number
2.000 1.12 0.88 0.69 2-3/8″-12 UN-2B 1.81 3.00 HC70074
2.500 1.12 0.88 0.69 2-7/8″-12 UN-2B 2.31 3.50 HC70075
3.000 1.38 1.00 0.75 3-1/2″-12 UN-2B 2.63 4.00 HC70008
3.500 1.38 1.00 0.75 4″-12 UN-2B 3.12 4.50 HC70009
4.000 1.38 1.00 0.75 4-1/2″-12 UN-2B 3.62 5.00 HC70034
4.500 1.38 1.00 0.75 5″-12 UN-2B 4.12 5.50 HC70277
5.000 1.38 1.00 0.75 5-1/2″-12 UN-2B 4.62 6.25 HC70040
5.500 1.38 1.00 0.75 6″-12 UN-2B 5.12 6.75 HC70140
6.000 1.38 1.00 0.75 6-5/8″-12 UN-2B 5.62 7.50 HC70044
7.000 2.00 1.38 1.12 7-7/8″-12 UN-2B 6.12 9.00 HC70174
8.000 2.00 1.38 1.12 8-7/8″-12 UN-2B 7.12 10.00 HC70132

TH Gland Cap Thread Technical Information

Bore +.003″ -.003″ M N – Thread Major Diameter Pitch Diameter
2.000 0.81 2-3/8″-12 UN-2A 2.3731 / 2.3617 2.3191 / 2.3128
2.500 0.81 2-7/8″-12 UN-2A 2.8731 / 2.8617 2.8191 / 2.8127
3.000 1.00 3-1/2″-12 UN-2A 3.4981 / 3.4867 3.4440 / 3.4376
3.500 1.00 4″-12 UN-2A 3.9980 / 3.9866 3.9439 / 3.9374
4.000 1.00 4-1/2″-12  UN-2A 4.4980 / 4.4866 4.4439 / 4.4374
4.500 1.00  5″-12 UN-2A 4.9980 / 4.9866 4.9439 / 4.9372
5.000 1.00 5-1/2″-12 UN-2A 5.4980 / 5.4866 5.4439 / 5.4372
5.500 1.00 6″-12 UN-2A 5.9979 / 5.9865 5.9438 / 5.9369
6.000 1.00 6-5/8″-12 UN-2A 6.6229 / 6.6115 6.5688 / 6.5619
7.000 1.25 7-7/8″-12 UN-2A 7.8729 / 7.8615 7.8188 / 7.8119
8.000 1.25 8-7/8″-12 UN-2A 8.8729 / 8.8615 8.8188 / 8.8119