Leakproof Threaded Hollow Plugs

These threaded fittings are an excellent choice to use for many standard piping and tubing applications.

  • Black nylon, natural polypropylene, or natural Kynar®
  • Nylon has good tensile strength for general applications
  • PP has good chemical resistance
  • Kynar® has good chemical & abrasion resistance
  • Kynar® is UV & ozone resistant
  • PFAS-free; Kynar® is BPA-free
  • Maximum pressure @ 70°F: 150 psi (nylon), 125 psi (PP) & 260 psi (Kynar®)
  • Temperature range: -50°F to 275°F (nylon), -9°F to 150°F (PP) & -80°F to 226°F (Kynar®)
  • Meets FDA standards; PP & Kynar® meet USP Class VI standards
  • Nylon is NSF 51 listed & Kynar® is NSF 51 & 61 listed
Item # Description Catalog Pg. Price Add to Cart
1/4-28 UNF Black Nylon Threaded Plug
Item 68153
0.45/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.45/Each
10-32 UNF Black Nylon Threaded Plug
Item 68148
0.32/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.32/Each
1/8" NPT Black Nylon Threaded Plug
Item 64715
0.63/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.63/Each
1/4" NPT Black Nylon Threaded Plug
Item 64716
0.77/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.77/Each
3/8" NPT Black Nylon Threaded Plug
Item 64717
0.62/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.62/Each
1/2" NPT Black Nylon Threaded Plug
Item 64718
0.93/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.93/Each
3/4" NPT Black Nylon Threaded Plug
Item 64719
1.18/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
1.18/Each
1" NPT Black Nylon Threaded Plug
Item 64720
0.94/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.94/Each
10-32 UNF Natural Polypropylene Threaded Plug
Item 68150
0.39/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.39/Each
1/4-28 UNF Natural Polypropylene Threaded Plug
Item 68158
0.39/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.39/Each
1/8" NPT Natural Polypropylene Threaded Plug
Item 64724
0.71/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.71/Each
1/4" NPT Natural Polypropylene Threaded Plug
Item 64725
0.98/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.98/Each
3/8" NPT Natural Polypropylene Threaded Plug
Item 64726
0.69/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.69/Each
1/2" NPT Natural Polypropylene Threaded Plug
Item 64727
0.75/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.75/Each
3/4" NPT Natural Polypropylene Threaded Plug
Item 64728
0.84/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.84/Each
1" NPT Natural Polypropylene Threaded Plug
Item 64729
0.93/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.93/Each
10-32 UNF Natural Kynar® PVDF Threaded Plug
Item 68149
0.68/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.68/Each
1/4-28 UNF Natural Kynar® PVDF Threaded Plug
Item 68156
0.94/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
0.94/Each
1/8" NPT Natural Kynar® PVDF Threaded Plug
Item 64733
3.28/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
3.28/Each
1/4" NPT Natural Kynar® PVDF Threaded Plug
Item 64734
2.35/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
2.35/Each
3/8" NPT Natural Kynar® PVDF Threaded Plug
Item 64735
2.83/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
2.83/Each
1/2" NPT Natural Kynar® PVDF Threaded Plug
Item 64736
3.18/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
3.18/Each
3/4" NPT Natural Kynar® PVDF Threaded Plug
Item 64737
4.01/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
4.01/Each
1" NPT Natural Kynar® PVDF Threaded Plug
Item 64738
4.59/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-251
4.59/Each