Loom-&-Loom-Clamps > Loom-Clips-&-Connectors

Strain Relief Cord Connectors - NPT Flex Type

Wire Strain Relief Connector

Secure and protect your connections with a wire strain relief connector. These connectors are designed to secure a power supply cord to a piece of electrical equipment. With a liquid-tight seal, the wire strain relief connector securely protects the connected end of the wire. The flexible coil design of the wire strain relief connector greatly reduces wire stress at the connection point, to keep your connection healthy and lasting. This flexible body also helps prevent any cable kinking that could compromise your connection. Manufactured with nylon and a TPE gland seal, the wire strain relief connector protects from dust, salt, water, weak acids, alcohol, gas, minerals, and other oils. Easily create a secure, flexible, and long lasting connection with a wire strain relief cord connector from Del City.


  • Internationally approved: UL #E51579, CSA #93876C, IP 68.
  • Liquid tight, optimum seal connector with vibration proof protection (up to 70 psi).
  • Resistant to salt water, weak alkalis, alcohol, gasoline, grease, and common solvents.
  • Working Temperature: -4° F(-20°C) to 212°F (100°C).
  • Locknuts not included.
  • NPT Flex Type Connector Specs

Item Description Price
1+ I 500+ I 1000+
Qty in
Package 		In Stock Add to Cart
2738 Strain Relief Cord Connectors - 3/8" (.181" - .312") - Flex (1 MIN)
2.20500 I 1.58400 I 1.28300
1 EA ✓
2712 Strain Relief Cord Connectors - 1/2" (.170" - .470") - Flex (1 MIN)
2.85700 I 2.04900 I 1.60400
1 EA ✓
3712 Strain Relief Cord Connectors - 1/2" (.230" - .546") - Flex (1 MIN)
2.85700 I 2.04900 I 1.60400
1 EA Call
3734 Strain Relief Cord Connectors - 3/4" (.250" - .485") - Flex (1 MIN)
5.28900 I 3.72600 I 3.04300
1 EA ✓
2734 Strain Relief Cord Connectors - 3/4" (.450" - .709") - Flex (1 MIN)
5.28900 I 3.72600 I 3.04300
1 EA ✓

Strain Relief Power Cord Connectors - STD NPT Thread

Power Cord Strain Relief Connector - STD NPT Thread

Power cord strain relief connectors have a STD NPT thread and is designed to secure a power supply cord to a piece of electrical equipment. This power cord strain relief connector provides a liquid-tight seal on the power cord entry and reduces wire stress at connection point.


  • Liquid tight strain relief cord connectors feature vibration proof protection (up to 70 psi) and an optimum seal.
  • Internationally approved: UL #E51579, CSA #93876C, IP 68
  • Dust protection and resistant to salt water, weak alkalis, alcohol, gasoline, grease, and common solvents.
  • Standard dome nut for strain relief only.
  • Working Temperature: -4° F(-20°C) to 212°F (100°C).
  • NPT nut required. (not included)
  • STD NPT Thread Dims
Item Description Price
1+ I 500+ I 1000+
Qty in
Package 		In Stock Add to Cart
3614 Strain Relief Cord Connectors - 1/4" (.065" - .210") - NPT (1 MIN)
1.66600 I 1.29400 I 1.06600
1 EA ✓
3014 Strain Relief Cord Connectors - 1/4" (.115" - .250") - NPT (1 MIN)
1.66600 I 1.29400 I 1.06600
1 EA ✓
3638 Strain Relief Cord Connectors - 3/8" (.069" - .187") - NPT (1 MIN)
1.72800 I 1.34600 I 1.03200
1 EA ✓
2638 Strain Relief Cord Connectors - 3/8" (.115" - .312") - NPT (1 MIN)
1.72800 I 1.34600 I 1.03200
1 EA ✓
2612 Strain Relief Cord Connectors - 1/2" (.170" - .450") - NPT (1 MIN)
2.21500 I 1.67700 I 1.29400
1 EA ✓
3612 Strain Relief Cord Connectors - 1/2" (.230" - .546") - NPT (1 MIN)
2.21500 I 1.67700 I 1.29400
1 EA ✓
3634 Strain Relief Cord Connectors - 3/4" (.250" - .485") - NPT (1 MIN)
3.18800 I 2.29800 I 1.77
1 EA ✓
2634DL Strain Relief Cord Connectors - 3/4" (.450" - .709") - NPT (1 MIN)
3.18800 I 2.29800 I 1.77
1 EA ✓
3001 Strain Relief Cord Connectors - 1" (.490" - .785") - NPT (1 MIN)
7.36900 I 5.56800 I 4.52300
1 EA ✓
2601 Strain Relief Cord Connectors - 1" (.590" - 1.00") - NPT (1 MIN)
7.36900 I 5.56800 I 4.52300
1 EA ✓
3644 Strain Relief Cord Connectors - 1-1/4" (.787" - 1.020") - NPT (1 MIN)
11.56100 I 9.43900 I 7.84500
1 EA ✓
2644 Strain Relief Cord Connectors - 1-1/4" (.865" - 1.260") - NPT (1 MIN)
11.56100 I 9.43900 I 7.84500
1 EA ✓

Strain Relief Cord Connector Nuts - NPT

NPT Strain Relief Cord Connector Nut

This NPT strain relief cord connector nut is required for use on STD NPT strain relief cord connectors. This locking nut completes the connection of a STD NPT cord connector to a power cord, providing a liquid-tight seal that prevents moisture or any other damaging liquid from ruining the power cord connection.


  • NPT nut required for use on Std NPT Thread Strain Relief Cord Connector.
  • Std NPT Thread internationally approved: UL #E79903, CSA #LR50370-10, VDE #57986, SEV #100989
  • Working Temperature: -22° F(-30°C) to 221°F (105°C).
  • NPT Nuts Connector Specs
Item Description Price
1+ I 500+ I 1000+
Qty in
Package 		In Stock Add to Cart
2615 NPT Locking Nut, 1/4" (1 MIN)
0.48800 I 0.29700 I 0.22800
1 EA ✓
2639 NPT Locking Nut, 3/8" (1 MIN)
0.63300 I 0.43900 I 0.34800
1 EA ✓
2613 NPT Locking Nut, 1/2" (1 MIN)
0.57700 I 0.38 I 0.27200
1 EA ✓
2635 NPT Locking Nut, 3/4" (1 MIN)
0.82300 I 0.61700 I 0.47800
1 EA ✓
2602DL NPT Locking Nut, 1" (1 MIN)
1.82200 I 1.50100 I 1.22100
1 EA ✓
2645 NPT Locking Nut, 1-1/4" (1 MIN)
2.15300 I 1.61500 I 1.29400
1 EA ✓

Strain Relief Cord Connectors - PG Flex Type

PG Flex Type Strain Relief Connector

The flexible strain relief cord connector is unique because it features a partially flexible body that helps prevent cable kinking and sharp bends which extends cable life. It is recommended to use the cordgrip with the smallest maximum diameter that will fit your application. Flamability Rating: 94V-2.


  • Liquid tight strain relief cord connectors feature vibration proof protection (up to 70 psi) and an optimum seal.
  • Internationally approved: UL #E51579, CSA #93876C, IP 68.
  • Resistant to salt water, weak acids, alcohol, gasoline, oil, grease, and common solvents.
  • PG hub threads are steel conduit threads per DIN 40430.
  • Working Temperature: -4° F(-20°C) to 212°F (100°C).
  • Unassembled Nylon Locknut INCLUDED.
  • PG Flex Type Connector Specs
Item Description Price
1+ I 500+ I 1000+
Qty in
Package 		In Stock Add to Cart
2751 Strain Relief Cord Connectors - PG 7 Flex (.114" - .250") (1 MIN)
2.66 I 1.99800 I 1.58400
1 EA ✓
2750 Strain Relief Cord Connectors - PG 9 Flex (.181" - .312") (1 MIN)
2.53600 I 1.89400 I 1.51100
1 EA ✓
2753 Strain Relief Cord Connectors - PG 13.5 Flex (.170" - .450") (1 MIN)
3.32200 I 2.50500 I 1.98700
1 EA ✓
2756 Strain Relief Cord Connectors - PG 21 Flex (.450" - .709") (1 MIN)
5.41300 I 4.04700 I 3.25
1 EA ✓

Strain Relief Power Cord Connectors - STD PG Thread

Power Cord Strain Relief Connector - STD PG Thread

These power cord strain relief connectors have a STD PG thread and is designed to secure a power supply cord to a piece of electrical equipment. The STD PG thread cable strain relief provides a liquid-tight seal on the power cord entry and reduces wire stress at connection point.


  • Liquid tight strain relief cord connectors feature vibration proof protection (up to 70 psi) and an optimum seal.
  • Std PG Thread 6/6 Nylon w/ TPE gland. UL listed under #E-51579, CSA #LR-93876.
  • Resistant to salt water, weak alkalis, alcohol, gasoline, grease, and common solvents.
  • Standard dome nut for strain relief only.
  • Working Temperature: -4° F(-20°C) to 212°F (100°C).
  • Unassembled Nylon Locknut INCLUDED.
  • STD PG Thread Connector Specs
Item Description Price
1+ I 500+ I 1000+
Qty in
Package 		In Stock Add to Cart
3651 Strain Relief Cord Connectors - PG 7 (.064" - .210") (1 MIN)
1.65600 I 1.24200 I 0.98900
1 EA ✓
3650 Strain Relief Cord Connectors - PG 9 (.069" - .187") (1 MIN)
1.81100 I 1.44900 I 1.08700
1 EA ✓
2650 Strain Relief Cord Connectors - PG 9 (.181"- .312") (1 MIN)
1.81100 I 1.44900 I 1.08700
1 EA ✓
3652 Strain Relief Cord Connectors - PG 11 (.069" - .260") (1 MIN)
2.15300 I 1.61500 I 1.28300
1 EA ✓
2652 Strain Relief Cord Connectors - PG 11 (.230" - .395") (1 MIN)
2.15300 I 1.61500 I 1.28300
1 EA ✓
2653 Strain Relief Cord Connectors - PG 13.5 (.170"- .450") (1 MIN)
2.38100 I 1.89400 I 1.44900
1 EA ✓
2654 Strain Relief Cord Connectors - PG 16 (.230" - .546") (1 MIN)
2.83600 I 2.11100 I 1.69700
1 EA ✓
3656 Strain Relief Cord Connectors - PG 21 (.250" - .485") (1 MIN)
3.31200 I 2.78400 I 2.21500
1 EA ✓
2656 Strain Relief Cord Connectors - PG 21 (.450"- .709") (1 MIN)
3.31200 I 2.78400 I 2.21500
1 EA ✓
2659 Strain Relief Cord Connectors - PG 29 (.590"- .990") (1 MIN)
5.81700 I 4.85400 I 4.00500
1 EA ✓

Strain Relief Cord Connectors - Sealing Washer

Sealing Washer

Nylon 6/6 sealing washers will provide a liquid tight, dust tight, and oil tight seal at the enclosure. Washers are ideal for wet locations that require a separate gasket between the box and fitting. The washer will aso make your connector suitable for several other panel sealing applications. The washer is easy to install, and it has special double sealing ridges to compensate for minor unevenness at the enclosure. Flammability Rating: 94V-2.


Item Description Price
1+ I 500+ I 1000+
Qty in
Package 		In Stock Add to Cart
3615 Strain Relief Cord Sealing Washer, 1/4" (1 MIN)
1.52100 I 1.13900 I 0.91300
1 EA ✓
3639 Strain Relief Cord Sealing Washer, 3/8" (1 MIN)
1.48 I 1.10700 I 0.88
1 EA ✓
3613 Strain Relief Cord Sealing Washer, 1/2" (1 MIN)
1.18 I 0.90200 I 0.70600
1 EA ✓
3635 Strain Relief Cord Sealing Washer, 3/4" (1 MIN)
1.34600 I 1.01100 I 0.80400
1 EA ✓
3602 Strain Relief Cord Sealing Washer, 1" (1 MIN)
2.45300 I 1.84200 I 1.47
1 EA ✓
3645 Strain Relief Cord Sealing Washer, 1-1/4" (1 MIN)
2.15300 I 1.61500 I 1.29400
1 EA ✓
Prop65 Warning