Have a small number of parts or want to add parts manually? Request Quote manually

Search across all market segments

3401 Heyco 3401 is a PG 21 threaded hole plug made of Nylon 6/6 in gray color. It provides a liquid-tight seal up to 70 psi and is IP68 rated.
Mfr Part #:

3401

Available from 2 distributors
Mfr Name: Heyco Products Corporation
Heyco Products Corporation
Heyco 3401 is a PG 21 threaded hole plug made of Nylon 6/6 in gray color. It provides a liquid-tight seal up to 70 psi and is IP68 rated.
Total Stock: 304 pcs

3401 Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
152 pcs
152 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
152 pcs
152 pcs On Request 1 On Request On Request On Request On Request On Request

3401 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accessory Type
Color
Flammability Rating
Head Thickness
IP Rating
Industrial Grade
Material
NEMA Rating
Operating Temperature Range
Overall Length
Packaging Type
Pressure Rating
SVHC Present
Thread Type
Wrenching Flats
ul_file_number

3401 Description

Short technical summary and product information.

The Heyco 3401 is a liquid tight threaded hole plug designed to seal threaded openings in electrical enclosures, hydraulic, and pneumatic systems. Constructed from Nylon 6/6, it is non-conductive and resistant to corrosion, salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents. The plug features a PG 21 thread and a hex-shaped head with a slot for installation using a wrench or screwdriver. Key dimensions include a wrenching flats of 32.8 mm, overall length of 17.3 mm, and head thickness of 5.3 mm. The plug is rated IP68 for dust and water ingress protection, and is suitable for NEMA 3R, 4, and 4X applications. It can operate in temperatures ranging from -40°C to +105°C and has a flammability rating of UL 94V-2. The integral sealing ring ensures a liquid-tight seal up to 70 psi. The plug is recognized under the UL Component Program with File E330194, meeting both Canadian and US requirements. Standard color is gray, with black also available.

3401 Quick Information

Product Type: Threaded Hole Plug
Series: LTTP
Canonical Name: Liquid Tight Threaded Hole Plug, PG 21, Nylon 6/6, Gray
Subcategory: Cable Accessories

3401 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

3401 Features

  • Nylon 6/6 construction for corrosion resistance.
  • PG 21 thread for metric threaded openings.
  • IP68 rated for dust and water ingress.
  • UL 94V-2 flammability rating.
  • Integral sealing ring for liquid-tight seal.

3401 Applications

  • Seals threaded openings in electrical enclosures.
  • Used in hydraulic and pneumatic systems.
  • Protects against moisture and contamination.
  • Suitable for outdoor NEMA 3R, 4, 4X applications.

3401 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the Heyco 3401?

-40°C to +105°C

What is the IP rating of the 3401 plug?

IP68 (70 PSI, 5 BAR)

What material is the Heyco 3401 made of?

Nylon 6/6 (Polyamide PA66)

What thread type does the 3401 use?

PG 21

What is the flammability rating of the 3401?

UL 94V-2

Is the Heyco 3401 RoHS compliant?

RoHS3 compliant (unverified – low confidence)

What is the pressure rating of the 3401?

70 psi (5 bar)

Home
Categories
Submit RFQ
Login
Account

Categories