Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
HUBBELL KILLARK Liquid-Tight Conduit Fitting: Aluminum, 1 1/4 in Trade Size, Non-Insulated - Straight Hazardous Location Liquid-Tight Conduit Fittings
HUBBELL KILLARKStraight Hazardous Location Liquid-Tight Conduit Fittings

HUBBELL KILLARK Liquid-Tight Conduit Fitting: Aluminum, 1 1/4 in Trade Size, Non-Insulated

The HUBBELL KILLARK MC4 is a straight, non-insulated liquid-tight conduit fitting made of aluminum, with a 1-1/4 in trade size and a 1-1/4 in MNPT box connection. It is rated for hazardous locations: Class I…

SKU 3G-OTH-05598

Brand
HUBBELL KILLARK
Item
Liquid-Tight Conduit Fitting: Aluminum, 1 1/4 in Trade Size, Non-Insulated
Category
Straight Hazardous Location Liquid-Tight Conduit Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

HUBBELL KILLARK
Manufacturer Part Number
MC4
Type
Non-Insulated, Straight
Insulated
Non-Insulated
Trade Size
1 1/4 in
Box Connection
1-1/4 in MNPT
Hazardous Location Rating
Class I, Division 2, Groups A, B, C, D
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

HUBBELL KILLARK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HUBBELL KILLARK MC4 is a straight, non-insulated liquid-tight conduit fitting made of aluminum, with a 1-1/4 in trade size and a 1-1/4 in MNPT box connection. It is rated for hazardous locations: Class I, Division 2, Groups A, B, C, D.

Frequently Asked Questions

What is the HUBBELL KILLARK MC4 conduit fitting used for?

The HUBBELL KILLARK MC4 is a straight, non-insulated liquid-tight conduit fitting used to connect and seal conduit runs in hazardous locations. It is rated Class I, Division 2, Groups A, B, C, D, making it suitable for environments with flammable gases or vapors, such as oil refineries and chemical plants.

What are the specifications of the HUBBELL KILLARK MC4?

The HUBBELL KILLARK MC4 is a straight, non-insulated liquid-tight conduit fitting made of aluminum. It has a 1 1/4 in trade size and a 1-1/4 in MNPT box connection. Its hazardous location rating is Class I, Division 2, Groups A, B, C, D. The manufacturer part number is MC4.

Where to buy the HUBBELL KILLARK MC4 worldwide?

You can source the HUBBELL KILLARK MC4 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this fitting to procurement teams and engineers globally.

How to install the HUBBELL KILLARK MC4 conduit fitting?

To install the HUBBELL KILLARK MC4, ensure the conduit end is clean and apply a suitable sealant to the 1-1/4 in MNPT threads. Tighten the fitting securely into the box connection, maintaining the liquid-tight seal. Follow NEC guidelines for hazardous locations and verify the Class I, Division 2 rating is appropriate for your environment.

Used in

Common applications for HUBBELL KILLARK
Oil and gas refineries — Hubbell Killark MM-90-1WW 90° elbows for conduit routing in Class I Division 1 areas
Chemical processing plants — Hubbell Killark SWB-5 device boxes for housing switches and controls in corrosive environments
Grain handling facilities — Hubbell Killark VM1L4530 LED light fixtures for illumination in dust-ignition-proof locations
Pharmaceutical manufacturing — Hubbell Killark GECLBT-1 conduit outlet bodies for wiring connections in clean rooms with hazardous vapors
Wastewater treatment plants — Hubbell Killark GRK-537L enclosures with lens covers for instrument housing in wet hazardous zones
Petrochemical storage terminals — Hubbell Killark OLL-8M iron conduit outlet bodies for heavy-duty conduit systems in outdoor classified areas

HUBBELL KILLARK Products

3G Electric supplies HUBBELL KILLARK straight hazardous location liquid-tight conduit fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
HUBBELL KILLARK Capped Elbow - Haz Loc: Aluminum, Powder Coated, 1 1/4 in Trade Size, NPT (MPN Y-4). Key specifications — Material: Aluminum; Finish: Powder Coated; Ends - Hazardous Fittings: 1-1/4 in FNPT x 1-1/4 in FNPT; Brand: HUBBELL KILLARK.
HUBBELL KILLARK
HUBBELL KILLARK Capped Elbow - Haz Loc: Aluminum, Powder Coated, 1 1/4 in Trade Size, NPT (MPN Y-4). Key specifications — Material: Aluminum; Finish: Powder Coated; Ends - Hazardous Fittings: 1-1/4 in FNPT x 1-1/4 in FNPT; Brand: HUBBELL KILLARK.
HUBBELL KILLARK Capped Elbow - Haz Loc: Aluminum, Powder Coated, 3/4 in Trade Size, NPT (MPN Y-2). Key specifications — Material: Aluminum; Finish: Powder Coated; Ends - Hazardous Fittings: 3/4 in FNPT x 3/4 in FNPT; Brand: HUBBELL KILLARK.
HUBBELL KILLARK
HUBBELL KILLARK Capped Elbow - Haz Loc: Aluminum, Powder Coated, 3/4 in Trade Size, NPT (MPN Y-2). Key specifications — Material: Aluminum; Finish: Powder Coated; Ends - Hazardous Fittings: 3/4 in FNPT x 3/4 in FNPT; Brand: HUBBELL KILLARK.
HUBBELL KILLARK Capped Elbow - Haz Loc: Aluminum, Powder Coated, 1 in Trade Size, NPT (MPN Y-3). Key specifications — Material: Aluminum; Finish: Powder Coated; Ends - Hazardous Fittings: 1 in FNPT x 1 in FNPT; Brand: HUBBELL KILLARK.
HUBBELL KILLARK
HUBBELL KILLARK Capped Elbow - Haz Loc: Aluminum, Powder Coated, 1 in Trade Size, NPT (MPN Y-3). Key specifications — Material: Aluminum; Finish: Powder Coated; Ends - Hazardous Fittings: 1 in FNPT x 1 in FNPT; Brand: HUBBELL KILLARK.
HUBBELL KILLARK Capped Elbow - Haz Loc: Aluminum, Powder Coated, 1/2 in Trade Size, NPT (MPN Y-1). Key specifications — Material: Aluminum; Finish: Powder Coated; Ends - Hazardous Fittings: 1/2 in FNPT x 1/2 in FNPT; Brand: HUBBELL KILLARK.
HUBBELL KILLARK
HUBBELL KILLARK Capped Elbow - Haz Loc: Aluminum, Powder Coated, 1/2 in Trade Size, NPT (MPN Y-1). Key specifications — Material: Aluminum; Finish: Powder Coated; Ends - Hazardous Fittings: 1/2 in FNPT x 1/2 in FNPT; Brand: HUBBELL KILLARK.
Union - Conduit to Box, 90 Degrees: Aluminum, 3/4 in Trade Size, Female to Male (MPN GUML-2WW). Key specifications — Ends - Hazardous Fittings: 3/4 in FNPT x 3/4 in MNPT; Finish: Plain; Brand: HUBBELL KILLARK.
HUBBELL KILLARK
Union - Conduit to Box, 90 Degrees: Aluminum, 3/4 in Trade Size, Female to Male (MPN GUML-2WW). Key specifications — Ends - Hazardous Fittings: 3/4 in FNPT x 3/4 in MNPT; Finish: Plain; Brand: HUBBELL KILLARK.
Union - Conduit to Box, 90 Degrees: Aluminum, 1/2 in Trade Size, Female to Male (MPN GUML-1). Key specifications — Ends - Hazardous Fittings: 1/2 in FNPT x 1/2 in MNPT; Finish: Plain; Brand: HUBBELL KILLARK.
HUBBELL KILLARK
Union - Conduit to Box, 90 Degrees: Aluminum, 1/2 in Trade Size, Female to Male (MPN GUML-1). Key specifications — Ends - Hazardous Fittings: 1/2 in FNPT x 1/2 in MNPT; Finish: Plain; Brand: HUBBELL KILLARK.

More from HUBBELL KILLARK

View all HUBBELL KILLARK parts →
Liquid-Tight Conduit Fitting: Aluminum, 1/2 in Trade Size, Non-Insulated, Straight (MPN MC1C). Key specifications — Insulated: Non-Insulated; Box Connection: 1/2 in MNPT; Hazardous Location Rating: Class I, Division 2, Groups A, B, C, D; Brand: HUBBELL KILLARK.
HUBBELL KILLARK
Liquid-Tight Conduit Fitting: Aluminum, 1/2 in Trade Size, Non-Insulated, Straight (MPN MC1C). Key specifications — Insulated: Non-Insulated; Box Connection: 1/2 in MNPT; Hazardous Location Rating: Class I, Division 2, Groups A, B, C, D; Brand: HUBBELL KILLARK.
Liquid-Tight Conduit Fitting: Aluminum, 1 in Trade Size, Non-Insulated, Straight (MPN MC3). Key specifications — Insulated: Non-Insulated; Box Connection: 1 in MNPT; Hazardous Location Rating: Class II, Division 1 and 2, Groups E, F, G; Brand: HUBBELL KILLARK.
HUBBELL KILLARK
Liquid-Tight Conduit Fitting: Aluminum, 1 in Trade Size, Non-Insulated, Straight (MPN MC3). Key specifications — Insulated: Non-Insulated; Box Connection: 1 in MNPT; Hazardous Location Rating: Class II, Division 1 and 2, Groups E, F, G; Brand: HUBBELL KILLARK.
Liquid-Tight Conduit Fitting: Aluminum, 3/4 in Trade Size, Non-Insulated, Straight (MPN MC2). Key specifications — Insulated: Non-Insulated; Box Connection: 3/4 in MNPT; Hazardous Location Rating: Class III, Division 1 and 2; Brand: HUBBELL KILLARK.
HUBBELL KILLARK
Liquid-Tight Conduit Fitting: Aluminum, 3/4 in Trade Size, Non-Insulated, Straight (MPN MC2). Key specifications — Insulated: Non-Insulated; Box Connection: 3/4 in MNPT; Hazardous Location Rating: Class III, Division 1 and 2; Brand: HUBBELL KILLARK.