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HOFFMAN Hole Seal: Steel, 3 1/2 in Conduit Hole Size, For 4.12 in Hole Dia - Max - Oiltight Hole Seals
HOFFMANOiltight Hole Seals

HOFFMAN Hole Seal: Steel, 3 1/2 in Conduit Hole Size, For 4.12 in Hole Dia - Max

The HOFFMAN Hole Seal: Steel is an oiltight hole seal designed for conduit holes, featuring a steel construction with a powder-coated gray finish. It accommodates a 3 1/2 in conduit hole size and a maximum hole…

SKU 3G-OTH-07670

Brand
HOFFMAN
Item
Hole Seal: Steel, 3 1/2 in Conduit Hole Size, For 4.12 in Hole Dia - Max
Category
Oiltight Hole Seals
Available to Order
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Technical Specifications

HOFFMAN
Manufacturer Part Number
AS350
Type
For 4.12 in Hole Dia - Max, Steel, 3R, Gray
Material
Steel
Color
Gray
Finish
Powder Coated
Includes
Oil Resistant Gasket
For Hole Type
Conduit
Conduit Hole Size
3 1/2 in
NEMA Enclosure Rating
3R
View Full Spec Sheet

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

Product Description

The HOFFMAN Hole Seal: Steel is an oiltight hole seal designed for conduit holes, featuring a steel construction with a powder-coated gray finish. It accommodates a 3 1/2 in conduit hole size and a maximum hole diameter of 4.12 in, and includes an oil-resistant gasket. This product carries a NEMA enclosure rating of 3R.

Used in

Common applications for HOFFMAN
Industrial manufacturing — HOFFMAN steel indoor enclosures (e.g., A14N126) for housing motor controls in dry indoor areas.
Food processing — HOFFMAN sloped-top washdown enclosures (e.g., CSD20168ST) for protecting electronics in high-humidity, washdown zones.
Chemical plants — HOFFMAN 304 stainless steel enclosures (e.g., CSD36308SS) for corrosion-resistant protection of instrumentation.
Outdoor installations — HOFFMAN NEMA 3R/4X enclosures (e.g., CSD302410SS) for weatherproofing electrical connections in exposed locations.
Dust-tight wireways — HOFFMAN flexible fittings (e.g., F66WFF) for routing cables in dust-tight conduit systems in grain handling facilities.
Control room consoles — HOFFMAN Consolet enclosures (e.g., C20C20) for housing operator interfaces in NEMA 12/13 environments.

HOFFMAN Products

3G Electric supplies HOFFMAN oiltight hole seals. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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HOFFMAN Hole Seal: Steel, 3 in Conduit Hole Size, For 3.62 in Hole Dia - Max, Steel, 3R, Gray (MPN AS300). Key specifications — Color: Gray; Brand: HOFFMAN; Finish: Powder Coated; For Hole Type: Conduit; Includes: Oil Resistant Gasket; Material: Steel; NEMA Enclosure Rating: 3R.
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HOFFMAN Hole Seal: Stainless Steel, 1 in Conduit Hole Size, For 1.38 in Hole Dia - Max, 3R, Polished (MPN AS100SS). Key specifications — Color: Unpainted; Brand: HOFFMAN; Finish: Polished; For Hole Type: Conduit; Includes: Oil Resistant Gasket; Material: 304 Stainless Steel; NEMA Enclosure Rating: 3R.
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HOFFMAN Pushbutton Hole Seal: Steel, 30.5 mm Conduit Hole Size, For 1.25 in Hole Dia - Max, Steel (MPN ASPB). Key specifications — Color: Gray; Brand: HOFFMAN; Finish: Powder Coated; For Hole Type: Push Buttons; Includes: Oil Resistant Gasket; Material: Steel; NEMA Enclosure Rating: 3R.
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HOFFMAN Pushbutton Hole Seal: Stainless Steel, 22.5 mm Conduit Hole Size, For 0.88 in Hole Dia - Max (MPN ASPBGSS). Key specifications — Color: Unpainted; Brand: HOFFMAN; Finish: Polished; For Hole Type: Push Buttons; Includes: Oil Resistant Gasket; Material: 304 Stainless Steel; NEMA Enclosure Rating: 3R.
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HOFFMAN Pushbutton Hole Seal: Stainless Steel, 22.5 mm Conduit Hole Size, For 0.88 in Hole Dia - Max (MPN ASPBGSS). Key specifications — Color: Unpainted; Brand: HOFFMAN; Finish: Polished; For Hole Type: Push Buttons; Includes: Oil Resistant Gasket; Material: 304 Stainless Steel; NEMA Enclosure Rating: 3R.
HOFFMAN Hole Seal: Steel, 1 in Conduit Hole Size, For 1.38 in Hole Dia - Max, Steel, 3R, Gray (MPN AS100). Key specifications — Color: Gray; Brand: HOFFMAN; Finish: Powder Coated; For Hole Type: Conduit; Includes: Oil Resistant Gasket; Material: Steel; NEMA Enclosure Rating: 3R.
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HOFFMAN Hole Seal: Steel, 3/4 in Conduit Hole Size, For 1.06 in Hole Dia - Max, Steel, 3R, Gray (MPN AS075). Key specifications — Color: Gray; Brand: HOFFMAN; Finish: Powder Coated; For Hole Type: Conduit; Includes: Oil Resistant Gasket; Material: Steel; NEMA Enclosure Rating: 3R.