We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

JOHNSON LEVEL I-Beam Level: Level, Plumb & 45° Angle, I-Beam, 48 in Overall Lg - Standard I-Beam Levels
JOHNSON LEVELStandard I-Beam Levels

JOHNSON LEVEL I-Beam Level: Level, Plumb & 45° Angle, I-Beam, 48 in Overall Lg

The JOHNSON LEVEL I-Beam Level (MPN 7748-O) is a standard I-beam level with a 48-inch overall length, featuring an acrylic vial and plastic construction. It provides level, plumb, and 45° angle readings with a side…

SKU 3G-OTH-305108

Also listed as: 7748O · 7748 O

Brand
JOHNSON LEVEL
Item
I-Beam Level: Level, Plumb & 45° Angle, I-Beam, 48 in Overall Lg
Category
Standard I-Beam Levels
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JOHNSON LEVEL
Manufacturer Part Number
7748-O
Type
Plumb & 45° Angle, I-Beam, Side Read Only, 0
Overall Lg
48 in

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

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

Product Description

The JOHNSON LEVEL I-Beam Level (MPN 7748-O) is a standard I-beam level with a 48-inch overall length, featuring an acrylic vial and plastic construction. It provides level, plumb, and 45° angle readings with a side read only orientation.

Frequently Asked Questions

What is the JOHNSON LEVEL 7748-O I-Beam Level used for?

The JOHNSON LEVEL 7748-O I-Beam Level is used for checking level, plumb, and 45° angle in construction, framing, and industrial alignment tasks. Its 48-inch length suits long-span applications like shelving, conduit, or equipment setup. 3G Electric supplies this tool across 14 industrial departments.

What are the specifications of the JOHNSON LEVEL 7748-O?

The JOHNSON LEVEL 7748-O is a standard I-beam level with a 48-inch overall length, acrylic vial, and plastic construction. It provides level, plumb, and 45° angle readings with side read only orientation. The manufacturer part number is 7748-O.

Where to buy the JOHNSON LEVEL 7748-O worldwide?

3G Electric supplies the JOHNSON LEVEL 7748-O I-Beam Level worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine equipment across 14 departments, including precision tools. Contact us for availability and lead time.

How to maintain a JOHNSON LEVEL I-Beam Level?

To maintain a JOHNSON LEVEL I-Beam Level, keep the acrylic vial clean and free of debris. Store the level in a protective case or dry area to prevent warping. Avoid dropping the tool, as impact can shift the vial calibration. Periodically check accuracy against a known flat surface.

Used in

Common applications for JOHNSON LEVEL
Construction framing – Johnson Level torpedo level (MPN 1411-0900) for checking plumb and level on studs and joists
Metal fabrication – Johnson Level combination square (MPN 400) for layout and squaring of sheet metal
Drywall installation – Johnson Level drywall T-square (MPN JTS481) for cutting and aligning gypsum boards
Machinery alignment – Johnson Level bullseye level (MPN 100) for leveling equipment bases in all directions
Distance measurement – Johnson Level laser distance meter (MPN LDM85) for room dimensions in facility layout
Surveying and laser setup – Johnson Level elevating tripod (MPN 40-6330) for mounting laser levels on uneven terrain

JOHNSON LEVEL Products

3G Electric supplies JOHNSON LEVEL standard i-beam levels. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
JOHNSON LEVEL Aluminum Level: Level & Plumb, I-Beam, Cushioned, Cushioned, 48 in Overall Lg, 0.029° (MPN 1254-4800)
JOHNSON LEVEL
JOHNSON LEVEL Aluminum Level: Level & Plumb, I-Beam, Cushioned, Cushioned, 48 in Overall Lg, 0.029° (MPN 1254-4800)
JOHNSON LEVEL Aluminum Level: Level, Plumb & 45° Angle, I-Beam, Cushioned, Cushioned, Strip – 1 (MPN 1254-2400)
JOHNSON LEVEL
JOHNSON LEVEL Aluminum Level: Level, Plumb & 45° Angle, I-Beam, Cushioned, Cushioned, Strip – 1 (MPN 1254-2400)
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 48 in Overall Lg, Top & Side Read, Rare Earth – 1 (MPN 3848)
JOHNSON LEVEL
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 48 in Overall Lg, Top & Side Read, Rare Earth – 1 (MPN 3848)
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 24 in Overall Lg, Top & Side Read, None Acrylic (MPN 3724)
JOHNSON LEVEL
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 24 in Overall Lg, Top & Side Read, None Acrylic (MPN 3724)
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 78 in Overall Lg, Top & Side Read, Rare Earth – 1 (MPN 3878)
JOHNSON LEVEL
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 78 in Overall Lg, Top & Side Read, Rare Earth – 1 (MPN 3878)

More from JOHNSON LEVEL

View all JOHNSON LEVEL parts
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, Cushioned, Cushioned, 48 in Overall Lg, 0, 0.029° (MPN 1253-4800)
JOHNSON LEVEL
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, Cushioned, Cushioned, 48 in Overall Lg, 0, 0.029° (MPN 1253-4800)
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 48 in Overall Lg, Top & Side Read, 0, 1 mm/m (MPN 1300-4800)
JOHNSON LEVEL
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 48 in Overall Lg, Top & Side Read, 0, 1 mm/m (MPN 1300-4800)
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 48 in Overall Lg, Top & Side Read, 1, 1 mm/m (MPN 3748)
JOHNSON LEVEL
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 48 in Overall Lg, Top & Side Read, 1, 1 mm/m (MPN 3748)
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 24 in Overall Lg, Top & Side Read, 0, 1 mm/m (MPN 1300-2400)
JOHNSON LEVEL
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, 24 in Overall Lg, Top & Side Read, 0, 1 mm/m (MPN 1300-2400)
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, Cushioned, Cushioned, 24 in Overall Lg, 0, 0.029° (MPN 1253-2400)
JOHNSON LEVEL
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, Cushioned, Cushioned, 24 in Overall Lg, 0, 0.029° (MPN 1253-2400)
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, Cushioned, Cushioned, 72 in Overall Lg, 0, 0.029° (MPN 1253-7200)
JOHNSON LEVEL
JOHNSON LEVEL I-Beam Level: Level & Plumb, I-Beam, Cushioned, Cushioned, 72 in Overall Lg, 0, 0.029° (MPN 1253-7200)
JOHNSON LEVEL I-Beam Level: Level, Plumb & 45° Angle, I-Beam, 24 in Overall Lg, Side Read Only, 0 (MPN 7724-O)
JOHNSON LEVEL
JOHNSON LEVEL I-Beam Level: Level, Plumb & 45° Angle, I-Beam, 24 in Overall Lg, Side Read Only, 0 (MPN 7724-O)