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LDI INDUSTRIES Vented Oil Gauges: 5.17 in Body Ht, 3 1/4 in Sight Ht, 1/4" NPTF Female - Vented Oil Level Gauges
LDI INDUSTRIESVented Oil Level Gauges

LDI INDUSTRIES Vented Oil Gauges: 5.17 in Body Ht, 3 1/4 in Sight Ht, 1/4" NPTF Female

The LDI INDUSTRIES Vented Oil Level Gauge (SKU 1U594, MPN G406-2) is a G400 Series-compatible gauge with a 5.17 in body height, 3 1/4 in sight height, and 1/4" NPTF female connection. It features a Buna N seal, a…

SKU 3G-OTH-592814

Brand
LDI INDUSTRIES
Item
Vented Oil Gauges: 5.17 in Body Ht, 3 1/4 in Sight Ht, 1/4" NPTF Female
Category
Vented Oil Level Gauges
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Technical Specifications

LDI INDUSTRIES
Manufacturer Part Number
G406-2
Sight Ht
3 1/4 in
NPTF Female
1/4"
Seal Material
Buna N
Max. Temp Rating
250°F
Includes Thermometer
No Thermometer Included
Compatible with Series
G400 Series
View Full Spec Sheet

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

Product Description

The LDI INDUSTRIES Vented Oil Level Gauge (SKU 1U594, MPN G406-2) is a G400 Series-compatible gauge with a 5.17 in body height, 3 1/4 in sight height, and 1/4" NPTF female connection. It features a Buna N seal, a maximum temperature rating of 250°F, and does not include a thermometer.

Frequently Asked Questions

What is a vented oil level gauge used for?

A vented oil level gauge provides a clear visual indication of oil level in reservoirs, gearboxes, and hydraulic tanks. The vent allows pressure equalization, preventing seal damage. LDI INDUSTRIES G400 Series gauges like the G406-2 are common in industrial machinery, pumps, and compressors where reliable fluid monitoring is essential.

What are the specifications of the LDI INDUSTRIES G406-2 vented oil gauge?

The LDI INDUSTRIES G406-2 vented oil gauge has a 5.17 in body height, 3 1/4 in sight height, and a 1/4" NPTF female connection. It uses a Buna N seal, has a maximum temperature rating of 250°F, and does not include a thermometer. It is compatible with the G400 Series.

Where to buy LDI INDUSTRIES G406-2 vented oil gauge worldwide?

3G Electric supplies the LDI INDUSTRIES G406-2 vented oil gauge to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine parts across 14 departments and ensure you get the right component for your application.

How to install a vented oil level gauge?

Install the LDI INDUSTRIES G406-2 gauge into a 1/4" NPTF female port using thread sealant on the male threads. Tighten to manufacturer torque specifications—do not overtighten. Ensure the vent is unobstructed and the sight glass is clean. Verify the Buna N seal is compatible with your oil type before operation.

Used in

Common applications for LDI INDUSTRIES
Hydraulic power units — LDI Industries pump motor adapters (e.g., MPN 6028) connect electric motors to hydraulic pumps in industrial machinery.
Mobile equipment — LDI Industries SAE B 4-bolt adapters (e.g., MPN 1952) used in construction vehicle hydraulic systems.
Gas engine-driven pumps — LDI Industries gas engine/pump adapter (MPN 6019) interfaces PEM-G flange engines with SAE A pumps.
Hydraulic tank fabrication — LDI Industries steel return flanges (e.g., MPN 5111) welded onto reservoirs for fluid return ports.
Maintenance replacement — LDI Industries pump motor adapters (e.g., MPN 1960) replace worn or incompatible adapters in existing hydraulic systems.
Industrial automation — LDI Industries adapters (e.g., MPN 1950) used in stationary hydraulic presses and material handling equipment.

LDI INDUSTRIES Products

3G Electric supplies LDI INDUSTRIES vented oil level gauges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Vented Oil Gauges: 6.19 in Body Ht, 4 1/4 in Sight Ht, 1/2" NPTF Male, 250°F Max. Temp Rating (MPN G321-4). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G320 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
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Vented Oil Gauges: 5.98 in Body Ht, 4 1/4 in Sight Ht, 1/4" NPTF Male, 250°F Max. Temp Rating (MPN G307-2). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G300 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
LDI INDUSTRIES
Vented Oil Gauges: 5.98 in Body Ht, 4 1/4 in Sight Ht, 1/4" NPTF Male, 250°F Max. Temp Rating (MPN G307-2). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G300 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
Vented Oil Gauges: 4.17 in Body Ht, 2 3/4 in Sight Ht, 1/4" NPTF Male, 250°F Max. Temp Rating (MPN G655-2). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G650 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
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Vented Oil Gauges: 5.92 in Body Ht, 4 1/4 in Sight Ht, 1/2" NPTF Male, 250°F Max. Temp Rating (MPN G261-4). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G260 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
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Vented Oil Gauges: 5.67 in Body Ht, 4 1/4 in Sight Ht, 1/4" NPTF Male, 250°F Max. Temp Rating (MPN G657-2). Key specifications — Brand: LDI INDUSTRIES; Compatible with Series: G650 Series; Includes Thermometer: No Thermometer Included; Seal Material: Buna N.
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