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AMPCO Hook Spanner Wrench: 3 3/4 in to 4 in, 11 1/4 in Overall Lg, 5/16 in Hook Thick - Fixed-Hook Spanner Wrenches
AMPCOFixed-Hook Spanner Wrenches

AMPCO Hook Spanner Wrench: 3 3/4 in to 4 in, 11 1/4 in Overall Lg, 5/16 in Hook Thick

The AMPCO Hook Spanner Wrench (MPN 7422) is a fixed-hook spanner wrench with a capacity of 3-3/4 in to 4 in. It features an overall length of 11 1/4 in and a hook thickness of 5/16 in, and is designated as nonsparking.

SKU 3G-OTH-304801

Brand
AMPCO
Item
Hook Spanner Wrench: 3 3/4 in to 4 in, 11 1/4 in Overall Lg, 5/16 in Hook Thick
Category
Fixed-Hook Spanner Wrenches
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Technical Specifications

AMPCO
Manufacturer Part Number
7422
Type
Nonsparking
Overall Lg
11 1/4 in
Hook Thick
5/16 in
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AMPCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The AMPCO Hook Spanner Wrench (MPN 7422) is a fixed-hook spanner wrench with a capacity of 3-3/4 in to 4 in. It features an overall length of 11 1/4 in and a hook thickness of 5/16 in, and is designated as nonsparking.

Frequently Asked Questions

What is the AMPCO Hook Spanner Wrench used for?

The AMPCO Hook Spanner Wrench (MPN 7422) is used to tighten or loosen round locknuts and retaining rings with face notches. Its nonsparking design makes it suitable for use in hazardous environments such as oil refineries, chemical plants, and gas facilities where spark-free tools are required.

What are the specifications of the AMPCO Hook Spanner Wrench 7422?

The AMPCO Hook Spanner Wrench 7422 has a capacity of 3-3/4 in to 4 in, an overall length of 11-1/4 in, and a hook thickness of 5/16 in. It is a fixed-hook, nonsparking wrench designed for safe use in explosive atmospheres.

Where to buy the AMPCO Hook Spanner Wrench worldwide?

3G Electric supplies the AMPCO Hook Spanner Wrench (MPN 7422) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this nonsparking fixed-hook spanner wrench.

How to select the right AMPCO Hook Spanner Wrench size?

To select the correct AMPCO Hook Spanner Wrench, measure the diameter of the locknut or retaining ring across the notches. The AMPCO 7422 fits sizes from 3-3/4 in to 4 in. Ensure the hook thickness of 5/16 in matches the notch width for secure engagement.

Used in

Common applications for AMPCO
Oil and gas refinery maintenance — AMPCO combination wrench model 1512 for tightening flanges in classified areas
Chemical processing plant — AMPCO box-end wrench model 4422 for valve adjustment in volatile atmospheres
Grain handling facility — AMPCO open-end wrench model WO-22X23 for equipment repair in dust-hazard zones
Pharmaceutical manufacturing — AMPCO slotted screwdriver model S-39 for accessing control panels in cleanrooms
Mining operations — AMPCO impact socket model I-1D1-7/16 (4-PT) for heavy equipment maintenance underground
Aerospace fuel handling — AMPCO nut driver model ND-15MM for assembly of fuel system components

AMPCO Products

3G Electric supplies AMPCO fixed-hook spanner wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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