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

PHOENIX Jam Nut, Brass, 1 5/8 in Lg, 20 mm Thread Size, PNH8490JNT - Fleet and Vehicle Maintenance
PHOENIXFleet and Vehicle Maintenance

PHOENIX Jam Nut, Brass, 1 5/8 in Lg, 20 mm Thread Size, PNH8490JNT

The PHOENIX Jam Nut (MPN PNH8490JNT) is a brass fleet and vehicle maintenance component with a 1 5/8 in length and 20 mm thread size. 3G Electric sources this genuine OEM part across 14 industrial departments, with…

SKU 3G-OTH-743278

Brand
PHOENIX
Item
Jam Nut, Brass, 1 5/8 in Lg, 20 mm Thread Size, PNH8490JNT
Category
Fleet and Vehicle Maintenance
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PHOENIX
Manufacturer Part Number
PNH8490JNT
Type
Brass
Lg
1 5/8 in
Thread Size
20 mm

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

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

Product Description

The PHOENIX Jam Nut (MPN PNH8490JNT) is a brass fleet and vehicle maintenance component with a 1 5/8 in length and 20 mm thread size. 3G Electric sources this genuine OEM part across 14 industrial departments, with specialist expertise in combustion, pumps and controls ensuring accurate fulfillment.

Frequently Asked Questions

What is a PHOENIX Jam Nut used for?

A PHOENIX Jam Nut (PNH8490JNT) is a brass locking nut used in fleet and vehicle maintenance to secure threaded connections against vibration. It is commonly applied on brake systems, suspension linkages, and fluid-line fittings where a compact, corrosion-resistant fastener is required.

What are the specifications of the PHOENIX Jam Nut PNH8490JNT?

The PHOENIX Jam Nut PNH8490JNT is made of brass, has a length of 1 5/8 in, and a thread size of 20 mm. It is a genuine OEM part designed for fleet and vehicle maintenance applications. 3G Electric supplies this component across 14 industrial departments.

Where to buy PHOENIX Jam Nut PNH8490JNT worldwide?

3G Electric supplies the PHOENIX Jam Nut PNH8490JNT to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this genuine OEM brass jam nut for fleet maintenance.

How to install a PHOENIX Jam Nut?

To install a PHOENIX Jam Nut, thread it onto the mating bolt or stud after the primary nut is seated. Tighten the jam nut against the primary nut using a wrench to lock the assembly. Use anti-seize on brass threads to prevent galling. Torque to manufacturer specifications for the application.

Used in

Common applications for PHOENIX
Industrial air compressors — PHOENIX 69MB7LY switch for 35–150 psi tank pressure control
Workshop compressed air systems — PHOENIX 69MB9 switch for 45–175 psi range
Irrigation water pumps — PHOENIX 69ES1Z2040 switch for 20/40 psi automatic operation
Pressure boosting systems — PHOENIX PM4VAA switch with four ports for multi-gauge setups
Portable compressor units — PHOENIX 69MB6LY2C switch for 20–100 psi range
Water supply pressure control — PHOENIX 69MB7 switch for 95/125 psi cut-in/out

PHOENIX Products

3G Electric supplies PHOENIX fleet and vehicle maintenance. 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

More from PHOENIX

View all PHOENIX parts
DOT-mount dual wheel simulators designed for 16-inch wheel diameters. These accessories provide a finished appearance to the wheel assembly and help protect lug nuts from road debris. Commonly used on fleet vehicles and heavy-duty trucks for aesthetic and protective purposes
PHOENIX
DOT-mount dual wheel simulators designed for 16-inch wheel diameters. These accessories provide a finished appearance to the wheel assembly and help protect lug nuts from road debris. Commonly used on fleet vehicles and heavy-duty trucks for aesthetic and protective purposes
Brass left-hand stud extender used in fleet and vehicle maintenance to extend a left-hand threaded stud, commonly on brake systems or wheel hubs. Measures 1 3/8 in diameter and 1 3/8 in length. Corrosion-resistant brass construction
PHOENIX
Brass left-hand stud extender used in fleet and vehicle maintenance to extend a left-hand threaded stud, commonly on brake systems or wheel hubs. Measures 1 3/8 in diameter and 1 3/8 in length. Corrosion-resistant brass construction
Stainless steel hub cap designed for 19.5-inch wheel diameter dually wheel simulators. Features 10 lugs. Suitable for use in fleet and vehicle tire and brake maintenance applications
PHOENIX
Stainless steel hub cap designed for 19.5-inch wheel diameter dually wheel simulators. Features 10 lugs. Suitable for use in fleet and vehicle tire and brake maintenance applications
DOT-compliant dual wheel simulator for 19.5-inch wheel diameter. Designed for fleet and vehicle maintenance applications to enhance appearance and protect lug nuts and hubs from road debris
PHOENIX
DOT-compliant dual wheel simulator for 19.5-inch wheel diameter. Designed for fleet and vehicle maintenance applications to enhance appearance and protect lug nuts and hubs from road debris
Metric lug nut cover made of polished stainless steel with a 33 mm hex size. Designed to protect wheel lug nuts on fleet vehicles and heavy equipment, resisting corrosion while maintaining a professional appearance
PHOENIX
Metric lug nut cover made of polished stainless steel with a 33 mm hex size. Designed to protect wheel lug nuts on fleet vehicles and heavy equipment, resisting corrosion while maintaining a professional appearance
Stainless steel dual wheel simulator designed for 22.5 in wheel diameter on trucks. Covers lug nuts and hub on dual rear wheels to protect hardware from dirt and corrosion while providing a finished appearance. Commonly used in fleet maintenance to improve vehicle aesthetics and reduce cleaning time
PHOENIX
Stainless steel dual wheel simulator designed for 22.5 in wheel diameter on trucks. Covers lug nuts and hub on dual rear wheels to protect hardware from dirt and corrosion while providing a finished appearance. Commonly used in fleet maintenance to improve vehicle aesthetics and reduce cleaning time
Hex-shaped protective cover for wheel lug nuts, designed to shield against dirt, moisture, and corrosion. Commonly used in fleet and vehicle maintenance on trucks, trailers, and heavy equipment to extend fastener life
PHOENIX
Hex-shaped protective cover for wheel lug nuts, designed to shield against dirt, moisture, and corrosion. Commonly used in fleet and vehicle maintenance on trucks, trailers, and heavy equipment to extend fastener life
This stainless steel front hub cover is designed for 22.5-inch wheel diameters on heavy-duty trucks and trailers. It seals the wheel hub assembly against contaminants such as dirt and moisture while retaining grease, contributing to extended bearing life and reduced maintenance intervals in fleet and vehicle maintenance applications
PHOENIX
This stainless steel front hub cover is designed for 22.5-inch wheel diameters on heavy-duty trucks and trailers. It seals the wheel hub assembly against contaminants such as dirt and moisture while retaining grease, contributing to extended bearing life and reduced maintenance intervals in fleet and vehicle maintenance applications