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Crown Automotive 1/2 Inch-20 Black Lug Nut (Black) – J4006956BLK

Crown Automotive

  • Crown Automotive 1/2-20 black acorn lug nut, part J4006956BLK
  • Black finish with acorn style and 1/2×20 size
  • Universal fit design for wheel studs
  • Count 1

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Description

Overview

The Crown Automotive J4006956BLK is a black acorn style 1/2-20 lug nut, catalogued as a single nut with a key or wrench head. It is a wheel lug nut that clamps a wheel to its studs and carries a universal fit listing from the brand.

This nut has a black finish and a 1/2×20 thread, which must match the studs on your wheel. Its seat is acorn style.

Key features

  • Black finish
  • Acorn style
  • 1/2×20 thread size
  • Part number J4006956BLK with UPC 848399062250

Seat and finish care

Acorn seats are cone shaped and center the nut inside the wheel’s tapered bore. That centering keeps the wheel true to the hub and spreads clamping force evenly. A seat that does not match the wheel can look tight while still letting the wheel work loose, so the seat style is worth checking before the first installation.

A black finish protects the nut from the weather but can scratch during installation. Keep the nuts clean of grit before running them on, and avoid forcing them with an impact tool set too high. Dirt trapped between the seat and the wheel is a common reason for a nut to loosen.

Inspect the seats each time the wheels come off. Look for dents, flattened areas or a ring of wear where the nut bears on the wheel. Replace damaged nuts and any wheel with a worn seat area.

Specifications

Brand Crown Automotive
Part number J4006956BLK
UPC 848399062250
Style Acorn
Color Black
Size 1/2×20
Lug nut type Key or wrench
Count 1

Vehicle fitment

Universal fit is the only fitment statement here; no year, make, model or trim is named. Use the stud thread and acorn seat to check fit.

Confirm your vehicle’s year, model and trim before ordering.

What’s included

One black acorn lug nut.

SKU: CROJ4006956BLK Category:

Specification

Shipping weight 0.10 lbs
Package dimensions 1.30 × 0.80 × 0.50 in
brands

Questions & Answers

Is J4006956BLK an acorn style lug nut?

Yes. It is an acorn style lug nut in black with a 1/2x20 size, part J4006956BLK. Confirm the acorn seat matches the wheel you plan to use it on.

Does J4006956BLK fit my Jeep?

It is a universal fit nut with no year, make, model or trim named. Match the 1/2x20 stud thread and acorn seat to your wheel, and confirm your vehicle's year, model and trim before ordering.

Is this nut the same as the stainless J4006956?

No. The black version is J4006956BLK, listed in black with an acorn style, while J4006956 is listed in stainless steel. The thread size is 1/2x20 on both.

How do I clean a black lug nut finish?

Use a soft cloth with mild soap and water, then dry the nut fully. Avoid abrasive pads and harsh solvents, which can dull or scratch black coatings over time.

Why does an acorn seat matter?

An acorn seat is a cone shape that centers the nut on the wheel's tapered bore. A seat that does not match can leave the wheel loose even when the nut looks tight.