PDQ 639001-R Panic Rated Head ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$172.83
Image coming soon

PDQ 639001-R Panic Rated Head Chassis, Rim, Wide Stile (replacement only)

(No reviews yet) Write a Review

Model: 639001R

In Stock (leaves warehouse same day if ordered before 3pm ET)

$172.83
Adding to cart… The item has been added
Free Shipping on orders over $199.99
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

PDQ 639001-R Panic Rated Head Chassis, Rim, Wide Stile (replacement only)

Replacement Parts for PDQ 6300 and 6400 Series Exit Devices

PDQ part number 639001-R: Panic Rated Head Chassis, Rim, Wide Stile (replacement only). A genuine PDQ part.

These are factory replacement and conversion parts for PDQ 6300 Series wide stile and 6400 Series narrow stile exit devices, covering rim, surface vertical rod, concealed vertical rod and mortise configurations. The range includes head chassis assemblies, latchbolts, rods and connectors, push bars, covers and end caps, strikes and shims, dogging and alarm conversion kits, screwpacks and signal switches, so an existing device can be serviced or upgraded without replacing the whole unit.

Key Features

  • Genuine PDQ parts for 6300 Series wide stile and 6400 Series narrow stile exit devices
  • Covers rim, surface vertical rod, concealed vertical rod and mortise device configurations
  • Panic rated and fire rated head chassis available for replacement
  • Conversion kits add cylinder dogging or an alarm to an installed device
  • Strikes, shims, drill guides and screwpacks for installation and adjustment

Technical Specifications

  • Manufacturer Part Number: 639001-R

Manufacturer Resources

Product Specs

Department:
Door Hardware
Product Group:
Exit Devices and Trim
Product Subgroup:
Exit Device Housings and Covers
Product Type:
Case Assembly
Product Category:
Parts and Accessories
Product Model:
639001-R
Commercial/Residential:
Commercial
Tags:
pdq 639001-r, 639001-r pdq, 639001-r
Subcategory:
Parts and Accessories
Parts and Accessories Type:
Chassis
Series:
6300 Series

PDQ 639001R – Frequently Asked Questions

1) What exactly is the PDQ 639001-R part?
It's the panic rated head chassis for a PDQ rim exit device in the wide stile configuration, part number 639001-R. The head chassis is the main body the push bar and latch mechanism mount into, so this is the core working assembly of the device rather than a trim or cover piece. It's sold as a factory replacement part only, not as a complete exit device.
2) Will the 639001-R fit a PDQ 6400 narrow stile exit device?
No. The 639001-R is the wide stile rim chassis and belongs to the PDQ 6300 Series wide stile devices. The 6400 Series is the narrow stile line and takes its own narrow stile chassis. Ordering by stile is the first thing to get right here, because the chassis footprint is what has to match the door stile and the existing prep.
3) Can I use the 639001-R panic rated chassis on a fire rated door opening?
Not as a substitute for a fire rated chassis. The 639001-R is the panic rated version. PDQ offers fire rated head chassis as separate replacement parts, and on a labeled fire door assembly you need the fire rated chassis, which also means no mechanical dogging. If the device you're servicing came off a labeled opening, order the fire rated chassis instead.
4) Is the 639001-R a rim chassis only, or will it work on a vertical rod or mortise device?
Rim only. The 639001-R is specified as the rim configuration. PDQ's 6300 and 6400 replacement range separately covers surface vertical rod, concealed vertical rod and mortise devices, and each of those uses its own head chassis. A rim device latches to a strike on the frame stop; a vertical rod device latches top and bottom, so the chassis assemblies are not interchangeable.
5) Do I have to replace the whole PDQ exit device, or can I just swap the head chassis?
The chassis can be replaced on its own. That's the point of the 639001-R and the rest of the PDQ 6300/6400 service range, which includes latchbolts, rods and connectors, push bars, covers and end caps, strikes and shims, and screwpacks. If the mechanism inside the head has failed but the rail, covers and strike are sound, swapping the chassis puts the device back in service without re-prepping the door.
6) Can I add cylinder dogging or an alarm to my installed PDQ exit device instead of buying a new one?
Yes, through PDQ's conversion kits. The 6300/6400 replacement range includes dogging and alarm conversion kits that add cylinder dogging or an alarm to a device already hung on the door, plus signal switches. Those are separate part numbers from the 639001-R head chassis, so order the kit alongside the chassis if you're upgrading function at the same time.
7) Is the 639001-R a genuine PDQ part or an aftermarket chassis?
Genuine PDQ, factory part number 639001-R. For a facility standardizing on PDQ exit devices, using the factory chassis keeps the device as originally specified rather than mixing in an aftermarket assembly of unknown fit.
How fast can I get the PDQ 639001R delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the PDQ 639001R come with a warranty?
Absolutely. The PDQ 639001R is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the PDQ 639001R?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the PDQ 639001R from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!