Corbin Russwin Outside Grade 1...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$58.99
$49.61
Corbin Russwin Outside Spring Housing for CL3300 Series

Corbin Russwin Outside Grade 1 Spring Housing for CL3300 Series

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Model: 783F208
Selected Spring Housing for CL3300 Series is

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

$58.99
$49.61
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Corbin Russwin 783F208 Outside Spring Housing for CL3300 Series Cylindrical Locks

Genuine Replacement Component for CL3300 Series Door Hardware

The Corbin Russwin 783F208 Outside Spring Housing is an authentic manufacturer replacement part designed specifically for use with Corbin Russwin CL3300 Series cylindrical locks. This outside spring housing (O/S) ensures proper spring tension and smooth mechanical operation of the exterior trim assembly. Sourced directly from Corbin Russwin, this component maintains the integrity and performance of your existing CL3300 Series hardware installation in commercial door applications.

Professional Features & Benefits

  • Grade 1 cylindrical lockset per ANSI/BHMA A156.2 Series 4000, Grade 1
  • Lever Release™ design for vandal resistance — outside lever rotates freely when locked
  • EZ-Install components significantly reduce installation time
  • Independent return springs prevent lever sag
  • 4 solid cast lever options (Armstrong, Newport, Princeton, Frascati)
  • Anti-rotational through-bolts at 6 and 12 o'clock positions
  • Accommodates 6 or 7-pin conventional cylinders and all keying levels
  • CL3352 Classroom Intruder function: double-cylinder lockset, always-free egress
  • Available with MicroShield® antimicrobial coating (suffix option code "C")
  • CL33900 electrified option: fail safe and fail secure, 12 or 24VAC/VDC
  • ElectroLynx® 8-pin connector on all electrified products
  • Seven-year limited warranty (two-year for electrified)

Technical Specifications

  • Grade: ANSI/BHMA A156.2 Series 4000, Grade 1
  • Handing: Non-handed (except FZD trim)
  • Door Thickness: 1-3/4" (44mm) 2" (51mm) standard; optional over 2" 2-1/4" (57mm)
  • Backset: 2-3/4" (70mm) standard; optional 3-3/4" (95mm) and 5" (127mm)
  • Latchbolt: Stainless steel, 1/2" (13mm) throw; optional 3/4" (19mm) fire latch
  • Auxiliary Latchbolt: Deadlocking — prevents manipulation when door is closed
  • Lock Chassis: Steel, zinc dichromated for corrosion resistance
  • Front: Wrought brass, bronze, or stainless steel, 2-1/4" x 1-1/8"
  • Strike: Wrought brass or stainless steel ANSI curved lip, 4-7/8" x 1-1/4" x 1-1/4" lip to center
  • Cylinder: Brass, 6-pin L4 keyway, 0-bitted standard
  • Electrified Voltage: 12VAC/DC or 24VAC/DC (CL33900 Series)
  • Electrified Current: 250mA @ 12VAC/VDC; 150mA @ 24VAC/VDC, continuous duty solenoid
  • Certifications: ANSI/BHMA A156.2 Grade 1; UL-cUL listed; ANSI A117.1 Accessibility; California State Fire Marshal
  • Warranty: Seven-year limited (two-year for CL33900 electrified)

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose Corbin Russwin Quality?

Corbin Russwin door hardware parts and accessories are manufactured to the same exacting standards as original equipment, ensuring seamless compatibility and sustained performance in commercial applications. Selecting genuine Corbin Russwin replacement components like this Outside Spring Housing preserves the mechanical integrity of your CL3300 Series installation. Engineered for demanding commercial environments where consistent, dependable door hardware operation is essential.

Manufacturer Resources

Corbin Russwin Condensed Catalog

Product Specs

Product Group:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Outside Spring Housing
Commercial/Residential:
Commercial
Subcategory:
Parts and Accessories
Product Attribute:
Parts and Accessories
Department:
Door Hardware

Corbin Russwin 783F208 – Frequently Asked Questions

1) What does the Corbin Russwin 783F208 spring housing actually do, and is it the whole outside trim?
The 783F208 is the outside (O/S) spring housing for Corbin Russwin CL3300 Series cylindrical locks. It is the internal component that holds the return spring tension behind the exterior lever, not a lever, rose, or complete trim assembly. CL3300 locks use independent return springs on each side so the lever doesn't sag over time, and this housing is the outside half of that arrangement. If an outside lever has gone droopy or feels slack while the inside lever is still crisp, this is the part that gets replaced.
2) Do I need to order a left-hand or right-hand outside spring housing for a CL3300?
Handing isn't a factor. CL3300 Series cylindrical locks are non-handed apart from FZD trim, so you order the outside spring housing by side (outside versus inside), not by hand of the door. What you do need to get right is which side you're working on, since the outside and inside housings are ordered separately and the 783F208 is the outside one.
3) My outside lever spins freely when the door is locked. Is the spring housing bad?
Not necessarily, and on a CL3300 that's usually normal. The series uses a Lever Release design for vandal resistance, where the outside lever is meant to rotate freely when the lock is in the locked state so someone hanging on it can't break the chassis. A failed spring housing shows up differently: a lever that sags, doesn't return level after being pressed, or feels dead in both the locked and unlocked state. Diagnose which behavior you have before replacing the 783F208.
4) I'm repairing CL3300 locks across a building. Does door thickness or backset change which spring housing I order?
No. The outside spring housing is the same part across the range of openings the CL3300 covers, which is 1-3/4 inch (44mm) and 2 inch (51mm) doors standard with an option over 2 inch up to 2-1/4 inch (57mm), and backsets of 2-3/4 inch (70mm) standard with 3-3/4 inch (95mm) and 5 inch (127mm) options. That makes 783F208 a single line item to stock for a mixed fleet of CL3300 doors rather than something you have to match opening by opening.
5) Is this a genuine Corbin Russwin part or an aftermarket spring housing?
Genuine OEM. The 783F208 comes from Corbin Russwin and is the same component used in factory CL3300 assemblies, which matters on a Grade 1 opening: the CL3300 is certified to ANSI/BHMA A156.2 Series 4000 Grade 1, and substituting a non-OEM internal component puts that certification in question on a door that may have been specified for it. For a distributor or a facility that standardizes on CL3300, the part number to quote is 783F208.
6) Does the spring housing work with any CL3300 lever style, or do I have to match Armstrong, Newport, Princeton, or Frascati?
The outside spring housing is common to the CL3300 trim and is not specific to a lever design. The series offers four solid cast lever options, Armstrong, Newport, Princeton, and Frascati, and they all mount to the same outside trim arrangement. Order the lever separately if the lever itself is damaged; the 783F208 covers the spring return behind it.
7) Can I replace the outside spring housing on a CL3300 without pulling the whole lock off the door?
You work from the outside trim, not the full chassis. CL3300 locks use EZ-Install components to cut installation time, with anti-rotational through-bolts at the 6 and 12 o'clock positions holding the trim, so the outside rose and lever come off to reach the spring housing while the chassis stays in the 2-3/4 inch backset bore. Keep the through-bolts and the cylinder in order as you go, since the same lock accepts 6 or 7-pin conventional cylinders and the outside side is where that cylinder lives.
8) Is a worn spring housing the reason my CL3300 latch isn't catching properly?
Unlikely. The spring housing controls lever return, not latch projection. If the latch isn't engaging the strike, look at the latchbolt and the strike instead: the CL3300 uses a stainless steel latchbolt with a 1/2 inch (13mm) throw, or a 3/4 inch (19mm) fire latch as an option, against an ANSI curved lip strike measuring 4-7/8 x 1-1/4 inches with a 1-1/4 inch lip to center. A gap or an out-of-square frame that exceeds that throw is a strike or door alignment problem, and a new spring housing will not fix it.
9) Does the 783F208 spring housing suit an electrified CL33900 opening too?
The CL33900 electrified option is built on the same CL3300 platform, available fail safe and fail secure at 12 or 24VAC/VDC with an ElectroLynx 8-pin connector, and it uses the same outside trim spring arrangement. Drop power to the opening before you take the outside trim apart, since the solenoid on those is continuous duty and draws 250mA at 12VAC/VDC or 150mA at 24VAC/VDC while energized.
10) Is the Corbin Russwin 783F208 spring housing a commercial-duty part or is it fine for residential use?
It is a commercial part. The CL3300 Series it belongs to is a Grade 1 cylindrical lockset carrying ANSI/BHMA A156.2 Grade 1 certification, UL-cUL listing, ANSI A117.1 accessibility, and California State Fire Marshal listing, and it is specified into offices, schools, healthcare, retail, warehouses, multi-tenant residential, and government buildings. Nothing stops it going into a house, but it is engineered for the cycle counts of commercial traffic.
How fast can I get the Corbin Russwin 783F208 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 Corbin Russwin 783F208 come with a warranty?
Absolutely. The Corbin Russwin 783F208 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 Corbin Russwin 783F208?
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
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