Orbit Knob by Schlage F-Series
The Schlage Orbit is a Grade 2 knob that is part of the Schlage F-Series Collection. Minimalist style with a strong, spherical shape and uncomplicated design.
- Applications: Residential single-and multi-family doors.
- Certifications: ANSI A156.2, 1996, Series 4000 Grade 2.
- Schlage has transitioned their FA series knobs and levers to the F Series. This item NOW comes with the Georgian rosettes.
- Interior screws are not concealed. Click here for Andover (AND) rosette.
- Easy 3-step installation, only a screwdriver needed.
- Quality materials and construction for exceptional security.
- Quality finishes coordinate with plumbing and lighting.
Function: The Schlage Orbit Knob is available in Passage (F10 ORB), Privacy (F40 ORB), Keyed Entry (F51A ORB), and Single Dummy (F170 ORB) function.
Finish: The Schlage Orbit Knob comes in Lifetime Brass (505), Brass (605), Satin Nickel (619), Polished Chrome (625), Satin Chrome (626), and Brass x Polished Chrome (605 x 625) finish.
All Schlage Locks come standard with Round Corner Adjustable Latch (RCAL) and Round Corner Strike (RCS).
All Schlage Locks come standard with Drive-in Collars needed to convert standard latches into the drive-in function.
If you require Square Corner Strikes (SCS) please order from our Door Strikes Section.
If you require Square Corner Latches (SCAL) please order from our Latches Section.
Door Range: 1-3/8" - 1-3/4" (35mm - 44mm).
Backset: Dual Backset Latch; adjustable for 2-3/8" or 2-3/4" backset.
Strike: 1-5/8" x 2-1/4" Radius Corner Faceplate, 7/8" Housing Diameter, 1/2" Throw, Round Corner.

Door Range: 1-3/8" - 1-3/4" (35mm - 44mm).
Backset: Dual Backset Latch; adjustable for 2-3/8" or 2-3/4" backset.
Strike: 1-5/8" x 2-1/4" Radius Corner Faceplate, 7/8" Housing Diameter, 1/2" Throw, Round Corner.
Functions:
- Passage (Hall & Closet): Both knobs always unlocked.
- Privacy (Bedroom & Bathroom): Push-button Locking. Can be opened from outside with small circular tool. Turning inside knob releases button.
- Keyed Entry (Entrance): Unlocked by key from outside when outer knob is locked by turn-button in inside knob.
- Half Dummy (Dummy Trim): Single-sided surface-mounted Dummy Trim for one side of door. Used for door pull or as matching inactive trim.
* For F51A ORB Entry Locks Only:
Cylinder: 5-Pin, Schlage "C" Keyway (SC1), Keyed Different (KD).
- Pin & Tumbler (Standard)
Keying Options: See "Keying" for the following keying options on the F51A ORB Entry Knob:
- Keyed Alike: 1 key works all locks.
- Master Keyed: Locks are Keyed Different (KD) with 2 keys per lock, 1 Master Key opens all locks.
- Construction Key: PK.
Instructions & Templates
Click on the links below to download helpful instructions & templates for this product.
Schlage Orbit (ORB) Knob
Download Installation Instructions
Schlage Privacy/Passage Lock Door Prep Checklist:
Schlage Privacy/Passage Lock Easy Installation Video: