Schlage S Series
Schlage S51 Neptune Entrance/Office Tubular Lever Lock
ANSI F81 entrance/officeANSI/BHMA Grade 2UL listed, 3-hour fire ratedDual 2-3/8 / 2-3/4 in. backset
Finish: Satin Chrome (626)
Faded finishes are special order with the cylinder option below.
Cylinder and keying
Keyed and ready to install
Construction core
Less cylinder, for your key system
15 in stock
Ready to ship in this finish and cylinder.
Add to a project quote- Door to door shipping
- Technical support on every order: 346-777-3031
How it works
Entrance/office function, ANSI F81
A button on the inside locks the outside lever. A key unlocks it from outside. The inside lever is always free. Common on offices and entry doors.
Outside lever
Locked with the inside button. A key opens it from outside.
Inside lever
Always free. Anyone inside can leave without a key.
Specifications
- Model
- S51
- Function
- Entrance/Office, ANSI F81
- Grade
- ANSI/BHMA A156.2 Series 4000, Grade 2
- Series
- Schlage S Series
- Lever
- Neptune (NEP)
- Rose
- 2-1/2 in. rose
- Door thickness
- 1-3/8 to 2 in.
- Backset
- Dual 2-3/8 / 2-3/4 in.
- Latch
- 1 x 2-1/4 in. square corner, 1/2 in. throw
- Cylinder
- Key-in-lever cylinder (outside lever)
- Fire rating
- UL listed, 3-hour
- Finish
- Satin Chrome (626)
- SKU
- S51PD NEP 626
Not sure it fits your door?
Send a photo of the door edge and the hardware on it. We'll match the part.
Send a photoBefore you order
Lock functions
Passage, privacy, storeroom, classroom
Which function each room needs, and what the ANSI numbers mean.
Keying
IC cores and keyways explained
Conventional, FSIC and SFIC, and when to order less cylinder.
Finishes
US finish codes decoded
US26D, US32D, US10B and the rest, matched to BHMA numbers.
Handing
How to determine door handing
LH, RH, LHR, RHR, worked out from where you stand.
Buying for a whole job?
Send the hardware schedule or drawing. Door, frame and hardware quoted together so nothing shows up missing.