110S Classroom Knob Lockset

110S-US3-2-3/4

$197.87EA/1

Marks USA

Grade 2 Knob Series, Round Knob, Classroom, 2-3/4" Backset, 2-3/4" T Strike, C Keyway, US3 Polished Brass

Jump to Product Details

Keying Options

[No Special Keying]

This Product contains 1 cylinder per lock and is typically keyed alike in quantities of 1

No Special Keying ($0)

Key Locks Alike (Commercial-Per Cylinder) ($8)

For additional keying options or questions please contact us.

Finish Options

630/US32D-Satin Stainless Steel
605/US3-Bright Polished Brass

Function Options

Looking for another option? See all Marks USA 110 Series products.

Product Details

SKU
110S-US3-2-3/4
Ansi Function
F84
Backset
2-3/4 Inch
Cylinder Count
0
Cylinder Type
Conventional Cylinder
Cylinder Type Used
Conventional
Discontinued
false
Features
Adjustable Both Sides Steel Reinforced Rose
Finish
605/US3-Bright Polished Brass
Finish Code
605_US3_Bright_Polished_Brass
Finish Description
Bright Polished Brass
Finish Family
Polished Brass
Finish Hex
FDE6A6
Front Size
1" x 2-1/4"
Function
S-Classroom
Function Description
Deadlocking latch bolt by levers. Outside knob/lever is locked by key in outside lever. Inside knob/lever is always free.
Function Family
Classroom
Grade
ANSI/BHMA Grade 2
Handle Type
Knob
Height
0
Hits
0
Item Type
Inventory
Key Alike Group
0
Keyway
Marks C
Knob Lever Size
2-1/4 Inch
Knob Style
110-Round
Knob Style Family
Round Flat Knob
Latch Bolt Material
Stainless Steel
Latch Number
1138
Latch Throw
1/2 Inch
Latch Type
Deadlocking
Manufacturer
Marks USA
Manufacturer Parent
Napco Security Technologies
Number Of Pins
6
Rose Diameter
2-3/4 Inch
Rose Escutcheon Trim
Round Rose
Series
110 Series
Shipping Weight
2.8500 POUND
Standards
ANSI/BHMA A156.2; UL and CUL Listed
Strike
T-Strike, 1-1/8 Inch x 2-3/4 Inch, 1-1/8 Inch Lip, Square Corner
Strike Lip
1-1/8 Inch
Strike Number
1136
Strike Size
2-3/4 Inch
Strike Type
T-Strike
Trim Material
Steel (Rose)
Warranty
Lifetime Mechanical
Width
0
Unit of Measure
EA/1

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Add Additional Products

110S Classroom Knob Lockset

110S-US3-2-3/4

$197.87EA/1

Marks USA

Grade 2 Knob Series, Round Knob, Classroom, 2-3/4" Backset, 2-3/4" T Strike, C Keyway, US3 Polished Brass

Jump to Product Details

Keying Options

[No Special Keying]

This Product contains 1 cylinder per lock and is typically keyed alike in quantities of 1

No Special Keying ($0)

Key Locks Alike (Commercial-Per Cylinder) ($8)

For additional keying options or questions please contact us.

Finish Options

630/US32D-Satin Stainless Steel
605/US3-Bright Polished Brass

Function Options

Looking for another option? See all Marks USA 110 Series products.

Product Details

SKU
110S-US3-2-3/4
Ansi Function
F84
Backset
2-3/4 Inch
Cylinder Count
0
Cylinder Type
Conventional Cylinder
Cylinder Type Used
Conventional
Discontinued
false
Features
Adjustable Both Sides Steel Reinforced Rose
Finish
605/US3-Bright Polished Brass
Finish Code
605_US3_Bright_Polished_Brass
Finish Description
Bright Polished Brass
Finish Family
Polished Brass
Finish Hex
FDE6A6
Front Size
1" x 2-1/4"
Function
S-Classroom
Function Description
Deadlocking latch bolt by levers. Outside knob/lever is locked by key in outside lever. Inside knob/lever is always free.
Function Family
Classroom
Grade
ANSI/BHMA Grade 2
Handle Type
Knob
Height
0
Hits
0
Item Type
Inventory
Key Alike Group
0
Keyway
Marks C
Knob Lever Size
2-1/4 Inch
Knob Style
110-Round
Knob Style Family
Round Flat Knob
Latch Bolt Material
Stainless Steel
Latch Number
1138
Latch Throw
1/2 Inch
Latch Type
Deadlocking
Manufacturer
Marks USA
Manufacturer Parent
Napco Security Technologies
Number Of Pins
6
Rose Diameter
2-3/4 Inch
Rose Escutcheon Trim
Round Rose
Series
110 Series
Shipping Weight
2.8500 POUND
Standards
ANSI/BHMA A156.2; UL and CUL Listed
Strike
T-Strike, 1-1/8 Inch x 2-3/4 Inch, 1-1/8 Inch Lip, Square Corner
Strike Lip
1-1/8 Inch
Strike Number
1136
Strike Size
2-3/4 Inch
Strike Type
T-Strike
Trim Material
Steel (Rose)
Warranty
Lifetime Mechanical
Width
0
Unit of Measure
EA/1

Complete the job

110S Classroom Knob Lockset

110S-US3-2-3/4

$197.87EA/1

Expected By 05/22/2026

Marks USA

Grade 2 Knob Series, Round Knob, Classroom, 2-3/4" Backset, 2-3/4" T Strike, C Keyway, US3 Polished Brass

Jump to Product Details

Keying Options

[No Special Keying]

This Product contains 1 cylinder per lock and is typically keyed alike in quantities of 1

No Special Keying ($0)

Key Locks Alike (Commercial-Per Cylinder) ($8)

For additional keying options or questions please contact us.

Finish Options

630/US32D-Satin Stainless Steel
605/US3-Bright Polished Brass

Function Options

Looking for another option? See all Marks USA 110 Series products.

Product Details

SKU
110S-US3-2-3/4
Ansi Function
F84
Backset
2-3/4 Inch
Cylinder Count
0
Cylinder Type
Conventional Cylinder
Cylinder Type Used
Conventional
Discontinued
false
Features
Adjustable Both Sides Steel Reinforced Rose
Finish
605/US3-Bright Polished Brass
Finish Code
605_US3_Bright_Polished_Brass
Finish Description
Bright Polished Brass
Finish Family
Polished Brass
Finish Hex
FDE6A6
Front Size
1" x 2-1/4"
Function
S-Classroom
Function Description
Deadlocking latch bolt by levers. Outside knob/lever is locked by key in outside lever. Inside knob/lever is always free.
Function Family
Classroom
Grade
ANSI/BHMA Grade 2
Handle Type
Knob
Height
0
Hits
0
Item Type
Inventory
Key Alike Group
0
Keyway
Marks C
Knob Lever Size
2-1/4 Inch
Knob Style
110-Round
Knob Style Family
Round Flat Knob
Latch Bolt Material
Stainless Steel
Latch Number
1138
Latch Throw
1/2 Inch
Latch Type
Deadlocking
Manufacturer
Marks USA
Manufacturer Parent
Napco Security Technologies
Number Of Pins
6
Rose Diameter
2-3/4 Inch
Rose Escutcheon Trim
Round Rose
Series
110 Series
Shipping Weight
2.8500 POUND
Standards
ANSI/BHMA A156.2; UL and CUL Listed
Strike
T-Strike, 1-1/8 Inch x 2-3/4 Inch, 1-1/8 Inch Lip, Square Corner
Strike Lip
1-1/8 Inch
Strike Number
1136
Strike Size
2-3/4 Inch
Strike Type
T-Strike
Trim Material
Steel (Rose)
Warranty
Lifetime Mechanical
Width
0
Unit of Measure
EA/1

110S Classroom Knob Lockset

110S-US3-2-3/4

$197.87EA/1

Expected By 05/22/2026

Marks USA

Grade 2 Knob Series, Round Knob, Classroom, 2-3/4" Backset, 2-3/4" T Strike, C Keyway, US3 Polished Brass

Jump to Product Details

Keying Options

[No Special Keying]

This Product contains 1 cylinder per lock and is typically keyed alike in quantities of 1

No Special Keying ($0)

Key Locks Alike (Commercial-Per Cylinder) ($8)

For additional keying options or questions please contact us.

Finish Options

630/US32D-Satin Stainless Steel
605/US3-Bright Polished Brass

Function Options

Looking for another option? See all Marks USA 110 Series products.

Product Details

SKU
110S-US3-2-3/4
Ansi Function
F84
Backset
2-3/4 Inch
Cylinder Count
0
Cylinder Type
Conventional Cylinder
Cylinder Type Used
Conventional
Discontinued
false
Features
Adjustable Both Sides Steel Reinforced Rose
Finish
605/US3-Bright Polished Brass
Finish Code
605_US3_Bright_Polished_Brass
Finish Description
Bright Polished Brass
Finish Family
Polished Brass
Finish Hex
FDE6A6
Front Size
1" x 2-1/4"
Function
S-Classroom
Function Description
Deadlocking latch bolt by levers. Outside knob/lever is locked by key in outside lever. Inside knob/lever is always free.
Function Family
Classroom
Grade
ANSI/BHMA Grade 2
Handle Type
Knob
Height
0
Hits
0
Item Type
Inventory
Key Alike Group
0
Keyway
Marks C
Knob Lever Size
2-1/4 Inch
Knob Style
110-Round
Knob Style Family
Round Flat Knob
Latch Bolt Material
Stainless Steel
Latch Number
1138
Latch Throw
1/2 Inch
Latch Type
Deadlocking
Manufacturer
Marks USA
Manufacturer Parent
Napco Security Technologies
Number Of Pins
6
Rose Diameter
2-3/4 Inch
Rose Escutcheon Trim
Round Rose
Series
110 Series
Shipping Weight
2.8500 POUND
Standards
ANSI/BHMA A156.2; UL and CUL Listed
Strike
T-Strike, 1-1/8 Inch x 2-3/4 Inch, 1-1/8 Inch Lip, Square Corner
Strike Lip
1-1/8 Inch
Strike Number
1136
Strike Size
2-3/4 Inch
Strike Type
T-Strike
Trim Material
Steel (Rose)
Warranty
Lifetime Mechanical
Width
0
Unit of Measure
EA/1

Expected By 05/22/2026

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110S Classroom Knob Lockset

Marks USA

Keying Options

Finish Options

Function Options

Product Details

SKU

Ansi Function

Backset

Cylinder Count

Cylinder Type

Cylinder Type Used

Discontinued

Features

Finish

Finish Code

Finish Description

Finish Family

Finish Hex

Front Size

Function

Function Description

Function Family

Grade

Handle Type

Height

Hits

Item Type

Key Alike Group

Keyway

Knob Lever Size

Knob Style

Knob Style Family

Latch Bolt Material

Latch Number

Latch Throw

Latch Type

Manufacturer

Manufacturer Parent

Number Of Pins

Rose Diameter

Rose Escutcheon Trim

Series

Shipping Weight

Standards

Strike

Strike Lip

Strike Number

Strike Size

Strike Type

Trim Material

Warranty

Width

Unit of Measure

Report an Issue

Complete the job

Similar Products

Quick Order Pad

110S Classroom Knob Lockset

Marks USA

Keying Options

Finish Options

Function Options

Product Details

SKU

Ansi Function

Backset

Cylinder Count