Specifications

Von Duprin 98/99 Series • 21
9857/9957 Three-point latching device
Notes
Standard trim
No outside trim
Exit only
Dummy trim
Pull when dogged
(not recommended for
fire device)
Night latch
Key retracts latchbolt
Night latch
Key retracts latchbolt
optional pull required
Thumbturn
Key locks & unlocks
(use with DT trim)
Thumbturn
Blank escutcheon
always operable
(no cylinder)
(use with DT trim)
Product description 9857EO
9957EO
9857DT
9957DT
9857NL
9957NL
9857NL-OP
9957NL-OP
9857TL
9957TL
9857TL-BE
9957TL-BE
Trim description
— 990DT 990NL-R/V
110NL-MD
110NL-WD
374T X 990DT 374T-BE X 990DT
Escutcheon plate
size
—
3" x 14
13
/16" x
3
/32"
(76x360x2mm)
3" x 14
13
/16" x
3
/32"
(76x360x2mm)
—
2
3
/4" x 10
3
/4" x
27
/32"
(70x273x21mm)
2
3
/4" x 10
3
/4" x
27
/32"
(70x273x21mm)
Pull center to center — 5
1
/2" (140mm) 5
1
/2" (140mm) — — —
Projection
— 2" (51mm) 2" (51mm) — 2" (51mm) 2" (51mm)
ANSI function 01 02 03 03 11 or 12 16
Cylinder type
— — Rim Rim 1
1
/4" Mortise —
Handing
— — — — — —
Optional trim x990EO
x996EO
x996K-DT
x996L-DT
x696DT
x697DT
x996K-NL
x996L-NL
x696NL
x697NL
Optional #425 SNB
quantity for device
6 2 2 6 2 2
Lever
Key locks & unlocks
Lever – night latch
Key retracts latchbolt
Lever – blank escutcheon
Always operable (no cylinder)
Lever dummy trim
pull when dogged
Product description 9857L
9957LF
9857L-NL
9957L-NL
9857L-BE
9957L-BE
—
—
Trim description 996L-R/V* 996L-NL-R/V 996L-BE-R/V* 996L-DT
Escutcheon plate
size
2
3
/4" x 10
3
/4" x
27
/32"
(70x273x21mm)
2
3
/4" x 10
3
/4" x
27
/32"
(70x273x21mm)
2
3
/4" x 10
3
/4" x
27
/32"
(70x273x21mm)
2
3
/4" x 10
3
/4" x
27
/32"
(70x273x21mm)
Pull center to center — — — —
Projection
2
7
/8" (73mm) 2
7
/8" (73mm) 2
7
/8" (73mm) 2
7
/8" (73mm)
ANSI function 08 03 14 02
Cylinder type
Rim Rim — —
Handing
Handed/Reversible Handed/Reversible Handed/Reversible Handed/Reversible
Optional #425 SNB
quantity for device
2 2 2 2
* Electrified lever operation available
EO
L L-NL L-BE L-DT
DT NL NL-OP TL TL-BE