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AT Series Switch Fixings

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Part #

Switch Fixings FLAT KEY FOR CKL

AT4153-023
NKK Switches
1: $4.53
24In Stock

Mfr. Part No.
AT4153-023

Mouser Part No
633-AT4153-023

NKK Switches

Switch Fixings FLAT KEY FOR CKL

Datasheet

24In Stock

$4.53

$4.10

$3.96

$3.84

View

Min.: 1
Mult.: 1

Hardware

Key

Keylock Switches

CK Series

Bulk

Switch Fixings FLAT KEY FOR CKL

AT4153-024
NKK Switches
1: $4.53
27In Stock

Mfr. Part No.
AT4153-024

Mouser Part No
633-AT4153-024

NKK Switches

Switch Fixings FLAT KEY FOR CKL

Datasheet

27In Stock

$4.53

$4.05

$3.92

$3.80

View

Min.: 1
Mult.: 1

Hardware

Key

Keylock Switches

CK Series

Bulk

Switch Fixings FLAT KEY FOR CKL

AT4153-025
NKK Switches
1: $4.53
8In Stock

Mfr. Part No.
AT4153-025

Mouser Part No
633-AT4153-025

NKK Switches

Switch Fixings FLAT KEY FOR CKL

Datasheet

8In Stock

$4.53

$4.10

$3.94

$3.83

View

Min.: 1
Mult.: 1

Hardware

Key

Keylock Switches

CK Series

Bulk

Switch Fixings SWITCH TOGGLE

AT4181C-ASSEMBLY
NKK Switches
1: $6.23
7In Stock

Mfr. Part No.
AT4181C-ASSEMBLY

Mouser Part No
633-AT4181C-ASSEMBLY

NKK Switches

Switch Fixings SWITCH TOGGLE

Datasheet

7In Stock

$6.23

$6.13

$5.93

$5.76

$5.68

Min.: 1
Mult.: 1

Switch Fixings 6MM SPLASHPROOF BOOT

AT428M
NKK Switches
1: $3.58
85In Stock

Mfr. Part No.
AT428M

Mouser Part No
633-AT428M

NKK Switches

Switch Fixings 6MM SPLASHPROOF BOOT

Datasheet

85In Stock

$3.58

$3.27

$3.21

$2.96

View

Min.: 1
Mult.: 1

Hardware

Boot

Toggle Switches

D2, M, P Series

Snap On

Bulk

Switch Fixings RED RECTANGLE INSERT

AT452C
NKK Switches
1: $1.24
98In Stock

Mfr. Part No.
AT452C

Mouser Part No
633-AT452C

NKK Switches

Switch Fixings RED RECTANGLE INSERT

Datasheet

98In Stock

$1.24

$1.12

$1.09

$1.05

View

Min.: 1
Mult.: 1

Indicators

Lens

Pushbutton Switches

MB20, SCB Series

Snap In

Switch Fixings BLUE RECTANGULAR INSERT FOR MB20, SCB

AT452G
NKK Switches
1: $1.05
143In Stock

Mfr. Part No.
AT452G

Mouser Part No
633-AT452G

NKK Switches

Switch Fixings BLUE RECTANGULAR INSERT FOR MB20, SCB

Datasheet

143In Stock

$1.05

$0.978

$0.952

$0.924

$0.862

Min.: 1
Mult.: 1

Indicators

Lens

Pushbutton Switches

MB20, SCB Series

Snap In

Switch Fixings END BARRIER LB SERIES

AT497
NKK Switches
1: $1.98
33In Stock

Mfr. Part No.
AT497

Mouser Part No
633-AT497

NKK Switches

Switch Fixings END BARRIER LB SERIES

Datasheet

33In Stock

$1.98

$1.87

$1.77

$1.73

View

Min.: 1
Mult.: 1

Hardware

Spacer

Pushbutton Switches

LB Series

Snap On

Switch Fixings CENTER BARRIER FOR LB

AT498
NKK Switches
1: $2.07
28In Stock

Mfr. Part No.
AT498

Mouser Part No
633-AT498

NKK Switches

Switch Fixings CENTER BARRIER FOR LB

Datasheet

28In Stock

$2.07

$1.88

$1.80

$1.75

View

Min.: 1
Mult.: 1

Hardware

Spacer

Pushbutton Switches

LB Series

Snap On

Switch Fixings METRIC THREADED KNURLED FACE NUT

AT501M
NKK Switches
1: $0.70
35In Stock

Mfr. Part No.
AT501M

Mouser Part No
633-AT501M

NKK Switches

Switch Fixings METRIC THREADED KNURLED FACE NUT

Datasheet

35In Stock

$0.70

$0.689

$0.635

$0.618

View

Min.: 1
Mult.: 1

Hardware

Nut

D2, DB, EB, M, MB20, MB24, P Series

Screw

Bulk

Switch Fixings 12MM HEX FACED NUT

AT503M
NKK Switches
1: $0.73
197In Stock

Mfr. Part No.
AT503M

Mouser Part No
633-AT503M

NKK Switches

Switch Fixings 12MM HEX FACED NUT

Datasheet

197In Stock

$0.73

$0.689

$0.643

$0.633

View

Min.: 1
Mult.: 1

Hardware

Nut

M, P, S, SB, WB, WT Series

Screw

Bulk

Switch Fixings KNURLED FACE NUT

AT504M
NKK Switches
1: $0.72
123In Stock

Mfr. Part No.
AT504M

Mouser Part No
633-AT504M

NKK Switches

Switch Fixings KNURLED FACE NUT

Datasheet

123In Stock

$0.72

$0.671

$0.667

$0.651

View

Min.: 1
Mult.: 1

Hardware

Nut

M, P, S, SB, SCB, WB, WT Series

Screw

Bulk

Switch Fixings 12MM LOCKING RING

AT506M
NKK Switches
1: $0.58
395In Stock

Mfr. Part No.
AT506M

Mouser Part No
633-AT506

NKK Switches

Switch Fixings 12MM LOCKING RING

Datasheet

395In Stock

$0.58

$0.531

$0.509

$0.497

View

Min.: 1
Mult.: 1

Hardware

Washer

Pushbutton Switches

M, MB20, P, SB Series

Bulk

Switch Fixings IMPERIAL THREADS

AT507H
NKK Switches
1: $0.44
47In Stock
400Expected 16/02/2026

Mfr. Part No.
AT507H

Mouser Part No
633-AT507H

NKK Switches

Switch Fixings IMPERIAL THREADS

Datasheet

47In Stock

400Expected 16/02/2026

$0.44

$0.389

$0.378

$0.367

View

Min.: 1
Mult.: 1

Hardware

Washer

D2, DB, EB, M, MB20, MB24, MB25, MR, P Series

Switch Fixings METRIC LOCKING RING

AT507M
NKK Switches
1: $0.58
168In Stock

Mfr. Part No.
AT507M

Mouser Part No
633-AT507M

NKK Switches

Switch Fixings METRIC LOCKING RING

Datasheet

168In Stock

$0.58

$0.474

$0.459

$0.458

View

Min.: 1
Mult.: 1

Ring

D2, DB, EB, M, MB20, MB24, MB25, MR, P Series

Switch Fixings INT TOOTH LOCKWSHR

AT509
NKK Switches
1: $0.58
801In Stock

Mfr. Part No.
AT509

Mouser Part No
633-AT509

NKK Switches

Switch Fixings INT TOOTH LOCKWSHR

Datasheet

801In Stock

$0.58

$0.532

$0.511

$0.497

View

Min.: 1
Mult.: 1

Washer

D2, DB, EB, FR01, M, MB25, MR, P, S, SB Series

Switch Fixings CONICAL NUT 6mm DIA

AT512CM
NKK Switches
1: $3.06
59In Stock

Mfr. Part No.
AT512CM

Mouser Part No
633-AT512CM

NKK Switches

Switch Fixings CONICAL NUT 6mm DIA

Datasheet

59In Stock

$3.06

$2.84

$2.76

$2.71

View

Min.: 1
Mult.: 1

Hardware

Nut

Pushbutton Switches, Miniature

EB, MB20 Series

Screw

Switch Fixings 1/4"X40 CONICAL NUT

AT512H
NKK Switches
1: $2.14
117In Stock
530Expected 16/03/2026

Mfr. Part No.
AT512H

Mouser Part No
633-AT512H

NKK Switches

Switch Fixings 1/4"X40 CONICAL NUT

Datasheet

117In Stock

530Expected 16/03/2026

$2.14

$1.94

$1.88

$1.82

View

Min.: 1
Mult.: 1

Hardware

Nut

Pushbutton Switches, Miniature

EB, MB20 Series

Screw

Switch Fixings INCH THREAD CONICAL NUT W/ BLACK FINISH

AT512H/3
NKK Switches
1: $3.02
13In Stock

Mfr. Part No.
AT512H/3

Mouser Part No
633-AT512H/3

NKK Switches

Switch Fixings INCH THREAD CONICAL NUT W/ BLACK FINISH

Datasheet

13In Stock

$3.02

$2.92

$2.84

$2.75

View

Min.: 1
Mult.: 1

Hardware

Nut

Pushbutton Switches, Miniature

EB, MB20 Series

Screw

Switch Fixings NUT CONICAL METRIC

AT512M
NKK Switches
1: $1.58
3In Stock

Mfr. Part No.
AT512M

Mouser Part No
633-AT512M

NKK Switches

Switch Fixings NUT CONICAL METRIC

Datasheet

3In Stock

$1.58

$1.47

$1.42

$1.40

View

Min.: 1
Mult.: 1

Hardware

Nut

Pushbutton Switches, Miniature

EB, MB20 Series

Screw

Switch Fixings 1/4-40 HEX NUT

AT513H
NKK Switches
1: $0.78
171In Stock

Mfr. Part No.
AT513H

Mouser Part No
633-AT513H

NKK Switches

Switch Fixings 1/4-40 HEX NUT

Datasheet

171In Stock

$0.78

$0.69

$0.676

$0.673

View

Min.: 1
Mult.: 1

Hardware

Nut

Pushbutton Switches

M, MB20, MB24 Series

Screw

Switch Fixings HEX NUT FOR SERIES B EB FR01 M MB20

AT513M
NKK Switches
1: $0.73
148In Stock

Mfr. Part No.
AT513M

Mouser Part No
633-AT513M

NKK Switches

Switch Fixings HEX NUT FOR SERIES B EB FR01 M MB20

Datasheet

148In Stock

$0.73

$0.683

$0.674

$0.65

View

Min.: 1
Mult.: 1

Hardware

Nut

B, D2, DB, EB, FR01, M, MB20, MB25, MR, P Series

Screw

Bulk

Switch Fixings INCH LOCKING RING FOR D FLAT BUSHING

AT515H
NKK Switches
1: $0.58
100In Stock

Mfr. Part No.
AT515H

Mouser Part No
633-AT515H

NKK Switches

Switch Fixings INCH LOCKING RING FOR D FLAT BUSHING

Datasheet

100In Stock

$0.58

$0.529

$0.508

$0.493

View

Min.: 1
Mult.: 1

Ring

DIP Switches

FR01, M, MB24 Series

Bulk

Switch Fixings METRIC LOCKING RING FOR D-FLAT BUSHING

AT515M
NKK Switches
1: $0.46
708In Stock

Mfr. Part No.
AT515M

Mouser Part No
633-AT515M

NKK Switches

Switch Fixings METRIC LOCKING RING FOR D-FLAT BUSHING

Datasheet

708In Stock

$0.46

$0.431

$0.414

$0.402

View

Min.: 1
Mult.: 1

Ring

DIP Switches

FR01, M, MB24 Series

Switch Fixings O-RING

AT516
NKK Switches
1: $0.97
161In Stock

Mfr. Part No.
AT516

Mouser Part No
633-AT516

NKK Switches

Switch Fixings O-RING

Datasheet

161In Stock

$0.97

$0.908

$0.879

$0.864

View

Min.: 1
Mult.: 1

Hardware

O-Ring

Pushbutton Switches

M, MB20 Series

AT Series Switch Fixings

Customer Service Office

Company

Resources

Support

Adapter, PCB
Barrier
Boot
Bracket
Contact
Coupler
Cover
Diffuser, Translucent
Extractor
Film Insert
Frame
Guard
Key
Kit
Knob
LED
Lens
Mount
Mounting Bracket
Name Plate

A, AB Series
B, D2, DB, EB, FR01, M, MB20, MB25, MR, P Series
CK Series
D2, DB, EB, FR01, M, MB25, MR, P, S, SB Series
D2, DB, EB, M, MB20, MB24, MB25, MR, P Series
D2, DB, EB, M, MB20, MB24, P Series
D2, M, P Series
DSA01 Series
EB, M, MB20, MB24, P Series
EB, MB20 Series
EB Series
E-Stop Switches
FB Series
FR01, M, MB24 Series
FT Series
GB2 Series
HB, KB, LB, UB, YB Series
HB2 Series
HB Series
JB Series