MB2000 datasheet(8/23 Pages) NKK

8 / 23 page

Series MB2000

Bushing Mount Miniature Pushbuttons

C79

www.nkkswitches.com

HARDWARE

AT516

O-ring for

Splashproof Bushing

1 included with

each splashproof model

Material:

Nitrile butadiene rubber

AT509

Lockwasher

1 included with each switch

(not with splashproof models)

Material:

Steel with Zinc/Chromate

Optional Mounting Collars/Conical Nuts

AT4042H for Inch

AT4042M for Metric

Boot for Alternate

Material:

Silicone rubber

Dimension A = Cap Height

.091” (2.3mm) for Momentary with Plunger Code S

.157” (4.0mm) for Alternate with Plunger Code S

.142” (3.6mm) for Momentary & Alternate with Plunger Code L

AT507H for Inch

AT507M for Metric

Locking Ring

Material:

Steel with Zinc/Chromate

(9.0)

.354

(1.5)

.059

(1.7)

.067

(0.8)

.031

(6.4) Dia

.252

(10.2) Dia

.402

(0.5)

.020

Standard Hardware

Optional Hardware

AT4041H for Inch

AT4041M for Metric

Boot for Momentary

Material:

Silicone rubber

Optional Splashproof Boots for S Plunger

Operating Life 100,000

Boots for momentary devices

are accompanied by a threaded

adaptor which extends the length

of the plunger.

Operating Life 30,000

AT512CH for Inch

AT512CM for Metric

Conical nut

Used with .394” (10.0mm)

Diameter Cap (cap code C)

Material:

Brass with chrome plating

AT512H for Inch

AT512M for Metric

Conical Nut

Used with .315” (8.0mm)

Diameter Cap (cap code B)

Material:

Brass with chrome plating

M6 P0.75 or

1/4-40 Thd

M2.3 P0.4

AT513H for Inch

AT513M for Metric

Hexagon Nut

2 included with each switch

(1 with splashproof models)

Material:

Brass with Nickel plating

(9.63) Dia

.379

(6.07) Dia

.239

(10.0)

.394

(8.5)

.335

(13.0) Dia

.512

(10.5) Dia

.413

(4.0) Max

.157

(10.0)

.394

(10.0)

.394

(12.2) Dia

.480

(4.0) Max

.157

(14.0) Dia

.551

(10.8)

.425

(8.5)

.335

(10.0)

.394

(4.9) Dia

.193

(6.0) Dia

.236

(4.0) Max

.157

(3.5) Min

.138

(10.8)

.425

(8.5)

.335

(10.0)

.394

(4.9) Dia

.193

(6.0) Dia

.236

(4.0) Max

.157

(3.5) Min

.138

(1.78)

.070

(5.5) or

.229

(6.0) Dia or

.250

(12.0) Dia

.472

(2.0)

.079

(8.0)

.315

1/4-40 Thd or

M6 P0.75

Optional Conical Nuts fit with all 8.5mm bushing options except

the D3 & S2 bushings.

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