8557 Keystone Electronics, 8557 Datasheet

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8557

Manufacturer Part Number
8557
Description
KNOB INSTRUM SKIRTED RND 1.25"D
Manufacturer
Keystone Electronics
Type
Knurled, Straightr
Datasheet

Specifications of 8557

Diameter
1.250" (31.80mm)
Shaft Size
0.250" (6.35mm)
Style
Cylindrical
Height
0.850" (21.50mm)
Indicator
Line on Top
Color
Black
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
8557K

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Part Number
Manufacturer
Quantity
Price
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855715
Manufacturer:
HX
Quantity:
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Part Number:
855728
Manufacturer:
LT
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Part Number:
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Part Number:
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Part Number:
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84
SPECIFICATIONS
Knob: ABS
Inlay: Spun Aluminum
Insert: Brass, Nickel Plate
MATERIAL:
Finish: Black - Black Anodize
MATERIAL:
Insert: Brass, Nickel Plate
Clear - Clear Anodize
Aluminum, 6061
ABS
Tel (718) 956-8900
(800) 221-5510
M
H
C
H
C
H
H
C
H
M
C
H
M
C
H
M
C
C
I.D.
I.D.
Fax (718) 956-9040
kec@keyelco.com
D
D
I.D.
D
I.D.
I.D.
I.D.
I.D.
D
D
D
D
L
L
L
L
L
B
B
B
L
B
B
L
CLEAR
8512
8514
8516
8518
8540
8542
8544
8546
B
CAT.
NO.
B
8528
8529
8530
8531
CAT.
NO.
INSTRUMENTATION KNOBS
8554
8555
8556
8557
8558
8559
8560
8561
8567
8568
8569
8565
8566
CAT.
NO.
All knobs supplied with two set screws installed
All knobs supplied with two set screws installed
All knobs supplied with two set screws installed
BLACK
8513
8515
8517
8519
8541
8543
8545
8547
CAT.
NO.
RoHS COMPLIANT
.125 (3.2)
.250 (6.4)
.250 (6.4)
.250 (6.4)
.125 (3.2)
.250 (6.4)
.250 (6.4)
.250 (6.4)
.125 (3.2)
.250 (6.4)
.250 (6.4)
.250 (6.4)
.250 (6.4)
SHAFT
(DIA.)
.125 (3.2)
.250 (6.4)
.125 (3.2)
.250 (6.4)
.125 (3.2)
.250 (6.4)
.125 (3.2)
.250 (6.4)
.250 (6.4)
.250 (6.4)
SHAFT
.125 (3.2)
.125 (3.2)
(DIA.)
SHAFT
(DIA.)
1.250 (31.8)
1.250 (31.8)
.505 (12.8)
.905 (23.0)
.505 (12.8)
.905 (23.0)
.505 (12.8)
.905 (23.0)
.905 (23.0)
.700 (17.8)
.700 (17.8)
.700 (17.8)
.700 (17.8)
~
(DIA.)
.500 (12.7) .630 (16.0)
.500 (12.7) .630 (16.0)
.750 (19.1) .630 (16.0)
.750 (19.1) .630 (16.0)
.500 (12.7) .630 (16.0) .375 (9.5)
.500 (12.7) .630 (16.0) .375 (9.5)
.750 (19.1) .630 (16.0) .510 (13.0)
.750 (19.1) .630 (16.0) .510 (13.0)
D
(DIA.)
ISO 9001 CERTIFIED
D
.520 (13.2)
.520 (13.2)
.720 (18.3)
.720 (18.3)
(DIA.)
KNOB DIMENSIONS
D
1.010 (25.7)
1.010 (25.7)
(HEIGHT)
.660 (16.8)
.780 (19.8)
.850 (21.6)
.660 (16.8)
.780 (19.8)
.850 (21.6)
.790 (20.1)
.790 (20.1)
.510 (13.0)
.610 (15.5)
.610 (15.5)
(HEIGHT) (MAX.)
H
®
H
(HEIGHT)
.620 (15.7)
.620 (15.7)
.620 (15.7)
.620 (15.7)
H
.450 (11.4)
.350 (8.9)
.460 (11.7)
.590 (15.0)
.575 (14.6)
.763 (19.4)
.919 (23.3)
.575 (14.6)
.763 (19.4)
(MAX.)
M
M
(LOCATION)
.250 (6.4)
.250 (6.4)
31-07 20th Road – Astoria, NY 11105-2017
ATTACHMENT DETAILS
.187 (4.7)
.187 (4.7)
(LOCATION)
ATTACHMENT DETAILS
.295 (7.5)
.295 (7.5)
.295 (7.5)
.295 (7.5)
.320 (8.1)
.320 (8.1)
.320 (8.1)
.320 (8.1)
L
(LOCATION)
SHAFT ATTACHMENT
.308 (7.8)
.357 (9.1)
.480 (12.2)
.400 (10.2)
.308 (7.8)
.357 (9.1)
.480 (12.2)
.400 (10.2)
.260 (6.6)
.260 (6.6)
.158 (4.0)
.187 (4.7)
.187 (4.7)
L
www.keyelco.com
SHAFT
L
SHAFT
DETAILS
(DEPTH)
.560 (14.2)
.560 (14.2)
.520 (13.2)
.520 (13.2)
.510 (13.0)
.510 (13.0)
.510 (13.0)
.510 (13.0)
.510 (13.0)
.510 (13.0)
.510 (13.0)
.510 (13.0)
(DEPTH)
B
(DEPTH)
.555 (14.1) .360 (9.1)
.555 (14.1) .485 (12.3)
.605 (15.4)
.555 (14.1) .360 (9.1)
.555 (14.1) .485 (12.3)
.605 (15.4)
.405 (10.3)
.405 (10.3)
.520 (13.2)
.405 (10.3)
.520 (13.2)
.740 (18.8)
.740 (18.8)
B
B
.430 (10.9)
.430 (10.9)
.625 (15.9)
.625 (15.9)
(INSIDE
.590 (15.0)
.590 (15.0)
.590 (15.0)
.590 (15.0)
.375 (9.5)
.375 (9.5)
.375 (9.5)
.375 (9.5)
INSIDE
DIA.)
(DIA.)
I.D. INSIDE C (COUNTER
.485 (12.3)
.485 (12.3)
.640 (16.3)
.750 (19.1)
.640 (16.3)
.750 (19.1)
.435 (11.0)
.640 (16.3)
.640 (16.3)
I.D.
I.D.
(DIA.)
NUT CLEARANCE
CLEARANCE
CLEARANCE
NUT
NUT
(COUNTER
(COUNTER
.168 (4.3)
.168 (4.3)
.168 (4.3)
.168 (4.3)
.120 (3.0)
.120 (3.0)
.120 (3.0)
.120 (3.0)
.030 (0.8)
.030 (0.8)
.070 (1.8)
.070 (1.8)
.250 (6.4)
.250 (6.4)
.188 (4.8)
.320 (8.1)
.188 (4.8)
.320 (8.1)
.026 (.66)
.026 (.66)
.026 (.66)
BORE)
.177 (4.5)
.177 (4.5)
.114 (2.9)
.114 (2.9)
BORE)
BORE)
C
C

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