Mechanical
Parts
list-Type
453/R453
FIG. 2 ATTENUATOR
PREAMPLIFIER
ASSEMBLY
(cont}
Fig. &
Q
Index
Tektronix
Serial/Model
No.
t
Description
No.
Part No.
Eff
Disc
y
l 2 3 4 5
-2
61
0-0473-01
22530
ASSEMBLY,
attenuator chassis
------
assembly includes:
337-07
69-00
X22530
2.
SHIELD,
attenuator
131-0180-00
1
CONNECTOR,. terminal
------
mounting hardware: (not shown w/connector)
358-0135-00
BUSHING,
plastic
(not
shown)
260-0621-00
SWITCH,
lever-AC
GND
DC
------
mounting hardware: (not included w /switch)
211-0105-00
2
SCREW,
4-40
x
3
/
16
inch,
100°
csk,
FHS
210-0004-00
2
LOCKWASHER,
internal,
#4
210-0406-00
2
NUT,
hex.,
4-40
x
3
/
16
inch
214-0456-00
5
FASTENER,
press, plastic
441-0539-00
1
CHASSIS,
attenuator
343-0001
-00
X24830
1
CLAMP,
cable, plastic
210-0851-00
X24830
1
WASHER,
flat,
0.119
ID
x %
inch
OD
-15
378-0541
-00
2
FILTER,
lens,
clear
-16
352-0067-00
2
HOLDER,
neon,
~ingle
------
mounting harware for each: (not included w/h01der)
-17
211-0109-00
1
SCREW,
4-40
x
7/s
inch, 100°
csk,
FHS
21
0-0406-00
2
NUT,
hex.,
4-40
x
3
/i.
6
inch
(not shown)
-18
------
2
RESISTOR,
variable
------
mounting hardware: (not included w/resistor)
-19
210-0583-00
1
NUT,
hex.,
1
/
4
-32
x
5
/M
inch
-20
386-0225-00
1
PLATE,
attenuator
-21
262-0727-01
SWITCH,
wired-MODE
------
switch includes:
260-0695-01
1
SWITCH,
unwired
-22
131-0371-00
8 CONNECTOR, single contact, female
-23
407-0157-00
1
BRACKET,
switch
-24
210-0012-00
2
LOCKWASHER,
internal,
3/a
ID
x %
inch
OD
-25
21
0-0413-00
1
NUT,
hex.,
3/a-32
x
1
/
2
inch
-26
384-0679-00
2
SHAFT,
extension
-27
37
6-0050-00
2
ASSEMBLY,
coupling
------
each assembly includes:
354-0251-00
2
RING,
coupling
37
6-0046-00
1
COUPLING,
plastic
213-0022-00
4
SCREW,
set,
4-40
x
3
/
16
inch,
HSS
-28
384-0360-00
2
ROD,
extension, w/gray knob
-29
376-0029-00
20000
21219
2
COUPLING,
shaft
37
6-0053-00
21220
l
COUPLING, shaft
------
each coupling includes:
213-0048-00
2
SCREW,
set,
4-40
x
1
/
8
inch,
HSS
-30
348-0056-00
1
GROMMET,
plastic, %
inch
diameter
-31
337-077
4-00
1
SHIELD,
attenuator, side
------
mounting hardware: (not included w/shield)
210-0586-00
2
NUT,
keps,
4-40
x
1
/
4
inch
(not shown)
-32
337-0768-01
SHIELD,
attenuator, center
------
mounting hardware: (not included w/shield)
210-0201-00
1
LUG,
solder,
SE
# 4 (not shown)
210-0586-00
4
NUT,
keps,
4-40
x
1
/
4
inch
(not shown)
-33
337-0769-00
20000
22529X
2
SHIELD,
attenuator
-34
384-0357-00
1
ROD,
extension, w /knob
©
9-9
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