MECHANICAL PARTS LIST
ABBREVIATIONS
Replacement parts
should be ordered from the
Tektronix Field
Office or Representative in your area.
Changes
to
Tektronix
products give you the benefit of improved circuits and components. Please include
the
instrument type number and serial number with each order for parts or service.
BHB
binding
head
brass
h
height
or
high
OHB
oval
head brass
BHS
binding head
steel
hex.
hexagonal
OHS
oval
head steel
CRT
cathode-ray
tube
HHB
hex
head brass
PHB
pan
head
brass
csk
countersunk
HHS
hex
head steel
PHS
pan
head
steel
DE
double
end
HSB
hex
socket brass
RHS
round
head steel
FHB
flat
head brass
HSS
hex
socket
steel
SE
single
end
FHS
flat
head steel
ID
inside
diameter
THB
truss
head
brass
Fil
HB
fillister
head brass
ig
length
or
long
THS
truss
head
steel
Fil
HS
fillister
head steel
OD
outside
diameter
w
wide
or
width
Fig.
&
Q
Index
Tektronix
Serial/Model
No.
t
No.
Part
No.
Eff
Disc
y
12 3 4
5
Description
1-1
366-0494-00
1
KNOB,
gray--TRIGGER LEVEL
-
knob
includes:
213-0153-00
1
SETSCREW,
5-40 x 0.125 inch, HSS
-2
366-1031-00
1
KNOB,
red--DISPLAY TIME
-
knob
includes:
213-0153-00
1
SETSCREW,
5-40 x 0.125
inch, HSS
-3
366-1165-00
1
KNOB,
gray--MEASUREMENT INTERVAL
-
knob
includes:
213-0153-00
2
SETSCREW,
5-40 x 0.125
inch, HSS
-4
366-1422-00
1
KNOB,
latch
-5
366-1257-30
1
PUSHBUTTON--RES
ET
366-1402-01
1
PUSHBUTTON--START
-6
366-1402-00
1
PUSHBUTTON-
-X5
366-1257-87
1
PUSHBUTTON--X10
-7
131-0955-00
2
CONNECTOR,
receptacle, BNC, w/hardware (See J100 &
-
J180 electrical list)
-
mounting hardware
for each: (not included
w/connector)
-8
210-0255-00
1
TERMINAL, lug,
0.391 inch ID, SE
RESISTOR,
variable (See R135 electrical list)
mounting
hardware:
(not included with resistor)
NUT,
hex., 0.25-32 x 0.312 inch
WASHER,
flat, 0.25 ID
x 0.375 inch OD
-12
426-0681-00
4
-13
426-0916-00
1
-14
331-0314-00
1
-15
337-1399-00
2
-16
333-1653-00
1
-17
211-0159-00
2
-18
210-0405-00
2
FRAME, pushbutton
FRAME,
readout window
WINDOW,
readout
SHIELD, electrical,
side
PANEL, front
mounting
hardware:
(not included
with panel)
SCREW,
2-56 x 0.375
inch, PHS
NUT,
hex.,
2-56 x 0.188 inch
Summary of Contents for DC 502
Page 4: ...DC 502...
Page 24: ...39 39 Relocated on back of board SN B070000 REV MAY 1974...
Page 33: ...FIG 1 EXPLODED...