Tektronix 491 - Section 2: Operating Instructions

ITEM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
PART NUMBER
331-0176-03
175-1529-00
386-1139-00
119-0108-01
407-0295-00
407-0294-00
213-0075-00
260-0821-00
337-0880-00
119-0063-01
175-1530-00
407-1545-00
384-0425-00
211-0062-00
211-0012-00
210-0004-00
211-0504-00
407-1546-00
210-0006-00
211-0098-00
213-0004-00
210-0405-00
210-0053-00
131-0391-00
176-0124-00
211-0564-00
175-1531-00
211-0008-00
670-0523-08
211-0116-00
376-0029-00
376-0099-00
384 .. 1265-00
QUANTITY
1
1
1
1
1
1
4
1
1
1
1
1
1
1
3
8
2
1
6
1
2
3
3
4
As Req.
2
1
4
1
2
1
1
1
DESCRIPTION
Dial Assembly Tape
Cable Assembly, Elec (LO)
Plate Mounting Oscillator
Oscillator Assembly, RF
Support, Oscillator
Bracket, Oscillator
Screw, 4-40 x .094 Socket Head
Switch Lever
Shield Rotary Switch
Oscillator, Cavity
Cable Assembly, Elec (Lock)
Bracket, Angle (Oscillator Front)
Rod, Coupling
Screw, 2-56 x .312 PH
Screw, 4-40 x .375 PH
Lockwasher, #4 Internal
Screw, 6-32 x 250
Bracket, Angle (Oscillator Rear)
Lockwasher, #6 Internal
Screw, 4-40 x .375 Button Head
Screw, 6-32 x .188 Socket Head Set
Hex Nut, 2-56 x .188.
Lockwasher, #2 Split
Connector, coax
Wire, .0508 #16 AWG Dia, Tinned CU
Screw, 6-32 x .375 Socket Head
Cable, Assembly, Elec.
Screw, 4-40 x .250 PH
Oscillator Connector Circuit Board
Screw, 4-40 x .312 Assembly washer
Coupler
Coupler
Shaft
I
I
II
r.;:vL.o...icr u~. CN-,..)
~·~
FIG. 1 A
Fig. 2
050-0692-01
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