Pioneer SX-1250 Service Manual page 38

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1 1 . E X P L O D E D V I E W S
NOMENCLATURE OF SCREWS, WASHERS AND NUTS
The following symbols stand for screws, washers and nuts as shown in exploded view.
Sytnbol
De.cription
Shapo
Braziar h€ed tapping scraw
(l-t-,
\J-
PT
Pan hg6d tapping acrew
fh--l
\l-'
BT
Binding h€ad tapping scr€w
F
CT Countorsunk hoad tapping 3crew
t\rr'''
TT
Trur3 head tapping screw
F
ocT
Oval counteraunk head tapping F
PM
Psn ho€d machins screw
F
CM
Countgriunk h6ad machin6 F
ocM
Oval countor{nk head F
TM
Truss hoad machine screw
F
BM
Binding head machine scrow
Sr=
PSA
Pan hsad scr6w with spring
Gl=
PSB
Pan head scr6w with spring
lock waahsr and flat wa3har
q-
P S F Pao head 3cro$, $rith flat washor
qtr
)
EXAMPLE
PM 3x8
T T - * r t h i n m m ( / )
I
L
diameter in mm ( d )
r
Symbol
Symbol Deacription
Shap6
EW
E type washer
/fr
{ l
Flat wash€r
o I
sw
Spring lock ltasher
A {
\:,
I
N
Nut
@ E
Washer faced nut
@ t r
rTw
lntornel toothod lock washer
@ l
oTw
Outernal roothed lock washer
# t
sc
slotted s€t screw (Cone pointl
C E D
S F Slotted s€t sdrew {Flat oointl
C D
H S
H6x6gon sockat headless s€t
o @
ocw
Oval countersunk head wood
cw
Count€rsunk h€ed wood screw
BW
Round head wood screw
,
FC,
Lr -.1
(]r1-_+
' 1 i r
F l - r
9d,,1r
l .
- . I '
- r - T
r
. ,
I ,
I I
I
t h i c k n e s s i n m m ( r |
- ,
I
I
o'"meter in mm (d )
f--J
l -
- S Y m b o l
40