Epson SQ-B50/2550 Technical Manual page 169

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Screw designation
All small parts, such as screws and washers, are indicated by abbreviated names.
Table 4-5. Abbreviations List of Small Parts
Abbreviation
Part Name
CS
Cup Screw
CB
Cross-Bind-head screw
CBO
Cross-Bind-head with Outside-toothed washer
CBB
Cross-Bind-head B-tight
CBS
Cross-Bind-head S-tight
CBS (0)
Cross-Bind-head S-tight with Outside-toothed washer
CPS
Cross-Pan-head with Spring washer
CPS (0)
Cross-Pan-head S-tight with Outside-toothed washer
CPS (P)
Cross-Pan-head with S-tight with Plain washer
CP (0)
Cross-Pan-head with Outside-toothed washer
CP (P)
Cross-Pan-head with Plain washer
HNO
Hexagon Nut with Outside toothed lock washer
PW
Plain Washer
LS
Leaf Spring
RE
Retaining ring type-E
Table 4-6. Form and Abbreviated Part Name of Screw
Head
Body
Washer
(assembled)
Top
Side
1.~ross-recessed
head 1.Bind
1.Normal
1.Plain washer
p
-
0
@
~
@
@:::3
2. §-tight
2.Slotted head
(with
~otch)
2. Outside toothed
I
1\
0
lock washer
8
2.Pan
3.
~-tight
g
~
~
\\\\
0
3.~up
4·Iapping
3.§pring washer
p
-
0
©WP
4.Iruss
(]o
IIr!3
6)
4-7
REV.-A

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