Operating instructions

Bind SEMS Screw
Pan SEMS Screw
Triple Screw
Hex Socket Head Screw
Flat Countersunk Head
Screw
Binding Head Screw
Pan Head Screw
Oval Countersunk Head
Screw
Pan Screw with Spring
Washer and Flat Washer
Flat Head Socket
Cap Screw
Truss Head Screw
Tapping Pan Head Screw
Tapping Flat Countersunk
Head Screw
Hex Socket Headless
Set Screw, Flat
Hex Socket Headless
Set Screw, Pinpoint
Button Head Socket
Cap Screw
Hex Head Bolt
Hex Nut
Flat Washer
Spring Washer
Retaining Ring, E-type
Retaining Ring, C-type,
Outer
Retaining Ring, C-type,
Inner
Lock Washer
Spring Pin
BS
PS
TS
C
F
B
P
O
PZ
FC
T
TP
TF
S
SP
BC
H
N
W
E
SW
LW
CO
CI
Name Code Name Code
Hardware
Code
L
D
L
D
Example 1: Screw
BS 3 x 6 N
Plating
L: Length (mm)
D: Diameter of Thread (mm)
Code
No indication: Zinc
N: Nickel
B: Black Zinc
K: Black Nickel
Example 2: Washer
3 SW
D: Diameter (mm)
Stainless Steel Washer SSW
Flat Head Wood Screw FWS
Fiber Washer FW
Knob Washer KW
All screws conform to ISO standard, and have a cross-recessed head, unless otherwise noted.
ISO screws have a point inscribed in the head.
SPN
Section 9 Exploded Views and Parts Lists
9 - 32
October 1990
MTR-90III Operation and Maintenance Manual