Tektronix 491 - Page 139

PARTS LIST ABBREVIATIONS
BHB
BHS
cap.
cer
comp
corm
CRT
csk
DE
dia
div
elect.
EMC
EMT
ext
F&I
FHB
FHS
Fil
HB
Fil HS
h
hex.
HHB
HHS
HSB
HSS
ID
incd
binding head brass
binding head steel
capacitor
ceramic
composition
connector
cathode-ray tube
countersunk
double end
diameter
division
electrolytic
electrolytic, metal cased
electrolytic, metal tubular
external
focus and intensity
flat head brass
flat head steel
fillister head brass
fillister head steel
height or high
hexagonal
hex head brass
hex head steel
hex socket brass
hex socket steel
inside diameter
incandescent
int
lg
met.
mtg hdw
OD
OHB
OHS
PHB
PHS
plstc
PMC
poly
prec
PT
PTM
RHB
RHS
SE
SN or S/N
Sw
TC
THB
thk
THS
tub.
var
w
WW
internal
length or long
metal
mounting hardware
outside diameter
oval head brass
oval head steel
pan head brass
pan head steel
plastic
paper, metal cased
polystyrene
precision
paper, tubular
paper or plastic, tubular, molded
round head brass
round head steel
single end
serial number
switch
temperature compensated
truss head brass
thick
truss head steel
tubular
variable
wide or width
wire-wound
6 -A