Abbreviations
Explanation
the repair part belongs, i.e., engine, engine as-
cushd
cushioned
sembly, transmission, transmission assembly. This
cvx
convex
necessary since illustrations are prepared for sub-
cylindrical
cyl
functional groups, and listings are divided into
diag
diagonal
the same groups.
drive
dr
dwl
dowel
(2) Second. Find the illustration covering
el
elevation
the subfunctional group to which the repair part
elec
electrical
belongs.
external
ext
fillister head
filh
(3) Third. Identify the repair part on the
fl
flat
illustration and note the illustration figure and
flh
flat head
item number of the repair part.
fl intl t
flat internal tooth
finish
fnsh
(4) Fourth. Using the Repair Parts Listing,
flat point
fp
find the subfunctional group to which the repair
grooved
grvd
part belongs and locate the illustration figure and
high
h
head
hd
item number noted on the illustration.
headless
hdls
b. When Federal stock number or reference
hardened
hdnd
hexagon
number is known:
hex
hexagon head
hex hd
(1) First. Using the index of Federal Stock
hexagon socket
hex soc
Numbers and Reference Numbers find the perti-
helical
hlcl
housing
nent Federal stock number or reference number.
hsg
inside diameter
id
This index is in ascending FSN sequence followed
indicating
ind
by a list of reference numbers in ascending al-
insulation
insul
phameric sequence, cross-referenced to the illus-
internal tooth
intl t
tration figure number and item number.
irregular
irreg
knurled
knrld
(2) Second. Using the Repair Part Listing,
l
long
find the subfunctional group of the repair part
length
lg
and the illustration figure number and item num-
limit
lim
ber referenced in the Index of Federal Stock
litter
lit
link
Numbers and Reference Numbers.
lk
locking
lkg
light
lt
6. Abbreviations.
lighting
ltg
lever
lvr
Explanation
Abbreviations
acs
access
maximum
max
actg
actuating
metal
met
al aly
minimum
aluminum alloy
min
al stl
aluminum steel
mount
mt
alloy
mounting
aly
mtg
aly stl
metallic
alloy steel
mtlc
amp
amperage
music wire
muw
anld
notched
annealed
nch
nominal
ar
as required
nom
base
nylon
b
nyl
brs
outside
brass
od
brsit
boresight
offset
ofs
brz
pole
bronze
P
cadmium plated
cd pld
perforated
perfd
chassis
periscope
chas
peris
clamp
phosphor bronze
ph brz
clP
clear, color
plain
clr
pl
connection
conn
plastic
plstc
contact, control
cont
pan head
pnh
copper
panel
cop
pnl
coupling
cplg
prng
compression
cprsn
protective
prot
corrosion resistant steel
cres
passivated finish
psvt fnsh
carbon steel
cs
power
pwr
casting
cstg
quadrant
qdrnt
center
ctr
ring
r
ctsk
countersunk
rubber
rbr