246
Fittings
Section 8
A/C Fitting Nomenclature
Fitting Style
Family
Fitting Family Description
Gender
Swivel
Valve (V)
Attribute
CB12VS
CB
Compressor Pad Block
R12
S=Single
CB12VSR
CB
R12
SR=Single Reversed
COTF
COT
Compressor O-Ring Tube
F
Yes
COTF134V
COT
F
Yes
R134a
FTBO
FT
Flareless Tube
BO=Braze On
FTM
FT
M
FTmm
FT
M
M=Metric
FTN
FT
N=Nut
FTS
FT
S=Sleeve
FTSM
FT
S=Sleeve, M=Metric
FSLF
FSL
Ford Spring Lock
F
FSLM
FSL
M
HM
HM
Hose Mender
HM12V
HM
R12
HM134V
HM
R134a
HMSG
HM
SG=Sight Glass
HMT
HM
T=Tee
ILOTORA
ILOT
Inline Orifice Tube
ORA=Orange
ILOTRED
ILOT
RED=Red
ILOTBLU
ILOT
BLU=Blue
ILOTBLK
ILOT
BLK=Black
ILOTWHI
ILOT
WHI=White
OFFX
OF
O-Ring Face Seal (SAE J1453 ORS/ORFS)
F
X
OIM
OI
O-Ring Insert
M
OIMB
OI
M
B=Bulkhead
OIM134V
OI
M
R134a
OTF
OT
O-Ring Tube
F
Yes
OTF12V
OT
F
Yes
R12
OTF134V
OT
F
Yes
R134a
OTF134VHS
OT
F
Yes
R134a
HS=High Pressure Side
OTM
OT
M
Yes
OTMLP
OT
M
Yes
LP=Long Pilot
OTM134V
OT
M
Yes
R134a
SFFX
SF
SAE 45° J512 Flare
F
X
SFM
SF
M
SWA
SW
Sealing Washer
A=Accumulator
SWCN
SW
CN=Compressor Narrow
SWCW
SW
CW=Compressor Wide
VC12V
VC
Valve Cap
R12
VC134VHS
VC
R134a
HS=High Pressure Side
VC134VLS
VC
R134a
LS=Low Pressure Side
GC-OTF134V45
134
V=R134a Valve
45
= 45° Elbow
OTF = O-Ring Tube Female
Additional Prefix & Suffix:
45
=45° Elbow
45
B=45° Block Elbow
90
=90° Elbow
90
B=90° Block Elbow
180
=180° Elbow
A=Aluminum
Appendix
Installation & Maintenance
Assemblies
Equipment & Accessories
Fittings
Hoses