TM 55-2350-224-14
APPENDIX C
METHODS OF IDENTIFICATION FOR INCH-SIZE CHAIN
Manufacturer
Grade 30
Grade 43
Grade 70
Grade 80
Steel Alloy
Special Alloy
Acco
G3
G4
G7
A8A
Boltmaster-Taylor
BTPC
BT7
TAC
TAC
or PC
Campbell
C3JCP
C4fCH
C7
CA/C3
CA/C8
or P
(+000)
Columbus McKinnon
CM/PC
CM/HT
CM/SG7
CM/HA
or G30
or G43
or G70
or HA800
Crosby
CG/PC/3
CG/C/4
CG/C/7
CG/A/8
Laclede
13
N4 or L4
N7 or L7
G8 or L8
Maclean Fogg
-A-, P, PA or
P3
Peerless
PC
PH
P7
P8
Portec
-A-, H,
HA800 or BE
Teledyne McKay
4MK/MKH
MK7
MK8
Turner & Seymour
T3
T4
T7
Note: (Taken from AAR 1989 update.)
C-1
