U.S. FOUNDRY & MANUFACTURING CORPORATION
MANHOLE RINGS & COVERS
M-73
USF SLAB TYPE LARGE MANHOLE RINGS AND DOUBLE COVERS
Specify lettering, if required.
USF 1300-AB-M SHOWN
TYPE A
TYPE B
TYPE C
A
F
G
B
D
E
C
CATALOG
NUMBER
LOAD RING
RATING TYPE
A B C D E F G
1300-
AB-M 32
3
1
1
30 36
1
4
1
22
2
1
1
HEAVY DUTY C
1305-
AB-M 32
3
1
1
30 39
1
8 22
2
1
1
HEAVY DUTY C
1307-
CR SERIES 35
w
1
2
34
w
37
1
7 23
w
1
2
HEAVY DUTY A
1309-
CR SERIES 35
w
1
2
34
w
37
1
10 23
w
1
2
HEAVY DUTY A
1310-
AF-M 37 1
e
35 45 6 22
2
1
1
HEAVY DUTY C
1340-
AF-M 37 1
e
35
2
39
w
2
w
22
2
1
1
HEAVY DUTY B
1315-
BK-M 38 1
1
36 44 8 22
2
1
1
HEAVY DUTY C
1341-
AG-M 50
c
2 48 56
2
5
3
22
2
1
1
HEAVY DUTY C
*1341-
AH-M 50
c
2 48 56
2
5
3
22
2
1
1
HEAVY DUTY C
*
ACCESS LID IS LOCATED 6" OFF CENTER
LISTED IN ORDER OF SMALLEST CLEAR OPENING (COLUMN "C") AND HEIGHT (COLUMN "E").