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technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design

or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or

update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the

user in all possible applications.

Stud Type Junction Blocks

Stud Type J/Blocks

Page 1 of 1

BIF Document: 2070

Bussmann®

12-28-98

SB98107

Rev. A

SPECIFICATIONS

Material: Studs on non-feed-thrus are steel plated; feed-thrus

are copper alloy.

Applications: Heavy-duty ground or power connection points

in AC or DC circuits. Feed-thru or stand alone mount options

available for transformers, communication and computer power

sections along with various vehicle electrical systems.

Benefits: Modular design offers design and manufacturing

flexibility.

Suggested Max. Termination Ratings:

Thread/Stud Sz.

Amperages

#10-32

50 Amps

#1/4-20

100 Amps

#5/16-18

200 Amps

#3/8-16

250 Amps

#1/2-20

400 Amps

Part

Fig.

ABCD

E

F

G

H

J

K

L

M

Material

Color

C2791*

2

2.06

.69

.44

.62

.69

.31

.69

.06

.06

1.31

.22 dia. w/.41 dia.

1/4-20

Thermoset

Black

(52.4)

(17.5)

(11.2)

(15.9)

(17.5)

(7.9)

(17.5)

(1.6)

(1.6)

(33.3)

C’bore x .14 deep

C2909*

2

2.06

.69

.44

.62

1.0

.31

.69

.06

.06

1.31

.22 dia. w/.41 dia.

10-32

Thermoset

Black

(52.4)

(17.5)

(11.2)

(15.9)

(25.4)

(7.9)

(17.5)

(1.6)

(1.6)

(33.3)d

C’bore x 14 deep

C2909-1*

2

2.06

.69

.44

.62

1.0

.31

.69

.06

.06

1.31

.22 dia. w/.41 dia.

1/4-20

Thermoset

Black

(52.4)

(17.5)

(11.2)

(15.9)

(25.4)

(7.9)

(17.5)

(1.6)

(1.6)

(33.3)d

C’bore x 14 deep

C1938*

2

2.06

.94

.69

.87

.69

.31

.87

.06

.06

1.31

.22 dia. w/.41 dia.

3/8-16

Thermoplastic

Black

(52.4)

(23.8)

(17.5)

(22.2)

(17.5)

(7.9)

(22.2)

(1.6)

(1.6)

(33.3)d

C’bore x 14 deep

C1925*

1

2.75

1.5

1.25

1.25

1.12

37

1.12

.19

.19

2.0

.22 dia. w/.44 dia.

1/2-13

Thermoplastic

Red

(69.8)

(38.1)

(31.7)

(31.7)

(28.6)

(9.5)

(28.6)

4.8)

(4.8)

(50.8)

C’bore x .16 deep

C4044*

2

2.06

.87

.62

.62

1.12

.31

.87

.06

.06

1.31

.22 dia. w/.41 dia.

3/8-16

Thermoplastic

Black

(52.4)

(22.2)

(15.9)

(15.9)

(28.6)

(7.9)

(22.2)

(1.6)

(1.6)

(33.3)

C’bore x .14 deep

C5898*

2

2.06

.94

.69

.87

.69

.31

.87

.06

.06

1.31

.22 dia. w/.41 dia.

3/8-16

Thermoplastic

Red

(52.4)

(23.8)

(17.5)

(22.2)

(17.5)

(7.9)

(22.2)

(1.6)

(1.6)

(33.3)

C’bore x 14 deep

JB3816-2

2

2.12

1.0

.62

.94

.69

.31

None

.06

None

1.37

.22 dia. w/.37 dia.

3/8-16

Thermoplastic

Black

(54.0)

(25.4)

(15.9)

(23.8)

(17.5)

(7.9)

(1.6)

(34.9)

C’bore x .14 deep

JB3816-3

2

2.12

1.0

.62

.94

.69

.31

None

.06

None

1.37

.22 dia. w/.37 dia.

3/8-16

Thermoplastic

Red

(54.0)

(25.4)

(15.9)

(23.8)

(17.5)

(7.9)

(1.6)

(34.9)

C’bore x .14 deep

C1933

1

2.75

1.44

1.25

1.5

1.12

.37

None

.19

None

2

.22 dia.

1/2-13

Thermoplastic

Black

(69.8)

(36.6)

(31.7)

(38.1)

(28.6)

(9.5)

(4.8)

(50.8)

C1933-1

1

2.75

1.44

1.25

1.5

1.12

.37

None

.19

None

2

.22 dia.

5/16-18

Thermoplastic

Black

(69.8)

(36.3)

(31.7)

(38.1)

(28.6)

(9.5)

(4.8)

(50.8)

C6344-1

2

2.12

.62

.62

.87

.69

.31

None

.06

None

1.37

.22 dia. w/.37 dia.

1/2-20

Thermoplastic

Black

(54.0)

(15.9)

(15.9)

(22.2)

(17.5)

(7.9)

(1.6)

(34.9)

C’bore x .14 deep

*Feed-thru

Options – Nuts & washers; consult factory.

F

J

H

G

E

D

CB

M (thread size)

1.87"

(47.6)

.75"

(19.1)

1.12"

(28.6)

K

A

K

A

L (4 mtg. holes)

L (2 mtg. holes)

Fig. 1

(Parts C1925, C1933, C1933-1)

Fig. 2

(All other parts)

Dimensions