Cut Sheet

Class I, Division 1 and 2 Groups A, B, C, D
Class II, Division 1 and 2 Groups E, F, G
Class III
Size
(Inches)
Inches/Millimeters Catalog Number
A B
Steel (1/2” to 1”)
and Malleable (1-1/4” to 6”)
Aluminum
(1/2” to 4”)
UNY Unions — For connecting conduit to enclosure
Male/Female (Nipple Not Removable)
1/2 2.147/54.4 1.47/37.3
UNY50NR
 ‡
UNY50NR-A
 ‡
3/4-1/2 2.16/54.8 1.47/37.3
UNY75-50NR

UNY75-50NR-A

3/4 2.16/54.8 1.75/44.5
UNY75NR
 ‡
UNY75NR-A
 ‡
1 2.62/66.7 2.00/50.8
UNY100NR
 ‡
UNY100NR-A
 ‡
Male/Female (Removable Male Nipple)
1-1/4 3.13/79.4 2.81/71.4
UNY125NR
 ‡
UNY125NR-A
 ‡
1-1/2 3.25/82.6 3.06/77.8
UNY150NR
 ‡
UNY150NR-A
 ‡
2 3.63/92.1 3.72/94.5
UNY200NR
 ‡
UNY200NR-A
 ‡
2-1/2 4.81/122.2 4.88/123.8
UNY250R
 ‡
UNY250R-A
 ‡
3 4.81/122.2 5.38/136.5
UNY300R
 ‡
UNY300R-A
 ‡
3-1/2 4.94/125.4 5.88/149.2
UNY350R
 ‡
UNY350R-A
 ‡
4 5.13/130.2 6.44/163.5
UNY400R
 ‡
UNY400R-A
 ‡
5 5.63/142.9 8.33/212.7 UNY500R
‡
—
6 5.75/146.1 9.63/244.5 UNY600R
‡
—
UNF Female Unions — For connecting conduit to conduit
1/2 1.47/37.3 1.47/37.3
UNF50NR
 ‡
UNF50NR-A
 ‡
3/4-1/2
†
1.47/37.3 1.47/37.3
UNF75-50NR

UNF75-50NR-A

3/4 1.47/37.3 1.75/44.5
UNF75NR
 ‡
UNF75NR-A
 ‡
1 1.72/43.7 2.00/50.8
UNF100NR
 ‡
UNF100NR-A
 ‡
1-1/4 2.19/55.6 2.81/71.4
UNF125NR
 ‡
UNF125NR-A
 ‡
1-1/2 2.19/55.6 3.06/77.8
UNF150NR
 ‡
UNF150NR-A
 ‡
2 2.31/58.7 3.72/94.5
UNF200NR
 ‡
UNF200NR-A
 ‡
2-1/2 3.38/85.7 4.88/123.8
UNF250R
 ‡
UNF250R-A
 ‡
3 3.38/85.7 5.38/136.5
UNF300R
 ‡
UNF300R-A
 ‡
3-1/2 3.38/85.7 5.88/149.2
UNF350R
 ‡
UNF350R-A
 ‡
4 3.50/88.9 6.44/163.5
UNF400R
 ‡
UNF400R-A
 ‡
5 3.88/98.4 8.38/212.7 UNF500R
‡
—
6 4.00/101.6 9.63/244.5 UNF600R
‡
—
Dimensions
Size (Inches) Inches/Millimeters
Catalog Number
MalleableMale Female A B C
UNL 90° Elbow Unions — For connecting conduit to enclosure
1/2 1/2 2.47/62.7 1.38/35.1 2.06/52.3
UNL50N

1/2 3/4
†
2.47/62.7 1.63/41.4 2.06/52.3
UNL50-75N

3/4 1/2
†
2.00/50.8 1.38/35.1 1.88/47.6
UNL75-50N

3/4 3/4 2.00/50.8 1.63/41.4 1.88/47.6
UNL75N

† Male end given first
‡ PVC coating available on select unions. Add suffix -PVC to catalog number.
 Indicates items in the shaded area which are UL Listed for Class I, Groups A, B, C, D; Class II, Groups E, F, G; and Class III.
 Indicated items in the shaded area which are UL Listed for Class I, Groups B, C, D; Class II, Groups E, F, G; and Class III.
Fittings
Fittings: Hazardous Conduit Fittings
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© September 2010
163
UNY, UNF, and UNL Unions
Explosionproof; Dust-Ignitionproof
UNILETS
®
for Use with Threaded Rigid Metal Conduit and IMC.