Made in USA - RoHS Compliant - ISO 9001 Certified

Locking Nuts

Locking Nuts prod

PART NUMBER THREAD TYPE AND SIZE DIMENSIONS (INCHES)
Locking Nut G Thickness H Wrench Flats
Black Grey
PG-7NB
PG-9NB
PG-7NG
PG-9NG
PG7-1/4"NPT
PG 9
.20
.20
.75
.87
3/8 NB
PG-11NB
PG-11NG 3/8" NPT
PG 11
.27
.20
.94
.94
PG-13NB
1/2 NB
PG-13NG
 
PG 13.5
1/2" NPT
.24
.27
1.06
1.06
PG-16NB
PG-21NB
PG-16NG
PG-21NG
PG 16
PG 21
.24
.27
1.18
1.41
3/4 NB
PG-29NB
 
PG-29NG
3/4" NPT
PG 29
.27
.27
1.26
1.81
1 NB
PG-36NB
 
PG-36NG
1" NPT
PG 36
.27
.31
1.57
2.36
PG-42NB
PG-48NB
PG-42NG
PG-48NG
PG 42
PG 48
.31
.31
2.56
2.75

The PG 7 thread fits a 1/4" NPT or 1/2-20 UNF.

Locking Nuts prod

PART
NUMBER
THREAD
TYPE
AND
SIZE
DIMENSIONS (INCHES)
Locking Nut
 
G
Thickness
H
Wrench
Flats
PG-7NM
PG-9NM
PG7-1/4"NPT
PG 9
.11
.11
.59
.71
3/8 NM
PG-11NM
3/8" NPT
PG 11
.14
.12
.75
.83
PG-13NM
1/2 NM
PG 13.5
1/2" NPT
.12
.14
.91
.94
PG-16NM
PG-21NM
PG 16
PG 21
.12
.14
1.02
1.26
3/4 NM
PG-29NM
3/4" NPT
PG 29
.18
.16
1.18
1.61
PG-36NM
PG-42NM
PG 36
PG 42
.20
.20
2.01
2.36
PG-48NM
 
PG 48 .22 2.52

Locking nuts with cutting edges are also available.  They penetrate the protective coating of an enclosure for a metal-to-metal connection.