Locking Nuts - Nylon

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

Locking Nuts - Nickel Plated Brass

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.