Part number reflects steel, open-end, non-keyed, with cadmium yellow plating only.

Please refer to the part numbering system above for further configurations.

All dimensions below are in inches.
Unit of Measure

NAS Part Number

NAS1330S8E-526

Thread Size

1/2-13 UNC-3B

Grip Range
(Min. - Max.)

.426 - .526

Identifying Mark

3 RAD

A
± .015

1.312

M
REF

0.635

L
± .015 (Closed End Keyless)

1.750

J
NOM (Closed End Keyless)

1.075

K
NOM (Closed End Keyless)

0.635

L
± .015 (Closed End Keyed)

1.750

J
NOM (Closed End Keyed)

1.075

K
NOM (Closed End Keyed)

0.635

ØB
± .015

0.906

C
NOM

0.124

ØD
+.000/-.004

0.625

Install Drill Size
REF

5/8

Install Hole Size
Min. - Max.

.625 - .635

E
MAX

0.733

F
+.005/-.000

0.120

P
+.003/-.000

0.128

H

.110 - .115

Pull Up Factor

.185