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Locknut Technical Information
Locknut Selection Chart
Size
Ref.		 Metric Thread NPT Thread
Metric
'P' 		A/F
'K'

A/C
'M'

 'O' Pitch NPT
'P'		 A/F
'K'		 A/C
'M'		 'O'
OS M20 19.0 21.3 3.2 1.5 ½" 27.0 30.2 4.7
O M20 24.0 26.9 4.0 1.5 ½" 30.0 33.6 4.7
A M20 24.0 26.9 4.0 1.5 ¾" 30.0 33.6 4.7
B M25 30.0 33.6 4.0 1.5 1" 36.0 40.3 6.4
C M32 41.0 45.9 4.0 1.5 1¼" 46.0 51.5 6.4
C2 M40 46.0 51.5 4.8 1.5 1½" 55.0 61.6 6.4
D M50 65.0 72.8 4.7 1.5 2" 65.0 72.8 6.4
E M63 80.0 89.6 6.4 1.5 2½" 80.0 89.6 6.4
F M75 95.0 107.0 6.4 1.5 3" 95.0 107.0 6.4
G/H M90 106.4 119.2 10.0 1.5 3½" 127.0 143.0 9.0
J M100 127.0 142.2 10.0 1.5 4" 139.7 158.0 9.0
Alternative thread sizes and types are also available.
 
 
Hawke Asia Pacific pte
15 Little Road
#04-02
Singapore 536988
Tel +65 (282) 2242
Fax +65 (284) 4244
E-mail information@hawkeasia.com.sg
Hawke Cable Glands Ltd
Atlantic Works, Oxford Street West
Ashton-under-Lyne, Lancashire
OL7 0NA, U.K
Sales 0870 6060105
General + 44 (0)161 308 3611
Fax +44 (0) 161 308 5848
E-mail marketing@hawke-cable-glands.com
Hawke Cable Glands America L.C.
600 Kenrick, Suite C-10, Houston, TX.
77060, U.S.A.
Tel: +1 (281) 445 7400
Wats: (800) 354 9189
Fax +1 (281) 445 7404.
E-mail hawke@hawkeusa.com
www.ehawke.com

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