catalog 9203-1 - MacLean Fogg Component Solutions

ESNA PART NUMBER
UNPLATED ZINC PLATED
REFERENCE STANDARDS:
611 Country Club Road · 1-800-331-6469
Pocahontas, Arkansas 72455 · FAX 1-870-892-8938
59N1260-064 51N1260-064 .3750-24UNJF-3B .641 .566 - .551 .624 .523 2.6
59N1260-070 51N1260-070 .4375-20UNJF-3B .765 .628 - .612 .694 .657 3.6
59N1260-080 51N1260-080 .5000-20UNJF-3B .812 .754 - .736 .829 .683 5.9
59N1260-098 .5625-18UNJF-3B .922 .879 - .861 .969 .736 9.6
59N1260-108 51N1260-108 .6250-18UNJF-3B 1.000 .942 - .922 1.037 .881 12.0
59N1260-126 51N1260-126 .7500-16UNJF-3B 1.250 1.067 - 1.045 1.175 1.114 18.0
59N1260-144 51N1260-144 .8750-14UNJF-3B 1.438 1.255 - 1.231 1.382 1.299 30.0
59N1260-164 51N1260-164 1.0000-14UNJS-3B 1.672 ±.031
1.444 - 1.417 1.589 1.452 46.0
51N1260-182 1.1250-12UNJF-3B 1.843 ±.031
59N1260-202 51N1260-202 1.2500-12UNJF-3B 2.031
1.632 - 1.602 1.796 1.697 65.0
±.031
1.820 - 1.788 2.002 1.841 88.0
MATERIAL:
STEEL
THREAD
A
±.015
LOCKING INSERT: RED NYLON (350°F MAX PERFORMANCE)
THREAD SQUARENESS: ESNA SPEC 405, GROUP I
THREADS: AS8879
10
NUT - HEX, THICK
45
B
C
REF
L
REF
APPROX
WEIGHT
LB/100
APPLICATION:
THE N1260 IS DESIGNED FOR APPLICATIONS THAT REQUIRE PRE-STRESSING HIGH STRENGTH BOLTS TO
THEIR ELASTIC LIMIT. THE NUT IS PROVIDED WITH EXTRA THREAD LENGTH AND HEX HEIGHT TO ATTAIN
UNIFORM THREAD LOADING AND ADEQUATE WRENCHING AREA.
A TYPICAL APPLICATION WOULD BE FOR USE WITH “U” BOLTS IN ATTACHING LEAF-SPRINGS TO COMMER-
CIAL AND PASSENGER VEHICLES AXLES.
10
PJ - 1191
N1260
FSCM - 019L2
ISSUED: 6 MAY 53 REVISED: 10 3 NOV 2003