Page 14 of Nylon Insert and All Metal Locknuts by Continental-Aero
HEAVY HEX, GRADE 8
CONTINENTAL-AERO
14
NU8 (NU1610) Series
Continental-Aero
The bright purple nylon insert identifies Tork Lok Nuts
and denotes precision manufacture from the finest
materials, to assure top product performance.
Look for the Royal Purple Insert
Continental-
A
B
C
D
Aero
Weight
(Ref)
(Ref)
Size
Part Number
Thread
Lbs./C
Height
Across
Across
Wrench
*See Note
See Note
(Steel)
**See Note
Flats
Corners
Pad
1
1 1/4
1 3/8
1 1/2
1 5/8
1 3/4
1 7/8
2
2 1/4
2 1/2
2 3/4
3
48.0
1.281
1.632-1.602
1.796
1.000
92.0
1.641
2.008-1.973
2.209
1.250
120.0
1.797
2.197-2.159
2.416
1.376
150.0
1.922
2.384-2.344
2.622
1.413
185.0
2.141
2.572-2.530
2.886
1.637
240.0
2.313
2.762-2.715
3.035
1.830
270.0
2.359
2.950-2.901
3.242
1.875
310.0
2.406
3.137-3.086
3.449
1.750
450.0
2.813
3.514-3.457
3.862
2.063
682.0
3.141
4.015-3.875
4.618
2.475
530.0
3.141
4.015-3.875
4.618
2.350
1000.0
3.641
4.640-4.500
5.102
2.750
5XNU1610-168
1-8
5XNU1610-164
1-14
5XNU1610-207
1 1/4-7
5XNU1610-202
1 1/4-12
5XNU1610-208
1 1/4-8
5XNU1610-226
1 3/8-6
5XNU1610-222
1 3/8-12
5XNU1610-228
1 3/8-8
5XNU1610-246
1 1/2-6
5XNU1610-242
1 1/2-12
5XNU1610-248
1 1/2-8
5XNU1610-265
1 5/8-5
5XNU1610-262
1 5/8-12
5XNU1610-285
1 3/4-5
5XNU1610-282
1 3/4-12
5XNU1610-288
1 3/4-8
5XNU1610-305
1 7/8-5
5XNU1610-302
1 7/8-12
5XNU1610-324
2-4 1/2
5XNU1610-322
2-12
5XNU1610-328
2-8
5XNU1610-364
2 1/4-4 1/2
5XNU1610-362
2 1/4-12
5XNU1610-368
2 1/4-8
5XNU1610-404
2 1/2-4
5XNU1610-402
2 1/2-12
5XNU1610-408
2 1/2-8
5XNU1610-444
2 3/4-4
5XNU1610-442
2 3/4-12
5XNU1610-448
2 3/4-8
5XNU1610-484
3-4
5XNU1610-482
3-12
STAKE MARKS
AVAILABLE
D
A
DOUBLE OR SINGLE NOTCHED CORNERS ON HEX INDICATE HEAT TREATED TO RC 26-34
Locking Insert: Purple nylon (250 F max. performance) white and staked available.
* Note: See page 2 for parts nomenclature; substitute digits for material and finish in place of xx in part numbers above.
** Note: TOLERANCES 1 through 1 1/2: +.031; 1 5/8 and over +.063.
Note: Other thread sizes are available from stock or on application.
Material Steel (AISI C1137 or equivalent). Heat-Treated Rockwell C 26-34.
B
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