Selected page of Nylon Insert and All Metal Locknuts
MACHINE SCREW PATTERN, STANDARD HEIGHT
CONTINENTAL-AERO
4
NM 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
STAKE MARKS
AVAILABLE
Continental-
A
B
C
D
Aero
Standard
Weight
(Ref)
(Ref)
Size
Part Number
Thread
Container
Lbs./C
Height
Across
Across
Wrench
*See Note
See Note
Quantity
(Steel)
+.010
Flats
Corners
Pad
# 2
# 3
# 4
# 5
# 6
# 8
#10
#12
20,000
.14
.143
.251-.243
.268
.081
20,000
.14
.143
.251-.243
.268
.081
20,000
.14
.143
.251-.243
.268
.081
20,000
.14
.143
.251-.243
.268
.081
15,000
.26
.178
.313-.305
.339
.103
12,000
.42
.229
.345-.336
.374
.140
10,000
.50
.239
.376-.367
.410
.140
6,000
.92
.313
.439-.430
.482
.225
Locking Insert: Purple nylon (250 F max. performance) white and stak
| HEAVY HEX, FULL HEIGHT
CONTINENTAL-AERO
8
NU 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
Standard
Weight
(Ref)
(Ref)
Size
Part Number
Thread
Container
Lbs./C
Height
Across
Across
Wrench
*See Note
See Note
Quantity
(Steel)
**See Note
Flats
Corners
Pad
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
1 1/8
1 1/4
4000
1.5
.375
.503-.489
.556
.290
2500
2.1
.438
.566-.551
.624
.335
1500
3.8
.547
.691-.675
.763
.392
1000
4.8
.594
.754-.736
.829
.464
700
8.2
.703
.879-.861
.969
.544
550
10.0
.797
.942-.922
1.037
.655
350
14.0
.859
1.067-.1.045
1.175
.677
250
23.0
1.000
1.255-.1.231
1.382
.790
150
34.0
1.125
1.444-1.417
1.589
.883
100
48.0
1.281
1.632-
| 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 1/8 through 1 1/2: +.031; 1 3/4 and over: +.063.
Note: Other thread sizes are available from stock or on application.
CONTINENTAL-AERO
Continental-Aero
11
HEAVY HEX, THIN HEIGHT
NTU Series
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
Standard
Weight
(Ref)
(Ref)
Size
Part Number
Thread
Container
Lbs./C
Height
Across
Across
Wrench
*See Note
See Note
Quantity
(Steel)
**See Note
Flats
Corners
Pad
1 1/8
1 1/4
1 3/8
1 1/2
1 3/4
2
2 1/4
2 1/2
2 3/4
3
160
43.0
0.969
1.814-1.801
2.038
.627
108
57.0
1.109
2.008-1.973
2.232
.720
75
70
| 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
| 18
AEROSPACE
APPLIANCE
AVIONICS
BEARING RETAINERS/PINION SHAFTS
BOATS
BRIDGES BUILDINGS
CALCULATORS
COMPUTERS
ELECTRONICS
ENGINES TURBINES
FARM EQUIPMENT
FOOD PROCESSING EQUIPMENT
FURNITURE
HEATING AIR CONDITIONING
HEAVY EQUIPMENT (CONSTRUCTION, MINING, ETC.)
HOUSE GARDEN EQUIPMENT
HYDRAULIC CYLINDERS, FLUID POWER
INSTRUMENTAL PANELS CHASSIS
MATERIAL HANDLING (CONVEYORS, STACKERS, ETC.)
MEDICAL EQUIPMENT
OIL FIELD MACHINERY
RAILROADS
TELECOMMUNICATIONS
TRAILER
TRUCKS AUTOS
SPECIALS: CONTINENTAL-AERO HAS HUNDREDS OF SPECIAL
CALL CONTINENTAL-AERO FOR FULL PRODUC
NM/NE
NTM/NTE
NU
NTU
NE8
(N1610)
NTE8
(NTE1610)
TORK LOK NUTS
APPLICATION CHART
NTU8
(NTU1610)
| 21
QUICK REFERENCE ENGINEERING INFORMATION
NU
HEAVY HEX NYLON INSERT LOCKNUT
C
Prevailing
Continental-Aero
A
B
Across
Weight
Torque
Part Number
Size
Thickness
Across Flats
Corners**
Lbs./C
In.-Lbs., Max.
1st Removal
5th Removal
In.-Lbs., Min.
In.-Lbs. Min.
Breakaway Torque
29NU040
1/4-20
0.375
0.500
0.556
1.5
30
5
3.5
29NU058
5/16-18
0.438
0.562
0.624
2.1
60
8
5.5
29NU066
3/8-16
0.547
0.688
0.763
3.8
80
12
8.5
29NU074, 070
7/16-14, 7/16-20
0.594
0.754
0.829
4.8
100
17
12
29NU083, 080
1/2-13, 1/2-20
0.703
0.875
0.969
8.2
150
22
15
29NU092, 098
9/16-12, 9/16-18
0.797
0.938
1.037
10.0
200
30
21
29NU101, 108
5/8-11, 5/8-18
0.859
1.062
1.175
14.0
300
39
27
49NU120, 126
3/4-10, 3/4-16
1.000
1.250
1.382
23.0
400
58
41
49NU149, 144
7/8-9, 7/8-14
1.125
1.438
1.589
34.0
600
88
62
49NU168, 162, 164
1-8, 1-12, 1-14
1.281
1.625
1.796
48.0
800
120
84
| MINIATURE NYLON INSERTS
CONTINENTAL-AERO
24
1660 Series
Continental-Aero
ALL METAL, MINIATURE HEX NUTS
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
*Note:
Nut Material Finish: See the list below for material and finish digits to use in place of xx in part numbers above.
For the 1st digit, use:
2 If the part is made of low carbon steel
6 If the part is made of aluminum 2011-T3 or equivalent
7 If the part is made of 18/8 stainless steel
9 If the part is made of commercial half-hard brass
For the 2nd digit, use: 1 If the finish is zinc
2 If the finish is cadmium
8 If the finish is alodine
9 If the finish is plain
EXAMPLE:
22-1660-40 is a #4-40 low carbon steel, cadmium plated miniature hex nut.
**Note: TOLERANCES:
+.010 Dec.; +.2 Ang., unless other wise specified
Note: Thread Sizes:
Other thread sizes are available from
| CLINCH LOCKNUT
CONTINENTAL-AERO
28
NC 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-AERO PART NUMBERS
STEEL
APPROX
APPROX
BRASS
APPROX
CADMIUM
STAINLESS
WEIGHT ALUMINUM WEIGHT
CADMIUM
WEIGHT
PLATED
UNPLATED
LB/100
ANODIZED
LB/100
PLATED
LB/100
THREAD
A
B
C
D
F
L
M
N
+.015
REF
REF
REF
MAX
+.006
+.002
REF
22NC1-40
79NC1-40
.15
68NC1-40
.06
.063
.080
22NC2-40
79NC2-40
.16
68NC2-40
.06
.085
.080
22NC3-40
79NC3-40
.17
68NC3-40
.07
.105
.105
22NC4-40
79NC4-40
.18
.135
.135
22NC5-40
79NC5-40
.19
68NC5-40
.08
.165
.165
22NC2-48
.16
.085
.080
22NC3-48
.17
.105
.105
22NC1-62
79NC1-62
.28
68NC1-62
.12
.063
.080
22NC2-62
79NC2-62
.30
68NC2-62
.12
.085
.080
22NC3-62
79NC3-62
| CONTINENTAL-AERO
31
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
MINIATURE FLUSH MOUNTING,
CLINCH NUT WITH NYLON CAP NKCFM
C
Bolt
Engagement
Max.
D
Pilot
Length
E
Pilot
Diameter
B
Diameter
A
Thickness
Size
Continental-Aero
Part Number
xxNKCFM1-26
.040
xxNKCFM2-26
.060
xxNKCFM1-40
.040
xxNKCFM2-40
.060
xxNKCFM1-62
.040
xxNKCFM2-62
.060
xxNKCFM1-82
.040
xxNKCFM2-82
.060
xxNKCFM1-02
.040
xxNKCFM2-02
.060
2-56
.143
.172
.119
.129
4-40
.176
.203
.154
.160
6-32
.251
.281
.211
.192
8-32
.289
.312
.251
.223
10-32
.290
.344
.255
.254
BEARING RETAINER
NYLON INSERT LOCKNUT BRN
Weight
Lbs./C
B
Width
Across Flats
A
Thickness
Size
Continental-Aero
Part Number
43BRN-N03
.664-32SAE N03
.381
.940
3.5
43BRN-N04
.781-32SAE N04
.412
1.127
5.7
43B
| HEX NUT/TOOTH WASHER
LOCK NUT ASSEMBLY
CONTINENTAL-AERO
34
KL 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
D
E
Aero
Standard
Part Number
Thread
Container
Weight
Height
Across
Nut
Washer
*See Note
Qty.
Lbs./M
Over-all
Flats
Thickness
Diameter
xxKL0440
4-40
40,000
1.2
.109
.250
.094
.281
xxKL0540
5-40
40,000
2.3
.140
.312
.109
.344
xxKLS0540
5-40 Sm. Pattern
40,000
1.2
.109
.250
.094
.281
xxKL0632
6-32
25,000
2.3
.140
.312
.109
.344
xxKLS0632
6-32 Sm. Pattern
25,000
1.2
.109
.250
.094
.281
xxKL0832
8-32
20,000
3.1
.156
.344
.125
.375
xxKLS0832
8-32 Sm. Pattern
25,000
2.3
.140
.312
.109
.344
xxKL1024
10-24
xxKL1032
10-32
xxKL1224
12-24
xxKL0420
1/4-20
xxKL0428
1/4-28
xxKL0518
5/16-18
xxKL0524
| NYLON INSERT FLANGE LOCKNUTS
CONTINENTAL-AERO
NFLG Series
37
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
xxNFLG040
1/4-20 0.2500
7/16
0.0385
0.428
0.505 0.468 0.300 0.560 0.484 0.04
0.14
0.295
0.011
0.01
xxNFLG058
5/16-18 0.3125
1/2
0.5020
0.489
0.577 0.557 0.365 0.680 0.502 0.05
0.17
0.357
0.013
0.01
xxNFLG066
3/8-16 0.3750
9/16
0.5645
0.551
0.650 0.629 0.425 0.810 0.730 0.06
0.20
0.420
0.015
0.02
xxNFLG074 7/16-14 0.4375
11/16
0.8950
0.575
0.794 0.768 0.495 0.930 0.645 0.07
0.23
0.482
0.016
0.02
xxNFLG083
1/2-13 0.5000
3/4
0.7520
0.736
0.866 0.840 0.555 1.070 0.982 0.08
0.26
0.560
0.018
0.02
xxNFLG092 9/16-12 0.5625
7/8
0.8770
0.861
1.010 0.982 0.625 1.190 1.101 0.09
0.29
0.622
0.019
0.03
xxNFLG101
5/8-11 0.6250
|
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