1/4-28 Grade C Nylon Insert Lock Nut, Plated
1/4-28 Grade C Nylon Insert Lock Nut, Plated
Item #: NNIP025G8F
Manufacturers:
Product Specification
| Grade | Grade C, Grade 8 |
|---|---|
| Finish | Plated |
| Weight | 0.009060 |
| Diameter | 1/4 |
Dimensional Specifications
| Per ASME B18.16.6-2017 | ||||||||||
| Nominal Diameter | UNC | UNF | A | B | C | D | ||||
| Width Across Flats | Width Across Corners |
Thickness | Hex Height | |||||||
| Basic | Max | Min | Min | Max | Min | Min | ||||
| #2 | 0.086 | 56 | 1/4 | 0.251 | 0.243 | 0.268 | 0.153 | 0.133 | 0.081 | |
| #3 | 0.099 | 48 | 1/4 | 0.251 | 0.243 | 0.268 | 0.153 | 0.133 | 0.081 | |
| #4 | 0.112 | 40 | 1/4 | 0.251 | 0.243 | 0.268 | 0.153 | 0.133 | 0.081 | |
| #5 | 0.125 | 40 | 1/4 | 0.251 | 0.243 | 0.268 | 0.153 | 0.133 | 0.081 | |
| #6 | 0.138 | 32 | 40 | 5/16 | 0.313 | 0.305 | 0.339 | 0.188 | 0.168 | 0.103 |
| #8 | 0.164 | 32 | 36 | 11/32 | 0.345 | 0.336 | 0.374 | 0.239 | 0.219 | 0.140 |
| #10 | 0.190 | 24 | 32 | 3/8 | 0.376 | 0.243 | 0.410 | 0.249 | 0.229 | 0.140 |
| #12 | 0.216 | 24 | 28 | 1/4 | 0.439 | 0.430 | 0.482 | 0.328 | 0.298 | 0.225 |
| 1/4 | 0.250 | 20 | 28 | 7/16 | 0.439 | 0.430 | 0.482 | 0.328 | 0.298 | 0.225 |
| 5/16 | 0.313 | 18 | 24 | 1/2 | 0.502 | 0.492 | 0.552 | 0.359 | 0.329 | 0.250 |
| 3/8 | 0.375 | 16 | 24 | 9/16 | 0.564 | 0.553 | 0.622 | 0.468 | 0.438 | 0.335 |
| 7/16 | 0.438 | 14 | 20 | 5/8 | 0.627 | 0.616 | 0.698 | 0.468 | 0.438 | 0.324 |
| 1/2 | 0.500 | 13 | 20 | 3/4 | 0.752 | 0.741 | 0.837 | 0.609 | 0.579 | 0.464 |
| 9/16 | 0.563 | 12 | 18 | 7/8 | 0.877 | 0.865 | 0.978 | 0.656 | 0.626 | 0.469 |
| 5/8 | 0.625 | 11 | 18 | 15/16 | 0.940 | 0.928 | 1.051 | 0.765 | 0.735 | 0.593 |
| 3/4 | 0.750 | 10 | 16 | 1 1/8 | 1.064 | 1.052 | 1.191 | 0.890 | 0.861 | 0.742 |
| 7/8 | 0.875 | 9 | 14 | 1 5/16 | 1.252 | 1.239 | 1.403 | 0.999 | 0.969 | 0.790 |
| 1 | 1.000 | 8 | 14 | 1 1/2 | 1.440 | 1.427 | 1.615 | 1.078 | 1.016 | 0.825 |
| 1 1/8 | 1.125 | 7 | 12 | 1 11/16 | 1.627 | 1.614 | 1.826 | 1.203 | 1.410 | 0.930 |
| 1 1/4 | 1.250 | 7 | 12 | 1 7/8 | 1.815 | 1.801 | 2.038 | 1.422 | 1.360 | 1.125 |
| 1 1/2 | 1.500 | 6 | 12 | 2 1/4 | 2.197 | 2.159 | 2.444 | 1.640 | 1.578 | 1.313 |
- All dimensions are in inches.
Governing Standards
| ASME B18.16.6 | Covers the complete general, dimensional, mechanical, and performance requirements (proof load, prevailing torque, and torque-tension) for carbon steel, inch series nylon insert locknuts of grades N2, N5, and N8 in styles NE (1/4 in. – 1-1/2 in.), NTE (1/4 in. – 1-1/2 in.), NU (1/4 in. – 3 in.), NTU (1/4 in. – 3 in.), NM (#2-#12), NTM (#2-#12), and hex flange (1/4 in. – 3/4 in.). This Standard also includes all-metal hex (#4-1-1/2 in.) and hex flange (1/4 in. – 3/4 in.) locking nuts of grades A, B, C, F, and G. These nut designs are designated as American National Standards. |
| ASME B1.1 UNC & UNF Class 2B | Specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads. |
Grade C Material Marking