Spiralock® Made-to-Order Fasteners
Fast Facts:
- Ideal for attaching components in electronic assemblies.
- For softer materials. Ideal for use with plastic.
- Available in ultrasonic and pressed-in versions.
- Made to order. Available in brass or steel.
Potted (with Epoxy) or Mechanically Installed Self-locking Insert
(NAS1832 type) Honeycomb Panel Mechanical Fastening Hardware
Materials:
Titanium Alloy: 6AL4V per AMS 4928 or AMS 4965
Aluminum Alloy: 6061 – T6 per AMS 4150
Stainless Steel: 316 per AMS 5648
Other materials as required
Note:
Threads are per Spiralock® thread standard SPL-9018
Finish:
Anodize, Passivate, Dry Film Lube, CAD
Other finishes as required
Installation Tab:
Installation tab furnished in plastic or AL Alloy, adhesive backed
Thread Size | Spiralock® P/N | "A" Min. - Max. |
"B" Min. - Max. |
"C" Min. - Max. |
"D" Min. - Max. |
"E" Min. - Max. |
"F" Min. - Max. |
"G" Min. - Max. |
Weight (lbs) |
---|---|---|---|---|---|---|---|---|---|
#4-40 | FE04-40-0015 | .370-.375 | .040-.060 | .190-.200 | .302-.322 | .200-.220 | .122-.132 | .276-.284 | 0.0020 |
#6-32 | FE06-32-0035 | .432-.442 | .040-.060 | .220-.240 | .365-.385 | .240-.260 | .148-.158 | .311-.319 | 0.0028 |
#8-32 | FE08-32-0027 | .495-.500 | .040-.060 | .280-.300 | .428-.448 | .300-.320 | .172-.182 | .363-.371 | 0.0058 |
Double-hex (12-Point) Nuts
Material: Alloy steel, 48 HRC Max.; other materials available upon request
Coating / Plating: Per customer requirements
* Sizes #8 through 1" are available on made-to-order basis
** Thread pitch diameter to bearing surface
Spiralock® Thread Size* | Width Across Flats | Nut Height Max | Flange Diameter Max. | Perpendicularity** |
---|---|---|---|---|
¼ - 28 | 0.376 - 0.367 | 0.300 | 0.460 | 0.003 |
5/16 - 24 | 0.439 - 0.430 | 0.363 | 0.560 | 0.004 |
3/8 - 24 | 0.502 - 0.492 | 0.425 | 0.670 | 0.005 |
7/16 - 20 | 0.564 - 0.553 | 0.488 | 0.770 | 0.006 |
½ - 20 | 0.627 - 0.616 | 0.550 | 0.870 | 0.007 |
Captive Washer Nuts
Materials:
Nut: Alloy Steel with Cadmium Plate
Washer: Carbon Steel with Dry Film Lube
Metric sizes and other materials are also available
Spiralock® Thread Size* | Width Across Flats | Nut Height Max. | Flange Diameter Max. |
---|---|---|---|
#8 - 36 | 0.220 | 0.170 | 0.340 |
#10 - 32 | 0.250 | 0.188 | 0.380 |
¼ - 28 | 0.312 | 0.219 | 0.460 |
5/16 - 24 | 0.375 | 0.266 | 0.560 |
3/8 - 24 | 0.437 | 0.282 | 0.660 |
7/16 - 20 | 0.500 | 0.328 | 0.760 |
½ - 20 | 0.562 | 0.480 | 0.860 |
9/16 - 18 | 0.687 | 0.540 | 1.000 |
5/8 - 18 | 0.750 | 0.600 | 1.100 |
¾ - 16 | 0.875 | 0.720 | 1.310 |
7/8 - 14 | 1.000 | 0.800 | 1.480 |
1 - 12 | 1.125 | 0.960 | 1.690 |
Captive Belleville Washer Nuts
Materials:
Nut: 17–4 PH, Condition H1025
Washer: 17–7 PH, Condition H1050
Coating / Plating: As required
**Overall height will vary as spring is compressed
Metric sizes and other materials are also available
Size | Width Across Flats | Nut Height ** | Flange Diameter Max. | Minimum Spring Load | Maximum Spring Load |
---|---|---|---|---|---|
1/4 - 28 | .312 | .22 - .37 | .68 | 200 | 1200 |
5/16 - 24 | .375 | .30 - .41 | .80 | 250 | 1600 |
3/8 - 24 | .438 | .32 - .43 | .87 | 250 | 2000 |
7/16 - 20 | .500 | .36 - .47 | .93 | TBD | TBD |
MS21042 and MS21043 Equivalent Nuts
This nut is equivalent to MS21042 and MS21043 except for the prevailing torque feature that is replaced by the Spiralock® locking thread technology.
Nut characteristics:
- Thin-walled (reduced hex for thread size)
- High strength
- Precision
Material:
Carbon Steel; 18-8 Stainless Steel; Alloy A286
Coating / Plating:
- Cadmium plate per QQ-P-416, Type II, Class 2 and Dry Film Lube per MIL-PRF-46010
- Silver plate per AMS 2410 and wax
Spiralock® Thread Size | Width Across Flats | Nut Height Max. | Flange Diameter Max. | Perpendicularity |
---|---|---|---|---|
#2 - 56 | 0.125 | 0.100 | 0.167 | 0.0025 |
#4 - 40 | 0.156 | 0.125 | 0.206 | 0.003 |
#6 - 32 | 0.187 | 0.141 | 0.244 | 0.003 |
#8 - 32 | 0.218 | 0.188 | 0.290 | 0.003 |
#10 - 32 | 0.250 | 0.188 | 0.330 | 0.003 |
¼ - 28 | 0.312 | 0.219 | 0.420 | 0.003 |
5/16 - 24 | 0.375 | 0.266 | 0.520 | 0.004 |
3/8 - 24 | 0.437 | 0.282 | 0.620 | 0.004 |