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Material Material | Hide |
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Thread Size Thread Size |
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Nut Type Nut Type |
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| Flange | Hex |
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| Locknut | Rivet Mount |
Specifications Met Specifications Met |
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Flange Diameter Flange Diameter |
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Locking Type Locking Type |
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Drive Style Drive Style |
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| External Hex | External 12- Point |
Thread Direction Thread Direction |
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Hex Nut Profile Hex Nut Profile |
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Distorted Thread Type Distorted Thread Type |
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Finish Finish |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Nuts, Materials, and Finishes
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Stainless Steel Distorted-Thread Flange Locknuts
These flange locknuts have excellent resistance to chemicals and salt water. They have an irregularly shaped thread that grips the bolt for a stronger hold than nylon-insert flange locknuts. A flange distributes pressure where the nut meets the material surface, eliminating the need for a separate washer. These nuts may be mildly magnetic. Height includes the flange.
A286 stainless steel nuts cannot be reused. Those with lubricant thread onto bolts smoothly.
For technical drawings and 3-D models, click on a part number.
Flange | ||||||||
|---|---|---|---|---|---|---|---|---|
| Thread Size | Wd. | Ht. | Dia. | Thick. | Specifications Met | Pkg. Qty. | Pkg. | |
Silver-Plated A286 Stainless Steel | ||||||||
| 4-40 | 5/32" | 1/8" | 0.206" | 0.03" | MS21043-04 | 5 | 000000000 | 000000 |
| 6-32 | 3/16" | 9/64" | 0.244" | 0.03" | MS21043-06 | 5 | 000000000 | 0000 |
| 8-32 | 7/32" | 3/16" | 0.29" | 0.03" | MS21043-08 | 5 | 000000000 | 00000 |
| 10-32 | 1/4" | 3/16" | 0.33" | 0.03" | MS21043-3 | 5 | 000000000 | 0000 |
| 1/4"-28 | 5/16" | 7/32" | 0.42" | 0.04" | MS21043-4 | 5 | 000000000 | 0000 |
| 5/16"-24 | 3/8" | 17/64" | 0.52" | 0.04" | MS21043-5 | 1 | 000000000 | 0000 |
| 3/8"-24 | 7/16" | 9/32" | 0.62" | 0.04" | MS21043-6 | 1 | 000000000 | 0000 |
A286 Stainless Steel with Lubricant | ||||||||
| 2-56 | 1/8" | 3/32" | 0.167" | 0.01" | NAS1291C02M | 5 | 000000000 | 00000 |
| 4-40 | 5/32" | 1/8" | 0.206" | 0.01" | NAS1291C04M | 1 | 000000000 | 0000 |
| 6-32 | 3/16" | 9/64" | 0.244" | 0.01" | NAS1291C06M | 1 | 000000000 | 0000 |
| 8-32 | 7/32" | 3/16" | 0.29" | 0.02" | NAS1291C08M | 1 | 000000000 | 0000 |
| 10-32 | 1/4" | 3/16" | 0.33" | 0.02" | NAS1291C3M | 1 | 000000000 | 0000 |
| 1/4"-28 | 5/16" | 7/32" | 0.42" | 0.02" | NAS1291C4M | 1 | 000000000 | 0000 |
| 5/16"-24 | 3/8" | 17/64" | 0.52" | 0.03" | NAS1291C5M | 1 | 000000000 | 0000 |
| 3/8"-24 | 7/16" | 9/32" | 0.62" | 0.03" | NAS1291C6M | 1 | 000000000 | 00000 |
| 7/16"-20 | 1/2" | 21/64" | 0.708" | 0.04" | NAS1291C7M | 1 | 000000000 | 00000 |
| 1/2"-20 | 9/16" | 13/32" | 0.814" | 0.04" | NAS1291C8M | 1 | 000000000 | 00000 |
Stainless Steel High-Torque 12-Point Flange Nuts
These flange nuts have excellent resistance to chemicals and salt water. With more points of contact than a hex, they allow you to get a better grip for more driver torque. The flange distributes pressure where the nut meets the material surface, eliminating the need for a separate washer. Height includes the flange.
For technical drawings and 3-D models, click on a part number.
Flange | ||||||
|---|---|---|---|---|---|---|
| Thread Size | Wd. | Ht. | Dia. | Thick. | Each | |
A286 Stainless Steel | ||||||
| 1/4"-20 | 5/16" | 19/64" | 7/16" | 0.06" | 000000000 | 00000 |
| 1/4"-28 | 5/16" | 19/64" | 7/16" | 0.06" | 000000000 | 0000 |
| 5/16"-18 | 3/8" | 11/32" | 17/32" | 0.08" | 000000000 | 0000 |
| 5/16"-24 | 3/8" | 11/32" | 17/32" | 0.08" | 000000000 | 0000 |
| 3/8"-16 | 7/16" | 25/64" | 5/8" | 0.09" | 000000000 | 0000 |
| 3/8"-24 | 7/16" | 25/64" | 5/8" | 0.09" | 000000000 | 0000 |
| 7/16"-14 | 1/2" | 7/16" | 45/64" | 0.11" | 000000000 | 0000 |
| 7/16"-20 | 1/2" | 7/16" | 45/64" | 0.11" | 000000000 | 0000 |
| 1/2"-13 | 9/16" | 33/64" | 53/64" | 0.13" | 000000000 | 0000 |
| 1/2"-20 | 9/16" | 33/64" | 53/64" | 0.13" | 000000000 | 0000 |
| 9/16"-18 | 11/16" | 5/8" | 31/32" | 0.13" | 000000000 | 0000 |
Thread | Flange | ||||||
|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Wd., mm | Ht., mm | Dia. | Thick., mm | Each | |
A286 Stainless Steel | |||||||
| M6 | 1 | 8 | 6.1 | 10.5 | 1.6 | 000000000 | 00000 |
| M7 | 1 | 9 | 7 | 12 | 1.6 | 000000000 | 0000 |
| M8 | 1 | 10 | 8.1 | 15.9 | 1.6 | 000000000 | 0000 |
| M8 | 1.25 | 10 | 8.1 | 13.6 | 1.6 | 000000000 | 0000 |
| M9 | 1 | 11 | 9.5 | 15.6 | 1.6 | 000000000 | 0000 |
| M10 | 1 | 12 | 10.2 | 17.8 | 3.2 | 000000000 | 0000 |
| M10 | 1.25 | 12 | 10.2 | 17.8 | 3.2 | 000000000 | 0000 |
| M10 | 1.5 | 12 | 10.2 | 17.8 | 3.2 | 000000000 | 0000 |
| M11 | 1.25 | 13 | 11 | 17.8 | 3.2 | 000000000 | 0000 |
| M11 | 1.25 | 14 | 13 | 20.9 | 3.2 | 000000000 | 0000 |
| M12 | 1 | 14 | 12.8 | 19.1 | 3.2 | 000000000 | 0000 |
| M12 | 1.25 | 14 | 12.8 | 19.1 | 3.2 | 000000000 | 0000 |
| M12 | 1.25 | 14 | 12.8 | 20.9 | 3.2 | 000000000 | 0000 |
| M12 | 1.75 | 14 | 12.8 | 20.9 | 3.2 | 000000000 | 0000 |
Mil. Spec. Rivet-Mount Nuts
Create threads in hard-to-work areas—where you can’t reach the back of a workpiece, or material is too thin to be tapped. For a strong grip, these nuts have distorted threads that increase friction with bolts. Because they mount with two rivets, they won’t spin when you’re tightening screws. However, these nuts do move inside their retainers, which lets you install bolts at a slight angle; use them to align with off-center parts. All meet military guidelines for dimensions and material.
A286 stainless steel nuts are corrosion resistant. Silver-plated stainless steel nuts withstand temperatures up to 800° F. The silver plating also adds lubricity and prevents seizing caused by friction between nuts and bolts.
Lubricated nuts thread onto bolts smoothly.
For technical drawings and 3-D models, click on a part number.
Base | Barrel | Mounting | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | Thick. | Dia. | Ht. | No. of Holes | Hole Dia. | Hole Ctr.-to-Ctr. | Specifications Met | Each | |
A286 Stainless Steel—Lubricated | |||||||||||
| 4-40 | 21/32" | 5/16" | 3/32" | 0.141" | 1/16" | 2 | 0.098" | 13/32" | MS21076L04N | 000000000 | 000000 |
| 6-32 | 11/16" | 11/32" | 3/32" | 0.156" | 5/64" | 2 | 0.098" | 7/16" | MS21076L06N | 000000000 | 0000 |
| 6-32 | 61/64" | 13/32" | 1/32" | 0.156" | 11/64" | 2 | 0.098" | 11/16" | MS21060L06 | 000000000 | 0000 |
| 8-32 | 45/64" | 23/64" | 3/32" | 0.168" | 5/32" | 2 | 0.098" | 15/32" | MS21076L08N | 000000000 | 0000 |
| 8-32 | 61/64" | 13/32" | 1/32" | 0.168" | 7/32" | 2 | 0.098" | 11/16" | MS21060L08 | 000000000 | 0000 |
| 10-32 | 47/64" | 13/32" | 3/32" | 0.194" | 5/32" | 2 | 0.098" | 1/2" | MS21076L3N | 000000000 | 0000 |
| 10-32 | 61/64" | 13/32" | 1/32" | 0.194" | 7/32" | 2 | 0.098" | 11/16" | MS21060L3 | 000000000 | 0000 |
| 1/4"-28 | 51/64" | 1/2" | 3/32" | 0.254" | 3/16" | 2 | 0.098" | 9/16" | MS21076L4N | 000000000 | 0000 |
| 1/4"-28 | 1 19/64" | 33/64" | 1/32" | 0.254" | 1/4" | 2 | 0.098" | 1" | MS21060L4 | 000000000 | 0000 |
| 5/16"-24 | 1 1/64" | 37/64" | 7/64" | 0.317" | 7/32" | 2 | 0.13" | 23/32" | MS21076L5N | 000000000 | 00000 |
| 5/16"-24 | 1 19/64" | 39/64" | 3/64" | 0.317" | 9/32" | 2 | 0.13" | 1" | MS21060L5 | 000000000 | 00000 |
| 3/8"-24 | 1 19/64" | 43/64" | 1/16" | 0.379" | 19/64" | 2 | 0.13" | 1" | MS21060L6 | 000000000 | 00000 |
Silver-Plated A286 Stainless Steel—Unlubricated | |||||||||||
| 4-40 | 21/32" | 5/16" | 3/32" | 0.141" | 1/16" | 2 | 0.098" | 13/32" | MS21076-04N | 000000000 | 0000 |
| 6-32 | 61/64" | 13/32" | 1/32" | 0.156" | 11/64" | 2 | 0.098" | 11/16" | MS21060-06 | 000000000 | 0000 |
| 8-32 | 45/64" | 23/64" | 3/32" | 0.168" | 5/32" | 2 | 0.098" | 15/32" | MS21076-08N | 000000000 | 00000 |
| 10-32 | 47/64" | 13/32" | 3/32" | 0.194" | 5/32" | 2 | 0.098" | 1/2" | MS21076-3N | 000000000 | 0000 |
| 10-32 | 61/64" | 13/32" | 1/32" | 0.194" | 7/32" | 2 | 0.098" | 11/16" | MS21060-3 | 000000000 | 0000 |
| 1/4"-28 | 51/64" | 1/2" | 3/32" | 0.254" | 3/16" | 2 | 0.098" | 9/16" | MS21076-4N | 000000000 | 00000 |
| 1/4"-28 | 1 19/64" | 33/64" | 1/32" | 0.254" | 1/4" | 2 | 0.098" | 1" | MS21060-4 | 000000000 | 00000 |
| 5/16"-24 | 1 1/64" | 37/64" | 7/64" | 0.317" | 7/32" | 2 | 0.13" | 23/32" | MS21076-5N | 000000000 | 00000 |