Jam Nuts
Standard Features
- Coarse or fine thread
- Zinc-plated mild steel or stainless steel
Jam nuts are thin nuts that are assembled with regular nuts to lock both nuts in place. The jam nut helps prevent loosening by providing extra resistance.
Jam Nut Thread Size
| Thread Size | Part# |
|---|---|
| Mild Steel, Fine Thread | |
| 1/4-28 UNF | 14639 |
| 3/8-24 UNF | 14651 |
| 1/2-20 UNF | 14664 |
| 3/4-16 UNF | 14687 |
| 1-12 UNF | 14702 |
| 1-14 UNF | 14703 |
| 1 1/4-12 UNF | 14708 |
| 1 1/2-12 UNF | 14711 |
| Thread Size | Part# |
| Mild Steel, Coarse Thread | |
| 1/4-20 UNC | 14636 |
| 3/8-16 UNC | 14649 |
| 1/2-13 UNC | 14661 |
| 5/8-11 UNC | 14676 |
| 3/4-10 UNC | 14686 |
| 1-8 UNC | 14701 |
| 1-1/4-7 UNC | 14707 |
| Thread Size | Part# |
| Stainless Steel, Fine Thread | |
| 1/4-28 UNF | 14640 |
| 1/2-20 UNF | 14665 |
| 3/4-16 UNF | 14688 |
| Thread Size | Part# |
| Stainless Steel, Coarse Thread | |
| 3/8-16 UNC | 14653 |
| 1/2-13 UNC | 14662 |
| 5/8-11 UNC | 14680 |
| 3/4-10 UNC | 14690 |
Parts
| Part # | Description |
|---|---|
| Mild Steel, Fine Thread | |
| 14639 | Nut,Jam 1/4-28NF HEX Steel Zinc Plated Width Across Flats=7/16 Thickness=5/32 |
| 14651 | Nut,Jam 3/8-24NF HEX Steel Zinc Plated Width Across Flats=9/16 Thickness=7/32 |
| 14664 | Nut,Jam 1/2-20NF HEX Steel Zinc Plated Width Across Flats=3/4 Thickness=5/16 |
| 14687 | Nut,Jam 3/4-16NF HEX Steel Zinc Plated Width Across Flats=1-1/8 Thickness=27/64 |
| 14702 | Nut,Jam 1-12NF HEX Steel Width Across Flats=1-1/2 Thickness=35/64 Clear Zinc Plated |
| 14703 | Nut,Jam 1-14UNS HEX Steel Zinc Plated Width Across Flats=1-1/2 Thickness=35/64 |
| 14708 | Nut,Jam 1-1/4-12NF HEX Steel Zinc Plated Width Across Flats=1-7/8 Thickness=23/32 |
| 14711 | Nut,Jam 1-1/2-12NF HEX Steel Zinc Plated Width Across Flats=2-1/4 Thickness=27/32 |
| Mild Steel, Coarse Thread | |
| 14636 | Nut,Jam 1/4-20NC HEX Steel Zinc Plated Width Across Flats=7/16 Thickness=5/32 |
| 14649 | Nut,Jam 3/8-16NC HEX Steel Zinc Plated Width Across Flats=9/16 Thickness=7/32 |
| 14661 | Nut, Jam, 1/2-13NC, Hex, Width Across Flats = 3/4, Thickness = 5/16, Steel Grade A, Zinc Plated |
| 14676 | Nut,Jam 5/8-11NC HEX Steel Clear Zinc Plated Width Across Flats=15/16 Thickness=3/8 |
| 14686 | Nut,Jam 3/4-10NC HEX Steel Zinc Plated Width Across Flats=1-1/8 Thickness=27/64 |
| 14701 | Nut,Jam 1-8NC HEX Steel Zinc Plated Width Across Flats=1-1/2 Thickness=35/64 |
| 14707 | Nut,Jam 1-1/4-7NC HEX Steel Zinc Plated Width Across Flats=1-7/8 Thickness=23/32 |
| Stainless Steel, Fine Thread | |
| 14640 | Nut,Jam 1/4-28NF HEX SST Width Across Flats=7/16 Thickness=5/32 |
| 14665 | Nut,Jam 1/2-20NF HEX 18-8 SST Width Across Flats=3/4 Thickness=5/16 |
| 14688 | Nut,Jam 3/4-16NF HEX SST Width Across Flats=1-1/8 Thickness=27/64 |
| Stainless Steel, Coarse Thread | |
| 14653 | Nut,Jam 3/8-16NC HEX SST Width Across Flats=9/16 Thickness=7/32 |
| 14662 | Nut,Jam 1/2-13NC HEX SST 18-8 Width Across Flats=3/4 Thickness=5/16 |
| 14680 | Nut,Jam 5/8-11NC HEX Width Across Flats=15/16 Thickness=3/8 18-8 SST |
| 14690 | Nut,Jam 3/4-10NC HEX SST Width Across Flats=1-1/8 Thickness=27/64 |
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