| Part Number | Connection | Thread | Material | Plating | Price | Stock | |
|---|---|---|---|---|---|---|---|
| FS0306-04 | 1/4" ORFS Locknut | 9/16-18 UNF | Steel | Trivalent Zinc | $0.37 | In stock | View |
| FS0306-04-SS | 1/4" ORFS Locknut | 9/16-18 UNF | Stainless Steel | — | $5.69 | In stock | View |
| FS0306-06 | 3/8" ORFS Locknut | 11/16-16 UNF | Steel | Trivalent Zinc | $0.49 | In stock | View |
| FS0306-06-SS | 3/8" ORFS Locknut | 11/16-16 UNF | Stainless Steel | — | $5.34 | In stock | View |
| FS0306-08 | 1/2" ORFS Locknut | 13/16-16 UNF | Steel | Trivalent Zinc | $0.53 | In stock | View |
| FS0306-08-SS | 1/2" ORFS Locknut | 13/16-16 UNF | Stainless Steel | — | $7.62 | In stock | View |
| FS0306-10 | 5/8" ORFS Locknut | 1-14 UNS | Steel | Trivalent Zinc | $1.11 | In stock | View |
| FS0306-12 | 3/4" ORFS Locknut | 1-3/16-12 UN | Steel | Trivalent Zinc | $1.43 | In stock | View |
| FS0306-12-SS | 3/4" ORFS Locknut | 1-3/16-12 UN | Stainless Steel | — | $42.73 | In stock | View |
| FS0306-16 | 1" ORFS Locknut | 1-7/16-12 UN | Steel | Trivalent Zinc | $1.56 | In stock | View |
| FS0306-16-SS | 1" ORFS Locknut | 1-7/16-12 UN | Stainless Steel | — | $17.19 | In stock | View |
| FS0306-20 | 1-1/4" ORFS Locknut | 1-11/16-12 UN | Steel | Trivalent Zinc | $4.28 | In stock | View |
| FS0306-24 | 1-1/2" ORFS Locknut | 2-12 UNF | Steel | Trivalent Zinc | $8.07 | In stock | View |
| FS0306-24-SS | 1-1/2" ORFS Locknut | 2-12 UNF | Stainless Steel | — | $61.39 | In stock | View |
Full specifications for each part — connections, thread standards, configuration, and weight — are on the product page. To identify an unknown thread, see the thread identification guide and size charts.