National Stock Number
Hexagon Plain Nut — Nuts and Washers (FSC 5310) · Part No. 803-5959174 PIECE 101
| National Stock Number | 5310-01-101-2025 |
|---|---|
| Item name | Hexagon Plain Nut |
| Part number (commercial reference) | 803-5959174 PIECE 101 |
| Alternate references | MIL-S-001222; MIL-DTL-1222J |
| Unit of issue | EA |
| NIIN | 011012025 |
| NIIN assigned by | United States (NCB code 01) |
| Federal Supply Class (FSC) | 5310 — Nuts and Washers |
| Federal Supply Group (FSG) | 53 — Hardware and Abrasives |
| Unit price (USD) | $3.85 |
| Country of origin | Türkiye (Turkey) |
| Lead time | Within 90 days of order |
| Minimum order | May apply — confirm on quote |
| Documentation | Source documentation provided on all orders |
Characteristics decoded from the federal cataloging record for this hexagon plain nut. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Hardness Rating | 80.0 Brinell Standard Minimum |
|---|---|
| Material | Steel Comp 1013 Overall Or Steel Comp 1015 Overall Or Steel Comp 1016 Overall Or Steel Comp 1017 Overall Or Steel Comp 1018 Overall Or Steel Comp 1019 Overall Or Steel Comp 1020 Overall Or Steel Comp 1021 Overall Or Steel Comp 1022 Overall Or Steel Comp 1023 Overall Or Steel Comp 1524 Overall Or Steel Comp 1025 Overall Or Steel Comp 1026 Overall Or Steel Comp 1527 Overall Or Steel Comp 1029 Overall Or Steel Comp 1030 Overall Or Steel Comp 1033 Overall Or Steel Comp 1034 Overall Or Steel Comp 1035 Overall Or Steel Comp 1536 Overall Or Steel Comp 1037 Overall Or Steel Comp 1038 Overall Or Steel Comp 1039 Overall Or Steel Comp 1040 Overall Or Steel Comp 1541 Overall |
| Surface Treatment | Zinc Overall |
| Thread Class | 2B |
| Thread Quantity Per Inch | 11 |
Internally threaded fasteners (hex nuts, lock nuts, castle nuts, wing nuts, self-locking nuts) and washers (flat, lock, spring, and special washers) used to distribute load and secure threaded assemblies.
Price in context. Across the 1,144 items we currently stock in FSC 5310 (Nuts and Washers), published unit prices run from $0.12 to $68,673.00. At $3.85, this item sits well below the class median of $8.76 — commodity hardware usually bought in volume.
Typical applications. Paired with screws, bolts, and studs across every mechanical assembly; washers used for load distribution, spacing, and vibration resistance.
Applicable standards. ASME B18.2.2 / B18.16, B18.21 / B18.22, NASM/MS series; steel, stainless, and self-locking (nylon-insert and all-metal) designs.
NSN 5310-01-101-2025 is supplied by Quick Brown Fox Solutions as a stock resale item. For custom-manufactured or prototype parts to your print, see our U.S.-based CNC machining services.
Country of origin: Türkiye (Turkey). Turkey is a NATO ally and a normal-trade-relations partner of the United States, and Turkish-origin end items are eligible for a wide range of U.S. federal and DLA procurements.
TAA note: Turkey is not a Trade Agreements Act (TAA) designated country, so these items are generally not eligible for TAA-covered solicitations. They are offerable under the Buy American Act and many non-TAA DLA buys. Buyers are responsible for confirming the origin requirements of their specific solicitation.
Full country-of-origin and source documentation is provided with every order. Fulfillment within 90 days of order. Minimum order may apply.
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