Part Number
Plain Stud · NAS (National Aerospace Standard) · NSN 5307-00-680-7627
| Part number | NAS354-4-280 |
|---|---|
| Specification family | NAS (National Aerospace Standard) |
| Item name | Plain Stud |
| Alternate references | NAS354-280 |
| Unit of issue | EA |
| Cross-referenced NSN | 5307-00-680-7627 |
| Federal Supply Class (FSC) | 5307 — Studs |
| Unit price (USD) | $5.25 |
| 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 plain stud. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Material | Steel Comp 4130 |
|---|---|
| Overall Length | 2.770 Inches Minimum And 2.830 Inches Maximum |
| Surface Treatment | Cadmium Overall |
| Thread Class | 3A Nut Thread |
| Thread Class | 3A Stud Thread |
| Thread Quantity Per Inch | 28 Nut Thread |
| Thread Quantity Per Inch | 28 Stud Thread |
| Thread Series Designator | Unf Nut Thread |
Externally threaded rod fasteners threaded on one or both ends, or continuously, used where a permanent threaded projection is required.
Reading the part number. NAS354-4-280 breaks down as NAS354 — the National Aerospace Standard that fixes the part's design — plus the dash/suffix code 4-280, which selects the exact size, material, or finish variant from the tables on that standard. Two parts sharing the NAS354 base are the same design in different variants.
Price in context. Across the 27 items we currently stock in FSC 5307 (Studs), published unit prices run from $5.25 to $2,277.99. At $5.25, this item sits well below the class median of $87.61 — commodity hardware usually bought in volume.
Stock activity. This item has appeared once in our supplier stock feed, most recently listed 2026-08-12, with a lot quantity of 426 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.
Who orders NAS354-4-280. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 5307-00-680-7627. You can order by part number or by stock number — it is the same item, the same published price, and the same quote form.
Applicable standards. ASME B18.31, MS/NAS series; carbon, alloy, and stainless steels.
Need this part modified, or a similar part made to your print? See our U.S.-based CNC machining services and aerospace machining capability.
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.
Items are supplied as stock mil-spec / commercial hardware with source documentation and country-of-origin paperwork on every order. Parts are not supplied with an FAA Form 8130-3 airworthiness tag unless expressly stated on the quote. Buyers installing hardware on certificated aircraft are responsible for acceptance under their own maintenance program, repair station procedures, or owner/operator authority.
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