Part Number
Close Tolerance Bolt · MS (Military Standard) · NSN 5306-01-059-0211
| Part number | MS21297-09033 |
|---|---|
| Specification family | MS (Military Standard) |
| Item name | Close Tolerance Bolt |
| Alternate references | MS21297-09033-VFK101G9-033; VFK101G9-033 |
| Unit of issue | EA |
| Cross-referenced NSN | 5306-01-059-0211 |
| Federal Supply Class (FSC) | 5306 — Bolts |
| Unit price (USD) | $87.61 |
| 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 close tolerance bolt. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Fastener Length | 2.997 Inches Minimum And 3.027 Inches Maximum |
|---|---|
| Hardness Rating | 46.0 Rockwell C Minimum Overall And 50.0 Rockwell C Maximum Overall |
| Head Style | Spline Extended Washer |
| Material | Steel Comp 303 Overall |
| Nominal Thread Diameter | 0.562 Inches |
| Surface Treatment | Cadmium Overall |
| Thread Class | 3A |
| Thread Quantity Per Inch | 18 |
Externally threaded fasteners designed to be paired with a nut and used to hold two or more parts together, including hex bolts, structural bolts, eye bolts, U-bolts, plow bolts, and close-tolerance bolts.
Reading the part number. MS21297-09033 breaks down as MS21297 — the Military Standard sheet that fixes the part's design — plus the dash/suffix code 09033, which selects the exact size, material, or finish variant from the tables on that standard. Two parts sharing the MS21297 base are the same design in different variants.
Price in context. Across the 1,062 items we currently stock in FSC 5306 (Bolts), published unit prices run from $0.35 to $15,770.70. At $87.61, this item sits well above the class median of $20.50 — typical of assemblies and higher-value line items in this class.
Who orders MS21297-09033. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 5306-01-059-0211. 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 B18.2.1, SAE J429 grades, ASTM A325/A490, MS/AN/NAS series; carbon, alloy, and corrosion-resistant steels with a range of plating and coating options.
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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