Part Number
Metallic Tube · Military specification (MIL series) · NSN 4710-01-234-4737
| Part number | MIL-T-16420 |
|---|---|
| Specification family | Military specification (MIL series) |
| Item name | Metallic Tube |
| Alternate references | MIL-C-3993 |
| Unit of issue | EA |
| Cross-referenced NSN | 4710-01-234-4737 |
| Federal Supply Class (FSC) | 4710 — Pipe and Tube |
| Unit price (USD) | $7.00 |
| 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 metallic tube. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Material | Copper Alloy |
|---|
Rigid pipe and tube stock used for fluid and structural applications.
A seamless 70-30 copper-alloy tube of 0.250-inch diameter and 0.058-inch wall per MIL-T-16420.
Reading the part number. MIL-T-16420 cites military specification MIL-T-16420. A spec citation covers every item made to that document, so the NSN — not the spec number — is what uniquely identifies this metallic tube; the cross-referenced stock number below is the exact item.
Price in context. Across the 5 items we currently stock in FSC 4710 (Pipe and Tube), published unit prices run from $7.00 to $1,752.30. At $7.00, this item sits well below the class median of $17.52 — commodity hardware usually bought in volume.
Who orders MIL-T-16420. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 4710-01-234-4737. 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. ASTM and MIL material specifications.
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.
NSN 4710-01-278-1053
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