National Stock Number
Pipe To Tube Elbow — Fittings and Specialties; Hose, Pipe, and Tube (FSC 4730) · Part No. MS51813-3
| National Stock Number | 4730-00-090-8665 |
|---|---|
| Item name | Pipe To Tube Elbow |
| Part number (commercial reference) | MS51813-3 |
| Alternate references | MIL-DTL-18866; MIL-F-18866; 4DBU-S; 4 DBU-S; 4-2 080203CA; J514 |
| Unit of issue | EA |
| NIIN | 000908665 |
| NIIN assigned by | United States (NCB code 00) |
| Federal Supply Class (FSC) | 4730 — Fittings and Specialties; Hose, Pipe, and Tube |
| Federal Supply Group (FSG) | 47 — Pipe, Tubing, Hose, and Fittings |
| 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 pipe to tube elbow. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Material | Steel Comp 12L14 Overall |
|---|---|
| Thread Class | 2A 1St End |
| Thread Series Designator | Nptf 2Nd End |
| Thread Series Designator | Unf 1St End |
Fluid-line connection hardware including tube and pipe fittings, adapters, elbows, tees, unions, couplings, nipples, and bushings used to join, branch, and terminate hose, pipe, and tube.
Price in context. Across the 317 items we currently stock in FSC 4730 (Fittings and Specialties; Hose, Pipe, and Tube), published unit prices run from $0.38 to $11,915.64. At $7.00, this item sits well below the class median of $26.28 — commodity hardware usually bought in volume.
Stock activity. This item has appeared once in our supplier stock feed, most recently listed 2026-08-13, with a lot quantity of 169 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.
Typical applications. Hydraulic, pneumatic, fuel, and coolant lines on vehicles, aircraft, and ground support equipment.
Applicable standards. MS/AN flare and flareless fittings, SAE J514, MIL-DTL; steel, stainless, brass, and aluminum.
NSN 4730-00-090-8665 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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