National Stock Number
Tube Fitting Locknut — Fittings and Specialties; Hose, Pipe, and Tube (FSC 4730) · Part No. 8WLNSS
| National Stock Number | 4730-00-727-8913 |
|---|---|
| Item name | Tube Fitting Locknut |
| FLIS item name | Locknut, Tube Fitting |
| Part number (commercial reference) | 8WLNSS |
| Alternate references | MIL-F-18866; MS51860-56SS; SAE J514 8 070118S; 8-8 080118S; J514; 8 070118S |
| Unit of issue | EA |
| NIIN | 007278913 |
| 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 tube fitting locknut. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Material | Steel Overall |
|---|---|
| Surface Treatment | Passivate Overall |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
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.
A passivated steel tube-fitting locknut with 0.750-inch thread size for 0.500-inch tube outside diameter.
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.
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 4730-00-727-8913 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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