Industrial 4730-00-859-3541 Nut Sleeve Couplings

Eight USGI Mil-Spec MS21921-16J flareless 1-inch nut sleeve couplings (part 4730-00-859-3541) are included in this lot, offering a standardized set of fittings that conform to the MS21921-16J military specification and carry USGI provenance for reliability and traceability. These flareless 1-inch nut sleeve fittings are designed to mate with 1-inch connections using a nut sleeve interface, and the MS21921-16J designation identifies them as compliant with a government-standard family of hardware components used in military and related applications. With part number 4730-00-859-3541, buyers can uniquely identify this exact batch of eight identical couplings, supporting precise sourcing, inventory control, and compatibility verification within systems that rely on MIL-SPEC MS21921-16J flareless fittings and where traceability to a defined part number is essential.