Precision Machined Tube Fitting Locknut Supply

The contract entails the manufacture and supply of 827 units of CRES passivated tube fitting locknuts specifically designed for 37-degree flared fluid connections, complying with the stringent industry standards SAE AS5179D and AS4841 Rev D. These components are critical for high-integrity fluid systems requiring precision, corrosion resistance, and reliable sealing performance under demanding operational conditions. The locknuts must be manufactured from corrosion-resistant steel and undergo passivation to ensure longevity and resistance to environmental degradation. The solicitation is issued as a subcontract under the Department of Defense’s Fluid Handling Division, with performance required at Tinker Air Force Base, Oklahoma, ZIP 73145-8000. The North American Industry Classification System code 332994 indicates the work falls under Other Miscellaneous Fabricated Metal Product Manufacturing. The opportunity was posted on August 4, 2026, with responses due by August 11, 2026, indicating a tight turnaround for qualified vendors. The requirement is part of a broader defense logistics effort, and all delivered units must meet exacting technical specifications to ensure compatibility and safety in aerospace and military fluid systems.