NUT, SELF-LOCKING, SLOTTED, HEXAGON

Solicitation SPE4A5-26-T-422S is a fixed-price procurement issued by DLA Aviation for the supply of five self-locking slotted hexagon nuts, identified by NSN 5310-00-047-2391 and part number MS21225-4. The requirement is designated as a critical application item and must adhere to technical specifications including NASM21225 Revision 3 and QAP 13873. Delivery is required within five days after receipt of order, with an original required delivery date of December 24, 2025. Shipping is FOB Origin, with inspection and acceptance occurring at the destination. The contract mandates strict quality and packaging compliance, requiring adherence to MIL-STD-129 for marking and ASTM D3951 for packaging, with DLA Master List requirements taking precedence. Quality conformance is governed by RQ006 and sampling must follow MIL-STD-1916 or ASQ H1331, with a requirement for zero non-conformances in sample lots. Administrative requirements include the use of the Wide Area WorkFlow system for invoicing and compliance with various FAR and DFARS clauses, including the Buy American Act, the Berry Amendment, and cybersecurity standards for safeguarding covered defense information.