Attachment 1 - Specifications SPMYM326Q4030.pdf

This is a federal contract attachment page specifying the manufacture and delivery of hexagon nuts for aerospace applications. The contract item (Stock Number 5310-LL-DM1-1214, SMIC 5I) requires the production of nickel copper self-locking hexagon nuts with a polymide plastic (Vespel) insert, sized at 0.875"-9UNC-3B with a 450-degree service rating. Manufacturing must comply with specifications NASM25027 and NASM 17828, with material conforming to nickel copper specification QQ-N-281D, Amendment 2, in either Class A annealed (hot or cold drawn) or Class B cold drawn condition.

The contractor must provide a Certificate of Quality Conformance (Exhibit A, Sequence A001) and a Certificate of Material/Data (Exhibit A, Sequence A002) as data requirements. Additional requirements include C524 marking and certification requirements for Critical Item Management (CIM) and C500 mercury control compliance for supplies. Packaging must follow D4 preparation standards for commercially packaged items, with inspection and acceptance performed at destination per E1 and E2 inspection requirements. The contract was printed on August 11, 2023, and includes references to Special Provisions (H Section), K Section, L Section, and M Section requirements.