53450215_ material ordering data.pdf

This is a Material Ordering Data sheet (MIL-DTL-1222) for the procurement of high-reliability fasteners, specifically hexagonal nuts conforming to CRES 316 material specifications in a cold-worked condition. The document provides detailed ordering specifications for fasteners meeting MIL-DTL-1222J, which is designed for general, high-temperature, high-strength, and corrosive environment applications requiring elevated reliability standards. The fasteners are intended for applications including elevated temperatures, immersion in seawater, salt/marine environments, high preloads, and high shock loadings.

The specific part number required is M1222N1N14C20SDNN, configured as a hexagonal nut with socket head cap screws style, sized at 0.875 inches with 9UNC-2B thread series and class of fit. Testing and reporting requirements include chemical analysis (YES), mechanical property test results (YES), and identification markings per NSTM S9086-CJ-STM-010 Chapter 75 Revision 5, which requires Level I alloy steel socket head capscrews to be marked "A574" or "STM." All containers must comply with MIL-STD-129 marking standards per DLA Procurement Note C20. No self-locking element is required, and cut or ground threads are permitted. The document was prepared by Susan Trezise under code C/244.4.