53450213_ material ordering data.pdf

This is a Material Ordering Data sheet (MIL-DTL-1222) for the procurement of fasteners—specifically studs, bolts, screws, and nuts—designed for applications requiring high reliability in demanding environments.

The specification requires hexagonal nuts, Type I fasteners in CRES 316 material with cold-worked condition. The ordered part number is M1222N1N10C20SDNN, configured as a 0.625-inch nut with 11UNC-2B thread series and class of fit. Socket head cap screws are not applicable to this order. The specification is dated 08 DEC 2000 and applies to fasteners intended for general, high-temperature, high-strength, and corrosive environment applications, including elevated temperatures, immersion in seawater, salt/marine environments, high preloads, and high shock loadings. Testing and reporting requirements include chemical analysis (required), mechanical property test results (required), and marking in accordance with MIL-STD-129 per DLA Procurement Note C20. Cut or ground threads are permitted. All unit, intermediate, and shipping containers must be marked per MIL-STD-129. The document was prepared by Susan Trezise, Code C/244.4, and references IDN 4523A 5345-0213, ICN 38LNG12307, KO S08, and KOI 036.