N3904025R1007_Attachment 2_TOD 4in.pdf

This document is a Technical Ordering Data (TOD) attachment for a 4-inch pipe contract with the Naval Sea Systems Command. The specification details a 4-inch Schedule 80 seamless pipe with a minimum wall thickness of 0.295", characterized as NPS 4 INCH, SCHEDULE 80, SEAMLESS, LEVEL 1. The pipe is to be manufactured per MIL-DTL-32386, with specific requirements including Type I, Class IV, Grade 1 (Annealed), Finish (e) (Bright Annealed), with preferred maximum lengths of 20 feet.

Key technical requirements include ultrasonically inspecting the pipe per MIL-DTL-32386 and MIL-STD-2132, with the vendor required to notify the purchasing agent four weeks in advance to allow Portsmouth Naval Shipyard personnel to witness ultrasonic testing. Material marking is mandatory, with each piece to be permanently marked at the ends with specific identifiers using MIL-STD-792 methods. Preservation and packaging specifications mandate shipping in wooden boxes, with 6-inch OD and larger pipes requiring 2-inch thick by 6-inch wide minimum planks, nailed or screwed together and banded with metal straps. Government inspection is required during manufacture and prior to shipment.