WORK ITEM 1 2010-01-340-6083.pdf

This is a technical specification document (Work Item 1) detailing requirements for manufacturing, testing, inspection, packaging and marking of propulsion shaft tail sleeves used on US Coast Guard 270 WMEC A & B class cutters. The document specifies NSN 2010-01-340-6083 and P/N 901-WMEC-243-004-PIECE 5.

The sleeve must be manufactured from UNS alloy C96400 copper-nickel using centrifugal casting with specific dimensions: 49.000" length, 12.250" outside diameter, and 10.500" inside diameter. Key quality requirements include hydrostatic testing at 50 lbs water pressure for 10 minutes, dimensional inspections, ISO 9001 quality management system compliance, and specific surface finish requirements of 1000 RMS or smoother for outside diameter and 600 RMS or smoother for inside diameter. The sleeves must be individually packaged in wood boxes with proper markings and shipped to the Coast Guard Surface Forces Logistics Center in Curtis Bay, MD. No repairs or non-conforming sleeves are allowed for acceptance.