PROPULSION SHAFT SLEEVES

MAL_1025 WORK ITEM 1: 2010-01-340-6083, Sleeve Tail Propulsion Shaft, Purchase 1. SCOPE 1.1 Intent. This supply item sets forth the requirements for the Manufacturing, Testing, Inspection, Packaging, and Marking of a propulsion shaft aft tail sleeve used on US Coast Guard 270 WMEC A & B class cutters. 1.2 Government-Furnished Property. None. 2. REFERENCES COAST GUARD DRAWINGS Coast Guard Drawing 905 WMEC 243-12, Rev A, Controllable Pitch Propeller Shafting Details COAST GUARD PUBLICATIONS None OTHER REFERENCES SAE J448, Dated 01 Aug 2011 - Surface Texture ASQ/ISO/IEC 17025:2005, General requirements for the Competence of Testing and Calibration Laboratories ISO 9001, Dated 15 Sep 2015, Quality Management Systems – Requirements ASTM E1003, Dated 15 Jan 2013, Standard Practice for Hydrostatic Leak Testing ASTM B369, Dated 01 Apr 2009 (R 2016), Standard Specification for Copper-Nickel Alloy Castings ASTM D6880/D6880M, Dated 2011, Standard Specification for Wood Boxes ASTM D7478/D7478M, Dated 2011, Standard Specification for Heavy Duty Sheathed Wood Crates MIL-STD-129R, Feb 2014 Military Marking for Shipment and Storage MIL-STD-2073-1E Change 1, January 2011, Standard Practice for Military Packaging MTI ITEM DESCRIPTION NSN P/N CAGE QTY (EA.) ESTIMATED COST ($/UNIT) N Sleeve Tail Propulsion Shaft NSN: 2010-01-340-6083 PN: 901-WMEC-243-004-PIECE 5 1 -- 1 of 7 -- ISO/IEC 16388-2007 Information technology — Automatic identification and data capture techniques — Code 39 bar code symbology specification. 2.1 Specification order of precedence. In the event of a conflict between the text of this specification and the references cited herein, this specification shall take precedence. 3. REQUIREMENTS 3.1 General. The Contractor shall provide all labor and materials to manufacture the item listed in section 1.2 above. Manufacturing shall be in accordance with this specification and the applicable detail for piece number 5 of drawing 905 WMEC 243-12 for each Tail Shaft Propulsion Sleeve (Fwd End Stern Tube). The quantity of each item to be manufactured shall be as required by the contract. 3.1.1 Tech rep. Not applicable. 3.2 Material. All sleeves manufactured under this specification shall be cast in accordance with specification ASTM B369 using UNS alloy C96400, centrifugal casting rotating mold only. Only tests specified herein shall apply. 3.3 Size, finish and tolerances. The sleeves manufactured using this specification shall be in accordance with table 1 below. TABLE 1 – SIZE, TOLERANCE AND FINISH REQUIREMENTS SIZE TOLERANCE FINISH LENGTH 49.000” +0.250” - 0.000” OUTSIDE DIAMETER 12.250” +0.050” – 0.000” 1000 RMS or smoother INSIDE DIAMETER 10.500” +0.000” - 0.020” 600 RMS or smoother 3.3.1 Finish. All finishes shall be in accordance with SAE J448 and as listed in table 1unless otherwise specified. 3.3.2 Run-out. All sleeves provided shall have a run-out of 0.002” variation per foot, but not to exceed a maximum of 0.010” for any sleeve. 3.3.3 Concentricity. The outside diameter and inside diameter of each sleeve shall be concentric with the axis of rotation to within 0.010” over the sleeve length. 3.4 Material certification. The contractor shall provide a chemical analysis of the material used, to the Contracting Officer, for each delivery order. 3.4.1 Heat. If more than one heat is used, a chemical analysis of the content of each heat shall be provided. -- 2 of 7 -- 3.4.2 Chemical analysis. Each chemical analysis shall be labeled with the applicable delivery order number and the ladle capacity. 3.5 Performance characteristics. The shaft sleeves shall not exhibit any indications of porosity, and leakage during the hydro tests. 3.5.1 Repairs. No repairs of sleeves shall be allowed, nor shall non-conforming sleeves be offered to the Coast Guard for acceptance. 3.6 Tests and inspections. The contractor shall perform the following tests and inspections. 3.6.1 Hydrostatic inspection/test. Each shaft sleeve manufactured under this specification shall have a hydrostatic inspection/test in accordance with ASTM E1003. • This test shall maintain a minimum of 50 lbs of water pressure for a minimum of ten minutes. • During this time sleeves shall show no signs of leakage or porosity. 3.6.2 Dimensional inspection. Each shaft sleeve manufactured under this specification shall have a dimensional inspection. 3.6.3 Weldability testing. Weldability testing in accordance with ASTM B369 is not required for this shaft sleeve. 3.6.4 Mechanical testing. Mechanical testing in accordance with ASTM B369 is not required for this shaft sleeve. 3.7 Notifications and inspections. The contractor shall be responsible for notifying the Contracting Officer at least ten (10) working days prior to said contractor being ready for any inspections or testing. 4. QUALITY ASSURANCE 4.1 General. The contractor shall maintain an inspection system which shall insure that each item offered to the Coast Guard for acceptance or approval conforms to the contract requirements. The inspection system shall be documented and meet the requirements of ISO 9001 and available for review by the Coast Guard. 4.2 Records. The contractor shall maintain records of all inspections and tests. The records at a minimum shall indicate the nature and number of observations made, the number and type of deficiencies found, and the corrective action taken. 4.3 Calibration system. The contractor as well as any subcontractors shall be required to maintain a test equipment calibration program in compliance with ASQ/ISO/IEC 17025. The program shall be documented and traceable to the National Institute of Standards (NIST). 4.4 Responsibility for inspection. The contractor shall be responsible for the performance of all inspection requirements specified herein. The Contractor shall provide space, personnel and test equipment for the conduct of all inspection requirements. All inspection and testing shall be performed at the contractors facility prior to the Coast Guar…