Prop blade RH & LH

The U.S. Coast Guard seeks procurement of marine propeller blades—5 left-hand and 3 right-hand 4-blade propellers for Inland River Tenders—with quotes due August 7, 2026 and delivery required by November 30, 2026. This is a Total Small Business set-aside.

Place of performance is Curtis Bay, Baltimore, Maryland. Propellers must be manufactured from ABS Type 4 Nickel Aluminum Bronze per the WLIC WLR Post IRESSS Purchase Specification, with 48-inch diameter, 40-inch pitch, 525 RPM operation, 10.750-inch nominal hub bore, and zero rake and skew angles. Mean width ratio must be 0.36 minimum; developed area ratio 0.710 minimum. Surface finish must meet 125 micro inches per SAE-J-448A. Single-plane balancing with maximum residual unbalance of 4.63 ounces-inches is required; dimensional compliance per ISO 484/2 Class I tolerances applies. Quality assurance includes tensile, yield, and elongation testing on each ladle pour, material chemical analysis, dimensional and pitch measurement inspection, and balancing verification. All propellers require marking per MIL-STD-129R with ISO/IEC-16388-2007 Code 39 barcode symbology including NSN, part number, purchase order number, quantity, condition code, and contract number. Preservation and packaging must comply with MIL-DTL-2845E standards. Contractors must maintain NIST-traceable calibration systems and provide inspection reports to the Contracting Officer prior to government quality assurance review. Packaging and shipping charges must be included in the item price with FOB Destination to USCG Surface Forces Logistics Center, Baltimore. No substitutions are authorized without USCG technical expert approval. Vendors must be prepared for quality assurance inspections with seven calendar days' notice. Invoicing must be submitted through the IPP system as non-PO entries with vendor UEI, TIN, CAGE number, and itemized pricing. Technical contact: Michael Mooney, michael.p.mooney1@uscg.mil, 571-607-6027. Quote submission contact: Carlos Diaz Garcia, carlos.a.diazgarcia@uscg.mil. NAICS 332999; PSC 2010.