1.4 1301266371 BNJ_Redacted.pdf

This document is a NAVSUP Fleet Logistics Centers Sole Source/Brand Name Requirement form for a specific naval equipment seal. The requirement is to procure an AESSEAL AES CURC 4" cartridge Seal, 316SS, Carbon/TC faces, with Viton O-Rings, Part Number MSAZA70157CTV010400 and Lab Tecta bearing isolator seal, 4.00"ID x 4.750"OD, Part Number BML1132PP001138TE. The required delivery date is 9/30/25, and the document indicates this is a brand name requirement specifically for seals used in Main Seawater Circulating Pump systems on Military Sealift Trans-alteration TAKE 1-10-329 vessels.

The document emphasizes that these seals are direct replacements for existing equipment, with AESSEAL being the Original Equipment Manufacturer (OEM). The technical justification highlights that these specific seals were originally specified and tested to prevent premature failure of Main Seawater Circulating Pump systems, and no other manufacturers' mechanical seals will fit the pump housing. The procurement is considered critical for mission equipment, with the documentation noting that these parts are essential for maintaining the reliability and effectiveness of the ship's critical systems.