Manual Bus Transfer (MBT) Cables

This government solicitation outlines the requirements for manufacturing and delivering various shore power and single-phase cables for the Naval Submarine Support Facility (NSSF) in Groton, CT. The contractor must produce six 50-foot, 400-amp, three-phase cables with specific Viking and Duraline connectors, utilizing THOF-500 type cable per MIL-C-24368 and MIL-DTL-915G standards. Additionally, the contractor is required to manufacture eighteen 65-foot and eighteen 30-foot, 133.33-amp single-phase cables with Leviton and Duraline cam locks, using M24643/3-30UN “XLPOLYO” 1/C 600V cable. Six 30-foot, 400-amp, three-phase cables with Viking and Leviton connectors, also using THOF-500 type cable, are also specified. Two 20-foot grounding cables are also required. All cables must meet detailed material, construction, and identification specifications, with certifications and test reports submitted before delivery. The document also details specific delivery instructions and base access procedures for contractor personnel, including requirements for DBIDS credentials and background checks.

This government Request for Proposal (RFP) N6278926Q0004, issued by SUPSHIP Groton, outlines the requirement for various types of MBT cables and associated shipping. The RFP details the manufacturing specifications for different lengths, amperages, and phases of cables, including both 50FT and 30FT 400-amp (3-phase) cables, 65FT and 30FT 133.33-amp (single-phase) cables with specific cam lock connectors (LEVITON and DURALINE), and 20FT 4/0 Type "W" grounding cables. All cables must comply with DFARS 252.211-7003 for item identification and valuation, and adhere to military specifications such as MIL-C-24368/1B and MIL-DTL-915G. Contractors are required to provide certifications and test reports demonstrating compliance with contact tightness checks and the Qualified Products List. Deliveries are scheduled for August 7, 2026, to Naval Submarine Support Facility (NSSF) in Groton, CT, and contractors must follow specific base access procedures, including background checks. The RFP also includes clauses on organizational conflict of interest, hazardous material exposure, invoicing via Wide Area WorkFlow (WAWF), and on-site safety requirements.