RFI_M250-KS4 MGT Engine Repair Contract - Rev. 0 (1).docx

Request for Information

N64498-26-RFPREQ-PD-42-0063

Model M250-KS4 Marine Gas Turbine Engine Repair

REQUIREMENT DESCRIPTION/ DRAFT SCOPE

The Naval Surface Warfare Center, Philadelphia Division is hereby issuing a Request for Information (RFI) from all potential sources to provide information regarding a commercial, modified commercial, or non-commercial product/service solution(s) to the below specifications:

THIS REQUEST FOR INFORMATION (RFI) NOTICE is being issued by the Department of the Navy, Naval Surface Warfare Center, Philadelphia Division (NSWCPD). NSWCPD, on behalf of the 2SCOG Program, which has a requirement for depot-level repair services of the U.S Navy M250-KS4 Marine Gas Turbine Engines (MGT), National Stock Number (NSN) 2835-01-493-3966. The M250-KS4 marine gas turbine engine is utilized onboard DDG-51 Class ships as a Redundant Independent Mechanical Start System (RIMSS) for the Ship Service Gas Turbine Generator sets (SSGTG). This engine is also used on the LCS Freedom Variant as the M250 Starting System. This effort is to support the repair of the M250-KS4 marine gas turbine engines, to return the assets to Ready for Issue condition. The Offeror must possess a valid Authorized Maintenance Repair and Overhaul Centers (AMROC) agreement for the M250 family of engines, to be considered an authorized repair facility of Rolls-Royce Corporation (RRC) and thus the M250-KS4. RRC is the Original Equipment manufacturer (OEM) for the M250 family of engines. By holding a valid AMROC agreement, the Offeror is granted access to all required drawings, repair procedures, and quality assurance procedures. The Offeror shall, at a minimum, have an operational test cell and repair facility. The contractor shall test for both proper function and performance throughout the entire range of operation from start through the full power rating. The contractor shall be fully capable of performing the following: functional testing of the gas turbine engine including vibration, starting, restarting, and acceleration. The Offeror shall demonstrate they own or have access to all OEM produced special tools, engine stands and fixtures required to completely disassemble, repair and reassemble the M250-KS4 engine. Substitution of non-OEM special tooling will not be accepted.

OEM Specialized Tools and Equipment:

Overhaul.

Accessory Used to test and calibrate overhauled oil pump and miscellaneous valves.

Rotor Tie Bolt Stretch Measures compressor tie bolt stretch using 14 in. to 15 in. micrometer and ball attachment to pick up center of tie bolt.

Rotor Used to support the compressor rotor during assembly and disassembly.

Support Shaft Used to hold and align the torquemeter support shaft while removing and installing the torquemeter support shaft nut.

flow prior to installation on the engine.

Tube Assembly Pressure Check Used to pressure test discharge air tube.

Assembly Pressure tests the brazed joint of the sump assembly.

Producer Rotor Assembly Adapter Checks PD of the adapter spline relative to the bearing journals.

of the rotor.

Orifice Used during test to select orifice size.

face in relation to axis of rotor.

supports.

Power Turbine Supports Bearing Bores Used to check the location of the bearing bores in the power turbine and gas producer supports.

Rotor Balances Power Turbine Rotor

Turbine Balances the Gas Producer

Turbine Rotor Used to pressure test the power turbine inner shaft to outer shaft joint.

for alignment build procedure.

Bellows Seal Used to perform leak check on the No. 5 bearing oil billows seal after replacement.

Rotor Used to check concentricity of the assembled rotor.

Gearshaft Used to install the 2 1/2 bearing inner race on the spur adapter gearshaft.

SUBMISSION OF RESPONSES:

Vendors are requested to provide brochures, literature and/or information on their supply/service. Vendors are further required to provide the following information:

a.) Company name, address, phone number, primary contact(s), email address, ALL applicable NAICS code(s), business size (i.e., small/large), company's socioeconomics (i.e., woman-owned, Service Disabled Veteran Owned, HUBZone, 8(a), etc.) and DUNS Number.

b.) To be found capable, the company shall be a Roll-Royce Authorized Maintenance Repair & Overhaul Centers (AMROC) for the M250 family of engines and demonstrate they own or have access to all OEM produced special tools, equipment, and fixtures; written evidence of agreement must be provided.

c.) Ability to meet the total engine Repair Turn-Around-Time (RTAT) of 180 days.

d.) Typical capabilities included.

e.) Equipment origin or place of manufacture.

f.) User(s) location and representative that agency may contact to discuss the product(s).

g.) Warranty information.

h.) Any other information needed/provided from Customer.

Anticipated Contract Type (if known): TBD

RFI Point of Contact:

Jenny Tomeo Jenny.e.tomeo.civ@us.navy.mil

Response Date: 03 June 2026

NOTE: THE PROVIDED INFORMATION SHALL NOT EXCEED MORE THAN TEN PAGES IN LENGTH.

DISCLAIMER: this RFI is for informational/planning purposes only. This is not a request for quote/proposal. It does not constitute any form of solicitation and shall not be construed as a commitment by the government. Responses in any form are not offers and the government is under no obligation to make any form of award as a result of this announcement. No funds are available to pay for preparation of responses to this announcement. Any information submitted by respondents to this RFI is strictly voluntary.

All information received in response to this rfi marked “proprietary” will be safegarded and handled accordingly. Interested parties are responsible for adequately marking proprietary or competition sensitive information that is contained in their response