BNJ_Cable Fire_Redacted.pdf

Series, PN: IW2803-LC30) was installed on PMS450 Virginia Class Submarines. At the time, approved radio frequency cable was not available and a non-MIL SPEC cable was installed in its place. Fire testing of these cables are required for submarine applications. In response to this action, NAVSEA requested MIL-DTL-17J testing data for the recently installed cable.

Non-MIL SPEC radio frequency cable (CommScope, HELIAX® Low Density Foam Coaxial Cable, corrugated copper, 1/2 in, black non-halogenated, fire retardant polyolefin jacket, PN:

LDF4RK-50A) was installed on PMS450 Virginia Class Submarines. At the time, approved radio frequency cable was not available and a non-MIL SPEC cable was installed in its place.

Fire testing of these cables are required for submarine applications. In response to this action, NAVSEA requested MIL-DTL-17J testing data for the recently installed cable.

Purchasing different communication cables from different manufacturers would produce different fire testing result. Fire testing must be conducted on the same cable installed on the in-service submarine and substitution of a different product is not technically acceptable.

Therefore, in accordance with FAR 13.106-1 (b)(1)(i), it has been determined that the circumstances of this contract action deem this brand name procurement reasonable.

3. MARKET SURVEY

A market survey was conducted. L-Comm, Time Microwave Systems, Insulated Wire Inc and CommScope are the sole manufacturer of their respective cable.

4. ADDITIONAL FACTS:

N/A

5. CUSTOMER SIGNATURE:

I certify that the statements and information provided above, are complete and correct to the best of my knowledge. I understand that the processing of this brand name justification precludes the use of full and open competition.

Signature of 1st Level Supervisor Date

Signature of Contracting Officer Date

Digitally signed by

SIEBEKINGKNOX.MICHELLE.R.

Date: 2021.02.09 10:27:55 -05'00'