# SAM #NNG15SC12B_N0003926FD004

Navy sole-source award for General Dynamics KG-175X TACLANE encryptors

**Buyer:** NAVWAR
**Posted:** September 30, 2026
**Identifier:** NNG15SC12B_N0003926FD004
**NAICS:** 334111, 334290

This Navy award supports a sole-source order for NSA-certified General Dynamics KG-175X network encryption hardware.
- **Award and buyer:** The U.S. Department of the Navy, Naval Information Warfare Systems Command (NAVWAR HQ), issued order N0003926FD004 under contract NNG15SC12B through NASA SEWP.
- **Product:** General Dynamics Mission Systems, Inc. KG-175X (TACLANE) encryptor; quantity is not stated. The hardware is an unclassified Controlled Cryptographic Item used to secure high-speed local- and wide-area network communications.
- **Sole-source rationale:** The justification identifies General Dynamics Mission Systems as the only source for the KG-175X. Supply-chain controls, accountability requirements, and COMSEC distribution policies preclude third-party commercial resale.
- **Oversight:** The requiring activity and Contracting Officer will monitor certifications and distribution policies for possible future competition.
- **Timing and value:** The document does not state a period of performance or contract value.

### Description

<p>This NASA SEWP order is for KG-175X (TACLANE) Cyber Capable Encryptor hardware units manufactured by General Dynamics Mission Systems (GDMS). The KG-175X is an unclassified Controlled Cryptographic Item (CCI) designed to secure high-speed communications over local and wide-area networks and certified by the National Security Agency (NSA). GDMS is the only source ofr the KG-175X. Commercial procedures in accordance with FAR Part 12 were used in conjunction with FAR 16.505 for this procurement.</p>

[View original listing](https://sam.gov/opp/943e41c6e1f549bd8695066bf147a4a4/view)