# PIEE #N6339426R0005

Procurement of NAVSEA LSEQ MK 6 Mod 1 Launch Sequencer and LRUs for MK 41 VLS

**Buyer:** Naval Surface Warfare Center Philadelphia Division
**Posted:** September 23, 2026
**Respond By:** October 24, 2026
**Identifier:** N6339426R0005
**NAICS:** 336419, 336414, 334519

This opportunity from the Naval Surface Warfare Center, Port Hueneme Division (NSWC PHD) focuses on acquiring launch sequencer hardware for naval missile systems.
- Government Buyer:
  - Naval Surface Warfare Center, Port Hueneme Division (NSWC PHD)
  - U.S. Navy
- OEMs and Vendors:
  - NAVSEA (Naval Sea Systems Command) is the specified OEM
- Products/Services Requested:
  - Launch Sequencer (LSEQ) MK 6 Mod 1
    - NAVSEA part number PIN 8652144-19
    - For MK 41 Vertical Launching System (VLS)
  - Associated Lowest Replaceable Units (LRUs) for MK 41 VLS
- Unique/Notable Requirements:
  - Offers must include a Material Safety Data Sheet (MSDS)
  - Multiple Award Contract (MAC) with Indefinite Delivery Indefinite Quantity (IDIQ) structure
  - No set-aside restrictions; open to all business sizes
  - No specific purchase quantities listed
- Technical Context:
  - MK 41 VLS is a critical missile launching system used on U.S. Navy ships
  - LSEQ MK 6 Mod 1 is a key control component for missile launch operations
- Only NAVSEA is referenced as the OEM; no other manufacturers or vendors are named.

### Description

The Naval Surface Warfare Center, Port Hueneme Division (NSWC PHD) is seeking to procure the LSEQ MK 6 Mod 1 NAVSEA part number (p/n) PIN 8652144-19 and associated Lowest Replaceable Units (LRU) for MK 41 VLS.

[View original listing](https://piee.eb.mil/sol/xhtml/unauth/search/oppMgmtLink.xhtml?noticeId=N6339426R0005&noticeType=SolicitationNotice)