# DIBBS #SPE7M4-27-T-2309

DLA Request for Four Mission Systems Davenport RING TUNNEL Units

**Posted:** November 06, 2026
**Respond By:** November 16, 2026
**Identifier:** SPE7M4-27-T-2309
**NAICS:** 336992

The Defense Logistics Agency is seeking four critical-application ring tunnels for its Weapons Support, Fluid Handling Division.
- Buyer: Defense Logistics Agency (DLA), Weapons Support, Fluid Handling Division.
- Product: Four RING TUNNEL units, NSN 1680-01-660-6317; OEM part number 411676-1.
- OEM/approved source: **Mission Systems Davenport Inc.** (CAGE 72429).
- Requirements: Delivery within 168 days, FOB origin, with inspection and acceptance at origin. Packaging must meet DLA requirements and ASTM D3951; marking must comply with MIL-STD-129.

### Description

RING TUNNEL (QTY: 4, NSN: 1680-01-660-6317, Purchase Request: 7019019605)
  Approved Sources:
  - CAGE: 72429, Part No: 411676-1, Company: MISSION SYSTEMS DAVENPORT INC.
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M427T2309)