# SAM #SPRRA127RA001

Market Research for Pump Assembly, Aft for CH-47 CHINOOK

**Buyer:** DLA AVIATION AT HUNTSVILLE, AL
**Posted:** September 25, 2026
**Respond By:** September 30, 2026
**Identifier:** SPRRA127RA001
**NAICS:** 336413, 333996, 336992

The Defense Logistics Agency (DLA) at Redstone Arsenal is seeking sources for a Pump Assembly, Aft to support the CH-47 CHINOOK weapon system.
- Government Buyer:
  - Defense Logistics Agency (DLA), Redstone Arsenal
- OEMs and Vendors:
  - No specific OEMs or vendors named; procurement is currently sole source due to data rights and reverse engineering constraints
- Products Requested:
  - Pump Assembly, Aft
    - National Stock Number (NSN): 4320-01-115-3821
    - Part Number: 145DS012-4
    - Quantity: Not specified
    - Intended for CH-47 CHINOOK weapon system
- Unique Requirements:
  - Sole source procurement due to proprietary data and reverse engineering limitations
  - DLA encourages all capable firms, including small and disadvantaged businesses, to seek source approval for future solicitations
  - Market research phase; seeking information from potential manufacturers

### Description

<p>PLEASE SEE THE ATTACHED SOURCES SOUGHT</p>

[View original listing](https://sam.gov/opp/6d10705eb0de44769ea704d72c51d2b8/view)