# DIBBS #SPE4A7-26-T-789Z

DLA Aviation Solicits Composite Aft Nacelle IRS Shell Assemblies, NSN 1680-01-599-1749, Qty 2

**Posted:** September 24, 2026
**Respond By:** October 01, 2026
**Identifier:** SPE4A7-26-T-789Z
**NAICS:** 336413

This opportunity from the Defense Logistics Agency (DLA) Aviation ASC Supplier Operations AE and AF Division seeks procurement of Composite Aft Nacelle IRS Shell Assemblies for aviation applications.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation ASC Supplier Operations AE and AF Division
  - Buyer: April Reed, Buyer Code DAR0129
- OEMs and Approved Sources:
  - Bell Boeing Joint Project Office
  - Applied Composite Structures, Inc.
  - Bell Textron Inc.
- Products Requested:
  - Composite Aft Nacelle IRS Shell Assembly
    - NSN: 1680-01-599-1749
    - Part Number: C-01256-8
    - Quantity: 2 units
- Notable Requirements:
  - Critical application item; source approval required from Design Control Activity
  - Packaging must comply with ASTM D3951 and MIL-STD-129
  - Inspection and acceptance at origin
  - Delivery required within 157 days from award
  - First Destination Transportation program applies
- No additional services requested

### Description

COMPOSITE AFT NACELLE (QTY: 2, NSN: 1680-01-599-1749, Purchase Request: 7018248475)
  Approved Sources:
  - CAGE: 3B1R2, Part No: C-01256-8, Company: BELL BOEING JOINT PROJECT OFFICE
  - CAGE: 8N007, Part No: C-01256-8, Company: APPLIED COMPOSITE STRUCTURES, INC.
  - CAGE: 97499, Part No: C-01256-8, Company: BELL TEXTRON INC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A726T789Z)
