# DIBBS #SPE4A7-27-T-1094

DLA request for seven approved-source aircraft window panels

**Posted:** October 14, 2026
**Respond By:** October 21, 2026
**Identifier:** SPE4A7-27-T-1094
**NAICS:** 336413

The Defense Logistics Agency is seeking seven approved-source aircraft window panels for an Air Force-designated critical-safety application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Supplier Oper AE and AF Div; contact: Lawrence Rucker.
- **Product:** 7 aircraft window panels, NSN 1560-01-554-3064; approved-source part number 4F11101-103A. The purchase request is 7018671783.
- **Named OEMs and approved sources:** Sierracin Corporation, PPG Industries, Inc., GKN Aerospace Transparency Systems Inc., and Lockheed Martin Corp.
- **Notable requirements:** Suppliers must be pre-qualified or otherwise approved. Manufacturers must meet SAE AS9100 or equivalent quality-management requirements. Access to export-controlled technical data and CMMC Level 2 are required.
- **Delivery and inspection:** Delivery is required 336 days after award. FOB origin; inspection and acceptance take place at origin.

### Description

WINDOW PANEL, AIRCRAFT (QTY: 7, NSN: 1560-01-554-3064, Purchase Request: 7018671783)
  Approved Sources:
  - CAGE: 12035, Part No: 4F11101-103A, Company: SIERRACIN CORPORATION
  - CAGE: 53117, Part No: 4F11101-103A, Company: PPG INDUSTRIES, INC.
  - CAGE: 86175, Part No: 4F11101-103A, Company: GKN AEROSPACE TRANSPARENCY SYSTEMS
  - CAGE: 98897, Part No: 4F11101-103A, Company: LOCKHEED MARTIN CORP
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A727T1094)