# DIBBS #SPE4A7-27-T-3863

DLA seeks eight Boeing-associated phenolic flap-seal blocks

**Posted:** November 12, 2026
**Respond By:** November 19, 2026
**Identifier:** SPE4A7-27-T-3863
**NAICS:** 336413

The Defense Logistics Agency is seeking eight critical-application phenolic flap-seal blocks for aircraft support.
- **Buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Supplier Oper AE and AF Div; contact: Sabrina Keyser.
- **OEM / technical-data owner:** **Boeing** is referenced in the restricted technical-data license conditions.
- **Product:** 8 PHENOLIC BLOCK, FLAP SEAL; NSN 1560-01-053-0491; part number 65-28928-9. The item is identified as a critical application item.
- **Requirements:** Delivery within 117 days; FOB origin; origin inspection and acceptance. Export-controlled technical data requires approved JCP certification and DLA access approval. Applicable Boeing license conditions, drawings, and special-process requirements apply.

### Description

PHENOLIC BLOCK, FLAP SE (QTY: 8, NSN: 1560-01-053-0491, Purchase Request: 7018414560)
  Approved Sources:
  - CAGE: 0C7H8, Part No: 65-28928-9, Company: D-J ENGINEERING INC
  - CAGE: 2V045, Part No: 65-28928-9, Company: MALONES CNC MACHINING INC
  - CAGE: 3CTQ9, Part No: 65-28928-9, Company: RU ENTERPRISES, INC
  - CAGE: 419Y2, Part No: 65-28928-9, Company: TOP FLIGHT AEROSTRUCTURES, INC.
  - CAGE: 59213, Part No: 65-28928-9, Company: AERO COMPONENTS, LLC
  - CAGE: 81205, Part No: 65-28928-9, Company: THE BOEING COMPANY
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A727T3863)
