# DIBBS #SPE4A1-26-T-2813

Procurement of Sikorsky Tube Assembly, Metal (NSN 4710-01-321-0998)

**Posted:** September 17, 2026
**Respond By:** September 24, 2026
**Identifier:** SPE4A1-26-T-2813
**NAICS:** 336413

This opportunity is for the procurement of a Sikorsky-manufactured metal tube assembly for military aviation use.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation Supply Chain, Richmond, VA
  - Contact: Alaska Jones
- OEM and Vendor Details:
  - Sikorsky Aircraft Corporation is the sole approved OEM
- Products Requested:
  - Tube Assembly, Metal
    - NSN: 4710-01-321-0998
    - Sikorsky Part Number: 70450-21059-080
    - Quantity: 7 units
- Notable Requirements:
  - Delivery required within 360 days from contract award
  - Compliance with ISO 9001:2015 or equivalent quality standards
  - Must meet Sikorsky's alternate sampling plan
  - Packaging must comply with ASTM D3951 and DLA standards
  - Additive manufacturing is prohibited unless specifically approved
  - Must comply with Berry Amendment and Buy American Act (domestic material restrictions)
  - Destination inspection and FOB origin shipping; government arranges transportation
- No technical attachments or alternate sources are permitted; only Sikorsky OEM part is accepted.

### Description

TUBE ASSEMBLY, METAL (QTY: 7, NSN: 4710-01-321-0998, Purchase Request: 7018380919)
  Approved Sources:
  - CAGE: 78286, Part No: 70450-21059-080, Company: SIKORSKY AIRCRAFT CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A126T2813)
