# DIBBS #SPEFA3-27-T-0027

DLA Aviation solicitation for nine approved-source O-rings

**Posted:** October 20, 2026
**Respond By:** October 27, 2026
**Identifier:** SPEFA3-27-T-0027
**NAICS:** 339991

DLA Aviation – Jacksonville is seeking nine O-rings for delivery to Fleet Readiness Center Southeast/DLA Distribution Jacksonville.
- Government buyer: Defense Logistics Agency (DLA), DLA Aviation, DLA Aviation – Jacksonville; buyer contact: James Green.
- Product requested:
  - 9 O-rings, NSN 5331LN0035611 (also shown as 5331-LN-003-5611), approved-source part number 53-34X5-33SL1013A.
- Approved-source OEMs:
  - The Boeing Company
  - Trelleborg Sealing Solutions (UK)
  - BAE Systems (Operations) Limited
- Notable requirements:
  - Delivery is required within 84 days after order.
  - FOB destination, with delivery to Fleet Readiness Center Southeast/DLA Distribution Jacksonville.
  - Inspection and acceptance take place at the destination.
  - No additional product specifications are provided in the supplied solicitation information.

### Description

O-RING (QTY: 9, NSN: 5331-LN-003-5611, Purchase Request: 7018789042)
  Approved Sources:
  - CAGE: 76301, Part No: 53-34X5-33SL1013A, Company: THE BOEING COMPANY
  - CAGE: U1068, Part No: 53-34X5-33SL1013A
  - CAGE: U9143, Part No: 53-34X5-33SL1013A, Company: BAE SYSTEMS (OPERATIONS) LIMITED
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPEFA327T0027)
