# DIBBS #SPE7L3-26-T-294F

DLA request for one critical-application preformed back-up ring

**Posted:** September 30, 2026
**Respond By:** October 13, 2026
**Identifier:** SPE7L3-26-T-294F
**NAICS:** 339991

DLA Land and Maritime is seeking one source-controlled preformed back-up ring for a critical application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Land and Maritime, Land Supplier Operations Vehicle Support; buyer contact: Susan Diamond.
- **OEM and approved source:** **Wartsila Defense Inc.** is listed with part number H73918-01-8-6. Defense Maritime Solutions, Inc. is listed as an alternate approved source with part number H73918-01/8/6.
- **Product requested:** 1 each preformed back-up ring, NSN 5330-01-508-6081.
- **Notable requirements:** The item is for a critical application and must contain no asbestos. FOB Origin delivery, destination inspection and acceptance, and applicable packaging and marking requirements are specified.
- **Delivery:** Required within 160 days after order.

### Description

BACK-UP RING, PREFORMED (QTY: 1, NSN: 5330-01-508-6081, Purchase Request: 7018495267)
  Approved Sources:
  - CAGE: 0EYA6, Part No: H73918-01/8/6, Company: DEFENSE MARITIME SOLUTIONS, INC.
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L326T294F)