# DIBBS #SPE7L3-27-T-0117

DLA solicitation for one Trelleborg preformed back-up ring

**Posted:** October 06, 2026
**Respond By:** October 16, 2026
**Identifier:** SPE7L3-27-T-0117
**NAICS:** 339991, 326291

The Defense Logistics Agency is seeking a single Trelleborg preformed back-up ring for its Land and Maritime organization.
- **Buyer:** Defense Logistics Agency (DLA), DLA Land and Maritime, Land Supplier Operations Vehicle Support; contact: Susan Diamond.
- **OEM:** **Trelleborg Sealing Solutions US, Inc.** is the identified approved source.
- **Requested item:** One preformed back-up ring, NSN 5330-01-583-3867; manufacturer part number BUS7-0-M116-A-T99.
- **Delivery and requirements:** Delivery is required within 5 days after order, FOB Origin. Destination inspection and acceptance apply. Packaging and marking must follow the specified military standards, including the marking “Do not bend.”
- **Services:** None identified.

### Description

BACK-UP RING, PREFORMED (QTY: 1, NSN: 5330-01-583-3867, Purchase Request: 7018558631)
  Approved Sources:
  - CAGE: 09257, Part No: BUS7-0-M116-A-T99, Company: TRELLEBORG SEALING SOLUTIONS US, IN
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L327T0117)