# DIBBS #SPE7L3-27-T-1330

DLA request for three Greene, Tweed preformed back-up rings

**Posted:** October 26, 2026
**Respond By:** November 05, 2026
**Identifier:** SPE7L3-27-T-1330
**NAICS:** 339991

DLA is seeking three critical-application preformed back-up rings for a land-systems supply requirement.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Land Supplier Operations Vehicle Support.
- **OEM / approved source:** **Greene, Tweed & Co. Inc.** (CAGE 5F573), part number 7439FT4780.
- **Product:** Three preformed back-up rings, NSN 5330-01-654-1566; quantity 3 EA.
- **Notable requirements:** Must meet TDP Rev A Gen 1 and applicable FAA airworthiness approval, bare-item marking, IUID, supply-chain traceability, and DLA packaging and marking requirements.
- **Delivery:** FOB Origin, required 151 days after award.

### Description

BACK-UP RING, PREFORMED (QTY: 3, NSN: 5330-01-654-1566, Purchase Request: 7018682629)
  Approved Sources:
  - CAGE: 5F573, Part No: 7439FT4780, Company: GREENE TWEED & CO INC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L327T1330)