# DIBBS #SPE7L3-27-T-0521

DLA Request for 651 Preformed Packings / Back-Up Rings

**Posted:** October 13, 2026
**Respond By:** October 23, 2026
**Identifier:** SPE7L3-27-T-0521
**NAICS:** 339991

DLA Weapons Support is seeking a one-time delivery of 651 preformed packings for a military supply requirement.
- Government buyer: Defense Logistics Agency (DLA), DLA Weapons Support, Land Supplier Operations Vehicle Support; contact: Susan Diamond.
- Product: 651 preformed packings/back-up rings, NSN 5330-00-811-4907. Approved part numbers are LS4565-222 and LS4565-27.
- **Named approved sources/OEMs:** Dodge-Wasmund Manufacturing Inc., Lockheed Martin Corp., Parco, LLC, and Trelleborg Sealing Solutions US, Inc. LS4565-222 is associated with all four sources; LS4565-27 is associated with Lockheed Martin Corp.
- The item is designated critical and requires source inspection. Alternate offers require a complete technical data package.
- Offerors and proposed sources need approval to access export-controlled technical data and must have JCP certification.
- Delivery is FOB Origin and due within 131 days after order.

### Description

PACKING, PREFORMED (QTY: 651, NSN: 5330-00-811-4907, Purchase Request: 7018676443)
  Approved Sources:
  - CAGE: 02886, Part No: LS4565-222
  - CAGE: 09257, Part No: LS4565-222, Company: TRELLEBORG SEALING SOLUTIONS US, IN
  - CAGE: 77308, Part No: LS4565-222, Company: PARCO, LLC
  - CAGE: 98897, Part No: LS4565-222, Company: LOCKHEED MARTIN CORP
  - CAGE: 98897, Part No: LS4565-27, Company: LOCKHEED MARTIN CORP
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L327T0521)