# DIBBS #SPE7L3-27-T-0517

DLA Solicitation for 64 Metal Seal Rings with Government First-Article Testing

**Posted:** October 13, 2026
**Respond By:** October 23, 2026
**Identifier:** SPE7L3-27-T-0517
**NAICS:** 339991

The Defense Logistics Agency is seeking critical-application metal seal rings for DLA Weapons Support’s Land Supplier Operations Vehicle Support office.
- **Buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Land Supplier Operations Vehicle Support; contact listed as Susan Diamond.
- **Requested item:** 64 metal seal rings, NSN 5330-00-765-8176, approved-source part number 358159.
- **Approved-source manufacturers:** **RTX Corporation**, **Union Machine Company of Lynn, Inc.**, and **Paramount Machine Company, Inc.**
- **First-article requirement:** Government first-article testing is required; 3 units are specified for testing, separate from the 64 production units.
- **Notable requirements:** Critical-application item; origin inspection and acceptance; CMMC Level 2; access to export-controlled technical data; and specified protective packaging.
- **Delivery:** Production delivery is required 524 days after award; first-article units are due within 180 calendar days of contract date.

### Description

GOVERNMENT FIRST ARTIC (QTY: Qty - See Solicitation, NSN: 0001S00000052, Purchase Request: 7018680946)
SEAL RING, METAL (QTY: 64, NSN: 5330-00-765-8176, Purchase Request: 7018680946)
  Approved Sources:
  - CAGE: 2T575, Part No: 358159, Company: PARAMOUNT MACHINE COMPANY, INC.
  - CAGE: 51992, Part No: 358159, Company: UNION MACHINE COMPANY OF LYNN, INC
  - CAGE: 52661, Part No: 358159, Company: RTX CORPORATION
  - CAGE: 77445, Part No: 358159, Company: RTX CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L327T0517)