# DIBBS #SPE7LX-27-U-0188

DLA RFQ for 35 Metal Seal Rings

**Posted:** October 15, 2026
**Respond By:** October 29, 2026
**Identifier:** SPE7LX-27-U-0188
**NAICS:** 339991

DLA Weapons Support is seeking quotes for an estimated 35 metal seal rings for a stationary air bearing application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Strategic Acquisition Program Directorate; listed contact: Theodore Misiolek.
- **Requirement:** 35 estimated units of a metal seal ring, NSN 5330-01-172-3379, approved-source part number 4055T62P01. The item is described as “SEAL RING METAL (SEAL STATIONARY AIR #2 BEARING).”
- **Approved sources / OEMs:** **ELECTRO-METHODS, L.P.; UNION MACHINE COMPANY OF LYNN, INC.; and GENERAL ELECTRIC COMPANY.** The procurement identifies only acceptable sources; technical data is proprietary or insufficient for an open competitive procurement.
- **Quantity and ordering:** Estimated annual quantity is 35 EA; the guaranteed minimum is 5 EA after the contract is binding, and each delivery order must be for at least 8 EA. The estimated quantity is not guaranteed to be purchased.
- **Notable requirements:** Export-control access approval and CMMC Level 2 certification apply. Delivery is FOB Origin and due within 30 days after each order.

### Description

SEAL RING, METAL (QTY: 35, NSN: 5330-01-172-3379, Purchase Request: 1000246918)
  Approved Sources:
  - CAGE: 33617, Part No: 4055T62P01, Company: ELECTRO-METHODS, L.P.
  - CAGE: 51992, Part No: 4055T62P01, Company: UNION MACHINE COMPANY OF LYNN, INC
  - CAGE: 99207, Part No: 4055T62P01, Company: GENERAL ELECTRIC COMPANY
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7LX27U0188)
