# DIBBS #SPE7L3-27-T-0492

DLA solicitation for 78 RTX metal seal rings

**Posted:** October 13, 2026
**Respond By:** October 23, 2026
**Identifier:** SPE7L3-27-T-0492
**NAICS:** 339991

DLA Weapons Support is seeking a restricted-source supply of 78 critical-application metal seal rings.
- Buyer: Defense Logistics Agency (DLA), DLA Weapons Support, Land Supplier Operations Vehicle Support; buyer contact: Susan Diamond.
- Product: 78 each metal seal rings, NSN 5330-00-343-7437; OEM part number 4020637.
- **OEM / approved source: RTX Corporation** (CAGE codes 52661 and 77445). The item is restricted-source and must be manufactured to cited OEM drawings.
- Requirements: Contractor first-article testing of three units, with a test report due within 60 calendar days of contract award. Origin inspection and acceptance and FOB-origin delivery apply, along with specified technical, quality, and packaging requirements.
- Performance: Single-delivery supply procurement, with a stated delivery period of 522 days.

### Description

CONTRACTOR FIRST ARTIC (QTY: Qty - See Solicitation, NSN: 0001S00000053, Purchase Request: 7018676711)
SEAL RING, METAL (QTY: 78, NSN: 5330-00-343-7437, Purchase Request: 7018676711)
  Approved Sources:
  - CAGE: 52661, Part No: 4020637, Company: RTX CORPORATION
  - CAGE: 77445, Part No: 4020637, Company: RTX CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L327T0492)