# DIBBS #SPEFA5-26-T-1121

DLA Aviation Solicitation for Carbon Seal Matching Rings (RTX Corporation, 3 units)

**Posted:** September 22, 2026
**Respond By:** September 29, 2026
**Identifier:** SPEFA5-26-T-1121
**NAICS:** 336413

This procurement opportunity from the Defense Logistics Agency (DLA) Aviation at Cherry Point, NC, seeks Carbon Seal Matching rings for Fleet Readiness Center East.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation, Fleet Readiness Center East, Cherry Point, NC
  - Buyer: Larry Kemp (Buyer Code DLK0024)
- OEMs and Vendors:
  - RTX Corporation (approved source for part number 4953951)
- Products Requested:
  - Carbon Seal Matching, Ring
    - National Stock Number (NSN): 5330LN0035445
    - Part Number: 4953951 (RTX Corporation)
    - Quantity: 3 units
- Notable Requirements:
  - Delivery required within 41 days, FOB destination
  - Strict compliance with domestic sourcing laws
  - Quality standards: SAE AS9003 or ISO 9001
  - Packaging per ASTM D3951 and MIL-STD-129
  - Inspection and acceptance at destination
  - Critical Application Item designation
- No technical documents or attachments provided beyond the solicitation summary
- Fast award process indicated

### Description

CARBON SEAL MATCHING, (QTY: 3, NSN: 5330-LN-003-5445, Purchase Request: 7018420838)
  Approved Sources:
  - CAGE: 55820, Part No: 4953951, Company: RTX CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPEFA526T1121)