# DIBBS #SPE7M1-27-T-1987

DLA Request for Two Critical-Application Ring Gears

**Posted:** November 05, 2026
**Respond By:** November 16, 2026
**Identifier:** SPE7M1-27-T-1987
**NAICS:** 333613

The Defense Logistics Agency is seeking two critical-application ring gears for its Maritime Supply Chain.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Maritime Supply Chain; buyer contact: Michael Reese.
- **Requested item:** Two RING, GEAR units, NSN 4310-01-290-4994 (4310012904994), associated source part number 420100D1.
- **Approved OEM sources:** **Curtiss-Wright Electro-Mechanical Corp** and **Siemens Energy, Inc.**, both listed with part number 420100D1.
- **Notable requirements:** Critical application item; delivery is FOB Origin, due 292 days after order, with destination inspection and acceptance.

### Description

RING, GEAR (QTY: 2, NSN: 4310-01-290-4994, Purchase Request: 7019013371)
  Approved Sources:
  - CAGE: 0AT62, Part No: 420100D1, Company: SIEMENS ENERGY, INC.
  - CAGE: 8FGX3, Part No: 420100D1, Company: CURTISS-WRIGHT ELECTRO-MECHANICAL C
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M127T1987)