# DIBBS #SPE7MC-27-T-1102

Three Steward Machine Valve Seats

**Posted:** October 23, 2026
**Respond By:** November 02, 2026
**Identifier:** SPE7MC-27-T-1102
**NAICS:** 332911

The Defense Logistics Agency is seeking three specialized valve seats for a maritime hardware application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Maritime Hardware/Electrical.
- **OEM / approved source:** **Steward Machine Co. Inc.** (CAGE 9E328), part number 587-551.
- **Product requested:** Three valve seats, NSN 4820-00-956-1413, CLIN 0001; described as “SEAT, VALVE. E/I VNXL FRD STM TDVN 19500 CFM.”
- **Notable requirement:** The item is identified as a critical application item.
- **Delivery:** Required 162 days after award.

### Description

SEAT, VALVE (QTY: 3, NSN: 4820-00-956-1413, Purchase Request: 7013656177)
  Approved Sources:
  - CAGE: 9E328, Part No: 587-551, Company: STEWARD MACHINE CO INC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7MC27T1102)