# DIBBS #SPE7M4-27-T-0868

DLA solicitation for six critical-application valve seats

**Posted:** October 13, 2026
**Respond By:** October 23, 2026
**Identifier:** SPE7M4-27-T-0868
**NAICS:** 332912

The Defense Logistics Agency is seeking six critical-application valve seats for its Weapons Support, Fluid Handling Division.
- **Buyer:** Defense Logistics Agency (DLA), Weapons Support, Fluid Handling Division; buyer contact: Rory O'Reilly.
- **Requested item:** Six valve seats, NSN 4810-01-390-3264 (also shown as 4810013903264); approved-source part number 43909.
- **Named OEMs and approved sources:** **Thomas Instrument, Incorporated** (CAGE 5H860 and 50LP4) and **Eaton Aerospace LLC** (CAGE 99643).
- **Notable requirements:** The item is identified as a critical application item. Delivery is required within 164 days after order; shipment is FOB origin, with inspection and acceptance at destination.
- **Services:** None listed.

### Description

SEAT, VALVE (QTY: 6, NSN: 4810-01-390-3264, Purchase Request: 7018684161)
  Approved Sources:
  - CAGE: 50LP4, Part No: 43909, Company: THOMAS INSTRUMENT, INCORPORATED
  - CAGE: 5H860, Part No: 43909, Company: THOMAS INSTRUMENT, INCORPORATED
  - CAGE: 99643, Part No: 43909, Company: EATON AEROSPACE LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M427T0868)