# DIBBS #SPE7MC-27-T-1557

DLA solicitation for 26 critical-application PTFE valve seats

**Posted:** November 06, 2026
**Respond By:** November 16, 2026
**Identifier:** SPE7MC-27-T-1557
**NAICS:** 326199

DLA Weapons Support is seeking 26 critical-application PTFE valve seats for Maritime Hardware/Electrical requirements.
- Buyer: Defense Logistics Agency (DLA), DLA Weapons Support, Maritime Hardware/Electrical; contact: Paula Mcclary.
- Product: 26 each plastic polytetrafluoroethylene (PTFE) valve seats, NSN 4820-01-262-1063.
  - Approved-source part number: A0071-0001/00131-0002.
  - Named approved sources/vendors: W & O Supply Inc. and Tork Systems Inc.; the notice does not identify either company as the manufacturer.
- Notable requirements: Critical application item; delivery is required 168 days after award. FOB origin, with destination inspection and acceptance.

### Description

SEAT, VALVE (QTY: 26, NSN: 4820-01-262-1063, Purchase Request: 7019021561)
  Approved Sources:
  - CAGE: 1QP40, Part No: A0071-0001/00131-0002, Company: W & O SUPPLY INC
  - CAGE: 4YUS3, Part No: A0071-0001/00131-0002, Company: W. & O. SUPPLY, INC.
  - CAGE: 6VBX1, Part No: A0071-0001/00131-0002, Company: TORK SYSTEMS INC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7MC27T1557)