# DIBBS #SPE7M1-27-T-2519

DLA procurement for one critical-application safety relief valve

**Posted:** November 10, 2026
**Respond By:** November 20, 2026
**Identifier:** SPE7M1-27-T-2519
**NAICS:** 332911

The Defense Logistics Agency is seeking one critical-application safety relief valve for delivery to Holloman AFB.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Maritime Supply Chain; contact: Misty Eckard.
- **Product:** One safety relief valve, NSN 4820-01-164-1727 (also listed as 4820011641727).
  - Approved-source OEMs and part numbers: **Lockheed Martin Corporation** — C1058A1-R5; **CIRCOR Aerospace, Inc.** — 559A-1M-.5.
- **Notable requirements:** Identified as a critical application item; required delivery is five days after order.

### Description

VALVE, SAFETY RELIEF (QTY: 1, NSN: 4820-01-164-1727, Purchase Request: 7019056738)
  Approved Sources:
  - CAGE: 81755, Part No: C1058A1-R5, Company: LOCKHEED MARTIN CORPORATION
  - CAGE: 91816, Part No: 559A-1M-.5, Company: CIRCOR AEROSPACE, INC.
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M127T2519)