# DIBBS #SPE4A5-27-T-1445

DLA solicitation for three hardness-critical humidity controls

**Posted:** October 20, 2026
**Respond By:** October 27, 2026
**Identifier:** SPE4A5-27-T-1445
**NAICS:** 334512

The Defense Logistics Agency is seeking three humidity controls for a critical application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Supplier Operations OEM Division.
- **OEMs and approved sources:** **TX Technology LLC** and **C.L. Blankenship, Inc.** are listed as approved sources for part number 4541A43.
- **Product requested:** Three CONTROL, HUMIDITY units, NSN 6685-01-658-4143; approved-source part number 4541A43.
- **Notable requirements:** The item is designated critical-application and hardness-critical. No approved technical data package is currently available. The item requires delivery within 160 days after award/order, FOB origin, with origin inspection and acceptance; expedited delivery is encouraged.

### Description

CONTROL, HUMIDITY (QTY: 3, NSN: 6685-01-658-4143, Purchase Request: 7018675262)
  Approved Sources:
  - CAGE: 1JB18, Part No: 4541A43, Company: C.L. BLANKENSHIP, INC.
  - CAGE: 56183, Part No: 4541A43, Company: TX TECHNOLOGY LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A527T1445)