# DIBBS #SPE4A5-26-T-475H

DLA Aviation Solicits Humidity Control Units (NSN 6685-01-658-4143)

**Posted:** September 25, 2026
**Respond By:** October 02, 2026
**Identifier:** SPE4A5-26-T-475H
**NAICS:** 333415

The Defense Logistics Agency (DLA) Aviation is seeking humidity control units for its operations.
- Government Buyer:
  - Defense Logistics Agency (DLA)
  - DLA Aviation, ASC Supplier Operations OEM Division
- OEMs and Vendors:
  - C.L. Blankenship, Inc.
  - TX Technology LLC
- Products Requested:
  - CONTROL, HUMIDITY units
    - NSN 6685-01-658-4143
    - Part number: 4541A43
    - Quantity: 2 units
- Unique/Notable Requirements:
  - Hardness critical item
  - Must comply with MIL-STD-129 marking and DLA packaging requirements (MIL-STD-2073-1E)
  - Delivery required within 123 days, FOB origin
  - Domestic origin required; compliance with Buy American Act
  - Additive manufacturing items prohibited unless approved
- No technical documents or attachments provided
- Fast award procurement

### Description

CONTROL, HUMIDITY (QTY: 2, NSN: 6685-01-658-4143, Purchase Request: 7015853307)
  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=SPE4A526T475H)