# DIBBS #SPE8E8-26-T-5695

DLA Solicitation for HDT Environmental Control System (NSN 4120-01-551-9191)

**Posted:** September 18, 2026
**Respond By:** September 28, 2026
**Identifier:** SPE8E8-26-T-5695
**NAICS:** 334512, 333415

The Defense Logistics Agency (DLA) Troop Support, Construction & Equipment (LGTNG II) office in Philadelphia is seeking bids for an Environmental Control System.
- Government Buyer:
  - Defense Logistics Agency (DLA), Troop Support, Construction & Equipment (LGTNG II), Philadelphia, PA
- OEM Highlight:
  - HDT Expeditionary Systems Inc. is the sole approved manufacturer
- Products Requested:
  - Environmental Control System
    - NSN: 4120-01-551-9191
    - Part Number: KS4853CAAFHMX
    - Quantity: 1 unit
- Delivery & Performance:
  - Delivery required within 20 days to Weldon Spring USAR Center, Saint Charles, MO
  - Inspection and acceptance at destination
- Notable Requirements:
  - Strict compliance with domestic sourcing laws
  - Cybersecurity requirements must be met
  - Hazardous material labeling and packaging per ASTM D3951 and MIL-STD-129
- Small business set-aside; only HDT Expeditionary Systems Inc. is listed as the approved source

### Description

ENVIRONMENTAL CONTROL (QTY: 1, NSN: 4120-01-551-9191, Purchase Request: 7018381668)
  Approved Sources:
  - CAGE: 0WJE1, Part No: KS4853CAAFHMX, Company: HDT EXPEDITIONARY SYSTEMS INC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE8E826T5695)
