162 ECS Tester Repair - Intent to Sole Source
DEPT OF DEFENSE
Notice type
Presolicitation
Solicitation #
W50S6S26PSA011
NAICS
334515
PSC
4920
Set-aside
Small Business Set Aside - Total
Posted
August 24, 2026
Response due
August 25, 2026
Place of performance
Tucson, AZ
What this opportunity is
The Department of Defense intends to procure repair services for the Howell Instruments Environmental Control System Tester (Part Number: H301-4), which is essential for troubleshooting aircraft ECS. This opportunity is set aside for small businesses, making it suitable for those in the 334515 NAICS category. As a presolicitation notice, interested vendors should track this opportunity closely to prepare for potential bidding once the solicitation is released.
Analysis by Mindy, grounded in the SAM.gov notice.
Description
ECS Tester Specifications
MFG: Howell Instruments
Model: Environmental Control System Tester
Part Number: H301-4
Conforming to the below requirements :
Comprehensive Testing: Designed for troubleshooting Environmental Control Systems (ECS) on aircraft utilizing a 41-pin test connector.
Temperature Subsystem: Measures temperatures from -65°F to 999°F using platinum Resistance Temperature Detectors (RTDs).
Pressure Subsystem: Features four selectable pressure ranges:
0-20 inches H2O
0-15 PSIG
0-60 PSIG
0-300 PSIG
Multimeter Subsystem: Includes an auto-ranging multimeter for measuring:
AC/DC Volts
DC Milliamperes
Ohms
Digital Display: Equipped with a microprocessor-controlled digital display panel for readouts and includes a self-test function on startup.
Power Input: Operates on 28 ± 4 VDC, 1.5 amperes maximum.
Portable Design: Consists of a main instrument case and a separate accessory case for storing all required cables, hoses, and probes.
Source: SAM.gov, as posted. Verify the current solicitation before responding.
Pursue this opportunity with Mindy
See who holds it now, who else is bidding, and draft your response — grounded in real government data, not generic AI.
View the original notice on SAM.gov ↗Similar Active Opportunities (NAICS 334515)
81 EWS Agile Signal Generator RQMT-28674
DEPT OF DEFENSE · Combined Synopsis/Solicitation · due August 25, 2026
Spectrum Analyzer
DEPT OF DEFENSE · Sources Sought · due September 5, 2026
Electronic Test and Measurement Equipment
ENERGY, DEPARTMENT OF · Combined Synopsis/Solicitation · due August 28, 2026
DENTCHECK TOOLKIT
DEPT OF DEFENSE · Solicitation · due August 24, 2026
Notice of Intent to Award Sole Source: 372TRS 2M MTR TEST SYSTEM
DEPT OF DEFENSE · Special Notice · due August 26, 2026
Keysight UXA Signal Analyzer Support
DEPT OF DEFENSE · Combined Synopsis/Solicitation · due August 31, 2026