Salient Characteristics_final.pdf
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- Attached to
- M61A1 Gun System Ultrasonic Parts Cleaner
- Solicitation number
- W50S6W25SSIM001
- Issued by
-
Department of the Army National Guard
About this file
The document is a Salient Characteristics specification for an M61A1 Gun System Ultrasonic Parts Cleaner, detailing precise technical requirements for an industrial cleaning machine. Key specifications include a dual-tank system with separate cleaning and rinse tanks, variable sweep frequency capability, and an optional drying module, with strict parameters such as ultrasonic watt density not exceeding 40 watts/gallon and solution temperatures limited to 160°F for washing and 140°F for rinsing. The cleaning cycle is meticulously structured, involving alternating 135-second ultrasonic cleaning and 60-second agitation/spray phases, totaling 10 minutes per part, with a separate 5-minute rinse cycle in clean tap water and drying accomplished through low-pressure compressed air (not exceeding 30 PSI) or wiping with a lint-free cloth.
The specification is part of a Request for Information (RFI) issued by the Department of the Army National Guard for the District of Columbia Air National Guard, 113 Wing at Joint Base Andrews, MD. The procurement is anticipated as a small business set-aside with NAICS code 333248, targeting vendors with 750 or fewer employees. Interested contractors are required to submit a 10-page response by March 25, 2025, at 4:00 PM EST, including company information, GSA contract details, product capabilities, previous experience, potential teaming arrangements, and socio-economic status. Responses should be emailed to bo.im.1@us.af.mil, with the goal of conducting market research to determine vendor interest and capabilities for this specialized ultrasonic parts cleaning equipment.
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Text version
Salient Characteristics
Reference: TO 11W1-12-4-32
Ultrasonic washer must meet the following requirements. Cleaning tank is designed to hold cleaning solution and provide ultrasonic cleaning and agitation for cleaning of components, a separate tank is for clean water rinse. The dynamic processing machine must have variable sweep frequency capability and provide a water rinse with optional drying module following each wash/rinse cycle. Ultrasonic watt density shall not exceed 40 watts/gallon.
The temperature of the filtered washing and rinsing solution shall not exceed 160 °F and the self-heated, high volume air drying module using air knives shall not exceed 200 °F.
Adjustable heat and time settings for both tanks are required.
Solution of Brulin Formula 815GD, product number 301007 will be mixed in an approximate 5 ounce solution to 1 gallon of water. Set wash tank to 160 °F and rinse tank to 140 °F. If difficulties are observed, then the cleaning times could easily be adjusted. The times and settings should be repeatable and adjustable.
Cleaning Cycle. Wash processing time shall not exceed 10 minutes per part per cleaning operation, limited to 30 minutes (3 cycles) for excessively soiled gun parts per cleaning operation. Parts shall not be allowed to contact the sides or bottom of the processing vessels. After cleaning, parts should be lubricated in accordance with TO directives after processing. The cleaning cycle is 10 minutes total time with the following settings:
• 135 seconds ultrasonic cleaning.
• 60 seconds agitation/spray.
• 135 seconds ultrasonic cleaning.
• 60 seconds agitation/spray.
• 135 seconds ultrasonic cleaning.
• 60 seconds agitation/spray.
Rinse Cycle. Rinse cycle should be 5 minutes in clean tap water.
Drying. Drying shall be accomplished by subjecting components to a blast of prepared dry and clean low-pressure compressed air not to exceed 30 PSI or by wiping surfaces of components with a clean, dry lint-free cloth, MIL-C-85043.
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