Nomenclature: S-250 ()/G
Part Number (Unshielded): 206618
Part Number (Shielded): 206619

The S-250 shelter makes it possible to transport to and operate a wide variety of communications and electronic equipment in the field as a mobile unit. This high strength, insulated, all-weather, general purpose mobile unit is designed to meet the user's specifications for complete systems integration.
The S-250 shelter is a foam and beam bonded sandwich construction consisting of a polyurethane foam core, aluminum skins and a framework of high strength aluminum alloy extrusions. Foam and beam panel construction provides high strength to weight ratios and facilitates ease of modification, repair, and maintenance.
The mobile shelter system is transportable by 1 1/4-ton military truck (M705, M715, and XM561), 1 1/4-ton Type E commercial utility cargo vehicle (CUCV), 1 1/4-ton High Mobility Multipurpose Wheeled Vehicle (HMMWV), military cargo aircraft such as the C-130, helicopter, and by sea or rail.

Performance Specifications:
Specification MIL-S-55541
With EMI kit 762 lbs. min. - 802 lbs. max
Without EMI kit 750 lbs. min. - 790 lbs. max
Payload: 2,530 lbs.
Roof Load:
Snow and Ice: 40 lbs./sq. ft.
Personnel and Equipment: 660 lbs. over a 2 sq. ft. area.
Floor Load: 1,000 lbs. over 3 sq. ft. area without permanent deformation
Member Loading: Wall, roof, and floor tensile load 1,000 lbs. followed by 75 inch-pounds torque load 5/16"-18 inserts
Temperature Extremes:
Operating: -65° F to +125° F plus solar load
Non-operating: -80° F to +160° F

Heat Transfer: U-factor - 0.50BTU/hr./sq. ft./° F. Designed to meet requirements of MIL-S-55541
RFI Shielding: With addition of RFI modification kit, attenuation of 60 dB minimum over 150 kHz to 10 GHz for electric and magnetic fields and plane waves measured IAW MIL-STD-285
Watertightness: Tested to 30 inch fording depth and to simulated rainfall
Lifting Eyes: Four (4) eyes with 3 in. inside clearance. 5,000 lbs. tensile load per corner in any direction
Towing Eyes: Four (4) eyes with 1.50 in. inside clearance. 5,000 lbs. tensile load per corner in any direction
Skids: Two (2) full length replaceable shock absorbing type
Roof Access Steps: Two (2) recessed folding steps in sidewall and one roof handhold
Lift/Tie Down Slings
Options: RFI modification kit

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About Wenzlau Engineering

Wenzlau Engineering, Inc. was established in 1956 to provide engineering solutions for the protection and mobilization of sophisticated electronic systems. We remain focused on our initial mission to provide each customer with a single source for mobile products and services resulting in a solution that is cost effective, quick to market and consistently reliable. Our extensive capabilities allow us to assist our clients throughout a program, including conceptualization, business development, engineering, project management, manufacturing, testing, and after sales support.