NSN 4240-01-421-3665

Part Details | AIR LINE MASK

4240-01-421-3665 An individual respiratory protective device consisting of a facepiece flexible breathing tube, air regulating valve, and a quick release hose coupling. The device may also include an air filter for removing foreign particles and odors from the air supply line, an adjustable waist belt, and an air hose with fittings for connecting the device to a supply of compressed air. A bracket is usually provided for attaching the regulating valve to the belt. This device is designed to supply fresh air to the wearer while in dust laden and contaminated areas. Excludes oxygen breathing apparatus. Excludes MASK, GAS; MASK, OXYGEN and RESPIRATOR, AIR FILTERING.

Alternate Parts: SPEC35S, M4535S, 35S, 4240-01-421-3665, 01-421-3665, 4240014213665, 014213665

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
42NOV 07, 199501-421-366517544 ( MASK, AIR LINE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4240-01-421-3665
Part Number Cage Code Manufacturer
SPEC35S09729E. D. BULLARD COMPANY
M4535S09729E. D. BULLARD COMPANY
35S09729E. D. BULLARD COMPANY
Technical Data | NSN 4240-01-421-3665
Characteristic Specifications
SPECIAL FEATURESSMALL FULL FACE MASK; B135 BREATHING TUBE ASSEMBLY WITH CONSTANT FLOW VALVE; CONTINUOUS FLOW/PRESSURE DEMAND; SOLE SOURCE REQUIRED BY STATUTE 6.302; NIOSH APPROVAL TC-19C-322 AND 321
END ITEM IDENTIFICATIONE.D. BULLARD COMPANY; SERIES M45