NSN 4240-01-251-9401

Part Details | AIR LINE MASK

4240-01-251-9401 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: DUB13115M4101, D-UB1311-5M410-1, CUB111M2101, C-UB111M2101, 801378, 484936, 481223, EUB13115M4131, E-UB1311-5M413-1, EUB13115M4101, E-UB1311-5M410-1, 4240-01-251-9401, 01-251-9401, 4240012519401, 012519401

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
42MAR 26, 198701-251-940117544 ( MASK, AIR LINE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4240-01-251-9401
Part Number Cage Code Manufacturer
D-UB1311-5M410-155799MINE SAFETY APPLIANCES COMPANY
C-UB111M210155799MINE SAFETY APPLIANCES COMPANY
80137855799MINE SAFETY APPLIANCES COMPANY
48493655799MINE SAFETY APPLIANCES COMPANY
48122355799MINE SAFETY APPLIANCES COMPANY
E-UB1311-5M413-155799MINE SAFETY APPLIANCES COMPANY
E-UB1311-5M410-155799MINE SAFETY APPLIANCES COMPANY
Technical Data | NSN 4240-01-251-9401
Characteristic Specifications
SPECIAL FEATURESSOLE SOURCE REQUIRED BY STATUTE 6.302
CRITICALITY CODE JUSTIFICATIONFEAT