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National Stock Number:
4240-00-495-9146
Federal Supply Class:
4240
National Item Identification Number:
004959146
Description:
HOSE ASSEMBLY,AIR DUCT,AIR BREAT
Detail:
A LENGTH OF HOSE, AIR DUCT, AIR BREATHING WHICH MAY HAVE END COUPLINGS ON ONE OR BOTH END/OR INCORPORATES A COMMUNICATION CABLE. IT IS DESIGNED FOR USE IN BREATHING OXYGEN SYSTEM, AIR LINE MASKS, GAS MASKS, AND THE LIKE. EXCLUDES ITEMS WHICH INCLUDE THE BRANCH OR FORK HOSES; ASSEMBLIES MADE UP OF THE OXYGEN BREATHING HOSE, COMMUNICATION CABLE, WIRING FOR FACE MASK HEATER, AND VENT AND PRESSURE DUCTS FOR THE ANTI-GSUIT AND HOSE ASSEMBLY, NONMETALLIC.
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Manufacturer Information:
| 449267 | 55799 | MINE SAFETY APPLIANCES COMPANY | | 801165 | 55799 | MINE SAFETY APPLIANCES COMPANY |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OR | | STEEL CORROSION RESISTING 1ST END COUPLING | | COPPER ALLOY OR | | STEEL CORROSION RESISTING 2ND END COUPLING | | STYLE DESIGNATOR | SLEEVE SECTION | | CROSS-SECTIONAL SHAPE STYLE | ROUND | | INSIDE DIAMETER | 0.750 INCHES NOMINAL FIRST END | | WALL THICKNESS | 0.093 INCHES NOMINAL | | MEASURING METHOD AND LENGTH | 24.000 INCHES NOMINAL OVERALL | | CONNECTION TYPE | COUPLING FIRST END | | COUPLING SECOND END | | COUPLING STYLE | THREADED INTERNAL FIRST END | | THREADED EXTERNAL SECOND END | | THREAD SERIES DESIGNATOR | UNC BOTH ENDS | | NOMINAL THREAD SIZE | 0.375 INCHES FIRST END | | 0.343 INCHES SECOND END | | THREAD QUANTITY PER INCH | 16 SECOND END | | HOSE WEIGHT | 2.000 OUNCES PER LINEAR FOOT | | SPECIAL FEATURES | C/O 2 CLAMPS P/N 59709,1 INSERT P/N 84930,I COUPLING NUT P/N 75409,1 INSERT P/N 75408,1 GASKET P/N 3532; SOLE SOURCE REQUIRED BY STATUTE 6.302 | | CRITICALITY CODE JUSTIFICATION | FEAT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 55799 | | DESIGN CONTROL REFERENCE | 801165 |
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