NSN 2540-00-039-7674

Part Details | PROTECTION BELLOWS

2540-00-039-7674 A nonmetallic, accordian shaped protective covering designed to flex due to relative motion between parts to which its opposite ends are attached. It is primarily used to cover the opening around a movable push-pull rod or part passing through a hole in a bulkhead, partition or the like.

Alternate Parts: 7387927, 2540-00-039-7674, 00-039-7674, 2540000397674, 000397674

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
25JAN 01, 196300-039-767435168 ( BELLOWS, PROTECTION )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 2540-00-039-7674
Part Number Cage Code Manufacturer
738792719207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 2540-00-039-7674
Characteristic Specifications
MATERIAL RUBBER SYNTHETIC
DUROMETER HARDNESS RATING45.0 MINIMUM AND 55.0 MAXIMUM
CONTRACTED LENGTH2.094 INCHES NOMINAL
NEUTRAL LENGTH5.000 INCHES NOMINAL
MOUNTING HOLE QUANTITY3
MOUNTING HOLE DIAMETER0.250 INCHES NOMINAL
LARGE END OUTSIDE DIAMETER2.250 INCHES NOMINAL
SMALL END OUTSIDE DIAMETER1.000 INCHES NOMINAL
LARGE END OUTSIDE LENGTH0.125 INCHES NOMINAL
SMALL END OUTSIDE LENGTH0.125 INCHES NOMINAL
LARGE END INSIDE DIAMETER1.312 INCHES NOMINAL
SMALL END INSIDE DIAMETER0.750 INCHES NOMINAL
LARGE END INSIDE LENGTH0.625 INCHES NOMINAL
SMALL END INSIDE LENGTH0.812 INCHES NOMINAL
THICKNESS AT BOTH ENDS0.125 INCHES NOMINAL
THICKNESS BETWEEN ENDS0.047 INCHES NOMINAL
FEATURES PROVIDED FLANGED BASE
FSC APPLICATION DATAACCELERATOR CONTROL ROD,COMBAT TANK