NSN 3040-01-500-5657

Part Details | BELL CRANK

3040-01-500-5657 An item in the form of two arms at an angle, having its fulcrum at the apex of the angle, and used to provide a means of changing the direction or varying the intensity of a pushing or pulling force. See also ARM (as modified); and LEVER (as modified).

Alternate Parts: H553150259, H553-1502-59, 754706681259, 754-7066812-59, 7547066812, 754-7066812, 3040-01-500-5657, 01-500-5657, 3040015005657, 015005657

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30AUG 30, 200201-500-565722321 ( BELL CRANK )
REFERENCE DRAWINGS & PICTURES

FLAT, RAISED FACE ARM END HOLE

Cross Reference | NSN 3040-01-500-5657
Part Number Cage Code Manufacturer
H553-1502-5996169ELECTRIC BOAT CORPORATION
754-7066812-5953711NAVAL SEA SYSTEMS COMMAND
754-706681253711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3040-01-500-5657
Characteristic Specifications
MATERIAL NICKEL ALLOY
STYLE DESIGNATOR4 FLAT, RAISED FACE ARM END HOLE
FULCRUM BORE SHAPE SPLINED
BORE LENGTH12.130 INCHES NOMINAL
BORE DIAMETER5.997 INCHES MINIMUM AND 6.000 INCHES MAXIMUM
SPECIAL FEATURESTHIS BELL CRANK MUST BE ULTRASONIC TESTED IN ACCORDANCE WITH QQ-N-286
END ITEM IDENTIFICATIONSEA VALVE ASSEMBLY FOR NSSN CLASS SUBMARINE
PART NAME ASSIGNED BY CONTROLLING AGENCYBELL CRANK,LEFT HAND