3120-00-058-1270 BUSHING,SLEEVE Index 3950-00-058-1276 CRANE,FLOOR,PORTABLE

National Stock Number:
5360-00-058-1271

Federal Supply Class:
5360

National Item Identification Number:
000581271

Description:
SPRING,HELICAL,TORSION

Detail:
An open-or close-wound coil spring consisting of one or more helical coils, wound from different shapes and types of material and finished at the ends, designed to exert pressure in a rotating direction around the coil axis. Excludes springs designed for thermal actuation (springs in which the torsion forces are counteracted by changes in temperature) and SPRING, REINFORCING, HOSE.


Manufacturer Information:
2192818068ASTROCOM ELECTRONICS INC
730-1404-681579MASON ELECTRIC CO.


Techincal Specification:
MATERIALSTEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423, FORM 1, COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924, CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSINGLE TORSION LEFT HAND
INSIDE DIAMETER0.285 INCHES NOMINAL
SPRING FREE LENGTH2.000 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER0.392 INCHES MINIMUM AND
0.398 INCHES MAXIMUM
COIL HELIX DIRECTIONLEFT-HAND
COIL QUANTITY66
END ANGULAR RELATIONSHIPENDS PARALLEL ONE TO OTHER
SPECIAL FEATURESOD OF ONE END OF SPRING IS LARGER THAN THE OTHER END; ONE END HAS NOMINAL OD OF 0.350 INCHES, THIS OD HAS MINIMUM LENGTH OF 1.875 INCHES AND MAXIMUM LENGTH OF 1.895 INCHES; THE OTHER END HAS A MINIMUM OD OF 0.392 INCHES AND A MAXIMUM OD OF 0.398 INCHES, THIS OD HAS A MINIMUM LENGTH OF 0.105 INCHES AND A MAXIMUM LENGTH OF 0.125 INCHES


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