1440-00-785-9438 SPRING ASSEMBLY,SEA Index 1440-00-785-9444 PIN ASSEMBLY,FIRING

National Stock Number:
5360-00-785-9439

Federal Supply Class:
5360

National Item Identification Number:
007859439

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:
32-94479-576301THE BOEING COMPANY


Techincal Specification:
END ANGULAR RELATIONSHIPENDS ANGLED ONE TO OTHER
COIL QUANTITY2
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
END LENGTH FROM FIRST BEND TO SECOND BEND OR END0.660 INCHES NOMINAL OVERALL
END LENGTH FROM SECOND BEND TO THIRD BEND OR END0.300 INCHES NOMINAL OVERALL
END STYLEPARALLEL, RIGHT END OVERALL
INSIDE DIAMETER0.650 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL UNS K08500 OVERALL
SPRING FREE LENGTH0.150 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER0.752 INCHES NOMINAL
STYLE DESIGNATORSINGLE TORSION LEFT HAND
SUPPLEMENTARY FEATURESOTHER LEG END DIMENIONS ARE 0.540 IN. FROM FIRST BEND TO SECOND BEND,0.250 IN. FROM SECOND BEND TO END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS 13101,TYPE 1 OR 2,CLASS 2 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL


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