4320-01-510-7679 SEAL ASSEMBLY,SHAFT,SPRING LOADE Index 5340-01-510-7681 COVER,ACCESS

National Stock Number:
5360-01-510-7680

Federal Supply Class:
5360

National Item Identification Number:
015107680

Description:
SPRING,HELICAL,EXTENSION

Detail:
An open-or close-coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, so designed to provide resistance to pulling forces. The close-coiled springs may incorporate the special feature of initial tension created between the coils when wound so that an initial load must be applied to separate them. Excludes SPRING, REINFORCING, HOSE.


Manufacturer Information:
428178-180020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
COIL HELIX DIRECTIONLEFT-HAND OR RIGHT-HAND
COIL QUANTITY18.7
DESIGN TYPEMAINSPRING
END STYLESHORT TWISTED HOOK BOTH ENDS
INSIDE DIAMETER0.332 INCHES NOMINAL
MATERIALSTEEL COMP 316 OR STEEL COMP 302 OR STEEL COMP 304 OVERALL
SPRING DEFLECTION RATE32.000 POUNDS PER INCH NOMINAL
SPRING FREE LENGTH1.634 INCHES MINIMUM AND 1.678 INCHES MAXIMUM
SPRING FREE OUTSIDE DIAMETER0.390 INCHES MAXIMUM
STOCK DIAMETER0.057 INCHES MINIMUM AND 0.059 INCHES MAXIMUM
STYLE DESIGNATORCYLINDRICAL
SPECIAL FEATURESSTRESS RELIEVE AS REQUIRED;MINIMUM EXTENSION W/O PERMANENT SET = 0.38;GAP WIDTH BETWEEN LOOP END AND BODY 0.08 IN;REMOVE BURRS AND BREAK SHARP EDGES
SURFACE TREATMENTPASSIVATE OVERALL


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