SPRING
P/N 12W9891-7
NSN 5360 00 450 4437
MFG LOCKHEED MARTIN

NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7

ITEM NAME SPRING,HELICAL,TORS
DEFINITION 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.

CHARACTERISTIC VALUE
INSIDE DIAMETER 0.210 INCHES NOMINAL
END STYLE ONE HOOK END FIRST END OFFSET EYE SECOND END
SPRING FREE LENGTH 0.500 INCHES MINIMUM AND 0.530 INCHES MAXIMUM
COIL QUANTITY 6-1/8
COIL HELIX DIRECTION RIGHT-HAND
SPRING FREE OUTSIDE 0.344 INCHES NOMINAL
DIAMETER
END ANGULAR RELATIONSHIP ENDS ANGLED ONE TO OTHER
END LENGTH FROM COIL AXIS 0.440 INCHES NOMINAL OVERALL
TO FIRST BEND
END LENGTH FROM FIRST BEND 0.060 INCHES NOMINAL OVERALL
TO SECOND BEND OR END
SURFACE TREATMENT CADMIUM OVERALL
DESIGN CONTROL REFERENCE 12W9891-7
THE MANUFACTURERS DATA 81755
MANUFACTURERS CODE
STYLE DESIGNATOR SINGLE TORSION LEFT HAND