STITCH, BASEBALLA stitch used in
repair and patching of fabrics. Refer to
Repair/Fabrication, Chapter 4, of NAVAIR
STITCH, BASTINGA long, loose stitch
made with single or double thread. Used
to temporarily hold two or more pieces of
STITCH, BOXRectangular stitch used to
attach and reinforce.
STITCH, BUTTONHOLEA reinforced
stitch made on the edge of a slit or hole. Each
individual stitch forms a half-hitch. The distance
from the edge, and the spacing of the stitches, is
determined by the type of material used.
STITCH, OVERTHROWA stitch used to
repair weakened seams, to reinforce slide
fasteners, and to join two pieces of material
STITCH, ZIGZAGA stitch made by a
sewing machine that stitches alternately on two
or more parallel lines; for example, it is used to
reinforce and anchor the suspension lines to the
canopy. The number of stitches per inch is
determined by counting the number of points on
one side per linear inch.
STITCHES PER INCHThe number of
needle penetrations where threads are interlaced,
per linear inch.
STRIP BACKBroken thread filament(s)
wrapped around the remaining thread forming an
enlarged area on cloth.
STRAP, CHESTThe harness webbing that
is secured across the chest with a snap and a
V-ring to prevent the wearer from falling out of
STRAP, CROSS CONNECTORA short
length of webbing sewn across the lift web
assembly or attached between suspension line
connector links. It prevents streaming of a canopy
in the event one riser was not properly attached
to the harness.
STRAP, HORIZONTAL BACKAn adjust-
able part of harness webbing extending across the
small of the wearers back.
STRAP, LAP RESTRAINTA strap
attached to the integrated torso harness suit to
retain the rigid seat survival kit to the wearer.
Prior to ejection it serves as safety restraint for
STRAP, LEGThat part of the harness
webbing that encircles the wearers leg. The leg
straps are adjustable.
STRAP, PILOT PARACHUTE CONNEC-
TORTubular nylon webbing that joins the main
parachute and the pilot parachute.
STRAP, SHOULDERThe part of the
harness webbing that crosses the wearers back
at the shoulder blades.
STRAP, TENSIONA strap that attaches to
the peak of a canopy to keep the canopy and
suspension lines taut during parts of the packing
STOWINGThe act of putting away in a
neat, orderly way. Stowing of suspension lines
involves inserting the lines into the hesitater loops
or stowage channels in such a way as to ensure
proper paying out of lines when the parachute is
opened. Stowing of the canopy involves folding
and inserting the canopy into the container in such
a way as to ensure proper opening of the canopy
when the parachute is used.
SUPPORT FIXTUREA rectangular piece
of metal used to aid in closing the LW-3B
personnel parachute assembly. The fixture is
bolted to the container base and clamped to the
SURVEYA formal process by which a
parachute or other accountable equipment is
withdrawn from service or removed from records.
SWAGETo attach a device to a cable by
means of pressure. A swaging machine compresses
a fitting, causing it to grip tightly to the cable to
which it is being attached.
T-HANDLEA handle in the shape of the
TAB, ANCHORA cloth loop attached
to a metal plate and used on some MBEU para-
chute assemblies. It is placed over a lock-
ing cone and is used to secure the withdrawal