TM 10-1670-201-23
T.O. 13C-1-41
NAVAIR 13-1-17
satisfactory completion of a specific test may be
3-6. Repainting.
repainted with original color enamel and a suitable type
A warning mark on an airdrop equipment
applicator providing the item is still serviceable. Metal
component that is chipped or worn will be repainted with
and wood items may be repainted with olive drab paint
red enamel paint using a proper size paint brush or any
using the previously cited painting methods, as required.
other suitable method for paint application. Likewise a
mark previously painted on an airdrop item to signify
Section III. SEWING PROCEDURES
during the performance of a sewing procedure will be
3-7. General.
removed from the applicable item. Immediately after
Sewing requirements will vary according to the type
the accomplishment of a machine sewing procedure,
of item being repaired and the type of repair being
trim thread ends to a point as close as possible to the
made. The type of sewing machine, type of thread, the
material which has been sewed. Cotton threads used in
stitch range, and the stitch pattern, if applicable,
various sewing procedures may be identified under two
required to accomplish a sewing procedure will be
specification. Table 3-1 provides a listing which equates
specified in the equipment publication applicable to the
cotton thread identifications.
item being repaired. All original stitching that is cut
Table 3-1. Cotton Thread Specification Comparability Listing
Federal specification
Military specification
* V-T-276
MIL-T-5660
Type IV - Ticket No. 8/4
Style A - Ticket No. 3
Type IV - Ticket No. 8/5
Style A - Ticket No. 4
Type IV - Ticket No. 8/7
Style A - Ticket No. 5
Type IV - Ticket No. 8/9
Style A - Ticket No. 6
Type IV - Ticket No. 8/10
Style A - Ticket No. 7
Type IV - Ticket No. 8/11
Style A - Ticket No. 8
Type IV - Ticket No. 8/12
Style A - Ticket No. 9
Finish A (soft)
Type I (soft)
Finish B (glazed)
Type II (polished)
* The direction of final twist for thread shall be "Z" twist, unless otherwise prescribed by the specification document.
3-8. Basting and Temporary Tacking.
d. When basting, do not tie knots at any point in
Basting and temporary tacking are hand-sewing
the thread length. Also, the sewing should be made with
methods used to temporarily hold layers of cloth fabric
two stitches per inch.
together while a repair is being performed.
The
e. Temporary tacking will usually be made using a
following is a list of procedures which apply to basting
length of size E nylon thread. However, an alternate
and temporary tacking actions.
type thread may be specified within the applicable item
a. Basting and temporary tacking should be made
equipment publication.
using thread which is of a contrasting color to the
f. Immediately upon completion of a repair,
material being worked.
remove a previously made basting or temporary tacking.
b. On personnel parachute canopies, small cargo
and extraction parachute canopies, and most other
3-9. Stitching and Restitching.
small airdrop items, basting will be made using a single
a. Parachute Canopy Assemblies. The stitching
strand of size A nylon thread or ticket No. 24 cotton
and restitching made on parachute canopies, including
thread.
pilot parachutes, should be accomplished with thread
that is contrasting in color to the fabric being stitched or
be made using a single strand of ticket No. 16 cotton
the original thread being restitched. If contrasting color
thread.
thread is not available, thread of matching color may be
Change 3 3-2
