FAA Advisory Circular 43.13-1B
Acceptable Methods, Techniques, and Practices
Aircraft Inspection and Repair
AC 43.13-1B | 7. Aircraft Hardware, Control Cables, and Turnbuckles | 11. Hardware Identification Tables | 7-210. Nuts
9/8/98
TABLE 7-13. (CONTINUED)
Nut Part Number
Description
MS9951
Nut, spanner, end
slots,
cup washer locked,
AMS 6322
MS16203
Nut, plain, hex.
Nonmagnetic
MS17825-17826
MS17828
MS17829-17830
MS19067-19068
Nut, self-locking,
castle, hex. Regular
and thin
Nut, self-locking,
nylon insert, 250°,
regular ht., monel
Nut, self-locking,
nylon insert, 250°,
regular ht., cres. Steel,
steel
Nut, plain,
round, retaining
MS20341
Nut, electrical,
plain, hex.
MS20364
Nut, self-locking,
250 °F, thin
MS20365
Nut, self-locking,
250° F, regular
MS20501
MS21025
Nut, plate,
self-locking,
two lug
Nut,
castellated bearing,
retaining
AC 43.13-1B
TABLE 7-13. (CONTINUED)
Nut Part Number
Description
MS21047-21048
Nut, self-locking, plate,
two lug, low ht.
MS21049-21050
MS21051-21052
MS21053-21054
MS21055-21056
Nut, self-locking,
plate, two lug,
100° csk., low ht.
Nut, self-locking,
plate, one lug,
low ht.
Nut, self-locking,
plate, one lug,
100° csk.
Nut, self-locking,
plate, corner, low ht.
MS21057-21058
MS21059-21060
MS21061-21062
MS21069-21070
MS21071-21072
MS21073-21074
Nut, self-locking,
plate, corner,
100° csk.
Nut, self-locking,
plate, two lug,
floating, low ht.
Nut, self-locking,
plate, floating low ht.,
one lug
Nut, self-locking,
plate, two lug,
low ht., reduced rivet
spacing
Nut, self-locking,
plate, one lug, low ht.,
reduced rivet spacing
Nut, self-locking,
plate, corner,
reduced rivet spacing
Par 7-196
Page 7-65