NF L22-437:1987
HEXAGONAL NUTS. REDUCED HEIGHT. NORMAL ACROSS FLATS,WITH LOCKING HOLES. ISO RH THREAD. 4H5H OR 5H TOLERANCE CLASS ACCORDING TO DIAMETER.

Standard No.

NF L22-437:1987

Release Date

1987

Published By

Association Francaise de Normalisation

Status

Be replaced 2000-10

Replace By

NF L22-437:2000

Latest

NF L22-437:2000

NF L22-437:1987 history

• 2000 NF L22-437:2000 Aircraft bolts and nuts - Nuts, hexagonal, palin, reduced height, normal across flats, with locking holes, ISO M or ISO MJ threads, 4H5H or 5H tolerance class according to diameter.
• 1987 NF L22-437:1987 HEXAGONAL NUTS. REDUCED HEIGHT. NORMAL ACROSS FLATS,WITH LOCKING HOLES. ISO RH THREAD. 4H5H OR 5H TOLERANCE CLASS ACCORDING TO DIAMETER.