NAS 523 fastener code
NAS 523 fastener code
(OP)
Could anyone tell me what a square around the NW (upper right) digits of the fastener quadrant indicates ?
Cheers
Cheers
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RE: NAS 523 fastener code
RE: NAS 523 fastener code
I just read through the standard, and saw nothing regarding a square in the upper left (northwest) quad. I have seen (on occasion) a square in the upper right (northeast) quad to separate the -(dash) no (dia) from the mfr head location. The only literature (not the standard - fr another book) I found regarding this practice is that the square is to represend an "installation" fastener.
Wes C.
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RE: NAS 523 fastener code
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