HEAD MARKING SHALL BE RAISED OR DEPRESSED (. O10 MAX) AND ARRANGED AS FOLLOWS: MARK WITH BASIC
NUMBER (NAS OPTIONAL) EXCEPT MARK .1380-32 SIZE WITH '6' AND ,1640-32 SIZE WITH 'E'. MARK ALL SIZES WIT)
MFR. SYMBOL, LENGTH DASH NUMBER AND RECESS NUMBER ENCIRCLED, RECESS NUMBER TO BE APPROXIMATELY
25% LARGER THAK OTHER NUMBERS.
AIA/NAS NAS 844-1998 history
1998AIA/NAS NAS 844-1998 Cap - Tubing, Protective, Dust and Moisture Seal FSC 5340