AIA/NAS 1054-2013 pdf download RIVET, PROTRUDING HEAD
MATERIAL:
STEEL; CHROME-NICKEL-MOLYBDENUM; BAR AND ROD
– 8735 (UNS G87350) PER MIL-S-6098 AMS6320.
– 8740 (UNS G87400) PER MIL-S-6049 AMS6322, AMS6325 OR AMS6327.
– 4340 (UNS G43406) PER MIL-S-5000 AMS641 5 OR AMS6484.
STEEL; CHROME-VANADIUM; BAR AND BILLET
– 61 50 (UNS G61 500) PER MIL-S-8503 AMS6448.
OPTION: STEEL – 31 35 (UNS K22033) PER AMS6330.
STEEL; CHROME-MOLYBDENUM; BAR AND ROD
– 41 40 (UNS G41 400) PER MIL-S-5626 AMS6349 OR AMS6382.
– 41 30 (UNS G41 300) PER MIL-S-6758 AMS-S-6758.
CODE:
FIRST DASH NUMBER INDICATES NOMINAL DIAMETER IN THIRTY-SECONDS.
SECOND DASH NUMBER INDICATES MAXIMUM GRIP IN SIXTEENTHS.
EXAMPLE OF PART NUMBER:
NAS1 054-8-8 = PROTRUDING HEAD RIVET, CLOSE TOLERANCE HEAD AND SHANK, Ø1 /4 (Ø8/32) WITH 1 /2 (8/1 6) MAXIMUM GRIP.
NOTES:
(1 ) ENTRANCE CHAMFER SHALL NOT FALL WITHIN THE MAXIMUM GRIP.
(2) NAS1 054 “-4” THRU “-1 2” RIVETS MAY BE INSTALLED WITH NAS1 79 OR NAS528 COLLARS OF THE SAME DASH NUMBER.
(3) MAGNETIC PARTICLE INSPECTION SHALL BE PERFORMED PER ASTM E 1 444, USING THE LONGITUDINAL METHOD ONLY, UNDER A SAMPLING PLAN HAVING AN AQL OF 0.035 AND ADMINISTERED AT INSPECTION LEVEL III OF ASQ Z1 .4. RIVET HEADS NEED NOT BE DYED.
(4) DIMENSIONS IN INCHES AND APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED.
(5) HEAD AND SHANK TO BE CONCENTRIC WITHIN .01 0 FIM.
(6) “ØC”, “ØE” AND “ØJ” SHALL BE CONCENTRIC WITH “ØD” WITH .005 TOTAL RUNOUT FOR “-4” THRU “-1 2” SIZES.
(7) REMOVE ALL BURRS AND SHARP EDGES.
(8) TOLERANCES AS SHOWN.
(9) SUPERSEDES NAS1 78.
(1 0) THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.

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