AIA/NAS 1281-2012 pdf download HOOK, SNAP
BODY – MALLEABLE CAST IRONTONGUE – SPRING STEEL.BODY – CAST BRASS.TONGUE – PHOSPHOR BRONZE PER ASTM B103/B103MTEMPER HO8
TYPE C:
NO CODE:BODY -MANGANESE BRONZE PER ASTM B584.TONGUE = PHOSPHOR BRONZE PER ASTM B103/B103MTEMPER HO8BODY -304 CRES.TONGUE – 301 CRES，FULL HARD
TYPES A & B:NICKEL PLATED
TYPE C:NONE.
NO CODE:“K”CODE:PASSIVATED PER AMS2700,METHOD 1,TYPES 6 OR 7,CLASS 1.
EXAMPLES OF PART NUMBER:
TYPES A & B:
NAS1281 A 12HOOK,SNAP，SMALL NON-SWIVELING，75 EYE WIDTH,BRASS BODY,BRONZETONGUE,NICKEL PLATED
-MATERIAL AND FINISH CODE:NO CODE =IRON BODYSPRING STEEL TONGUENICKEL PLATED“C”= BRASS BODYBRONZE TONGUENICKEL PLATED (TYPE A ONLY)
-DASH NUMBER (TABLES I & II)
TYPE:
“A”-TYPE ASMALL“B”- TYPE B,LARGE
BASIC PART NUMBER
TYPE C:
NAS1281 C 10KHOOK,SNAPNON-SWIVELINGHIGH STRENGTH，.625 MIN EYE WIDTH,304CRES BODY，301 CRES TONGUE，PASSIVATED
MATERIAL AND FINISH CODE:
NO CODE = BRONZE BODYBRONZE TONGUEUNPLATED“K- 304 CRES BODY，301 CRES TONGUEPASSIVATED
– DASH NUMBER (TABLE III)
TYPE:“C”= TYPE CNON-SWIVELING
– BASIC PART NUMBER
NOTES:
WHEN IN OPEN POSITION,SNAP MUST BE CAPABLE OF ACCEPTING A MANDREL OF OD”MINIMUM.
EACH HOOK SHALL BE TESTED TO THE SPECIFIED PROOF LOAD. ANY DEFORMATION OR CRACKSSHALL BE CAUSE FOR REJECTION
DIMENSIONING AND TOLERANCING PER ANSI Y14.5M-1982
TOLERANCES UNLESS OTHERWISE SPECIFIED: DECIMALS .03
DIMENSIONS IN INCHES AND APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED
THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.
UNLESS OTHERWISE SPECIFIED PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OFTHE APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK ISDEPLETED.
UNLESS OTHERWISE SPECIFIED HEREIN REFERENCED DOCUMENTS SHALL BE THE ISSUE IN EFFECTON DATE OF MANUFACTURE. HOWEVER,EXISTING MATERIAL INVENTORY CERTIFIED TO APREVIOUS REVISION OF THE APPLICABLE MATERIAL SPECIFICATION(S) IS ACCEPTABLE FOR USEUNTIL DEPLETION.

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