AIA/NAS 1840-2012 pdf download INSERT ASSEMBLY, THREADED METAL, LIGHT WEIGHT SELF-LOCKING, NON SELF-LOCKING
MATERIAL:
410 CRES(UNS S41000) PER AMS5504 OR AMS5613.
OR 420 CRES(UNS S42000) PER AMS5506 OR AMS5621.
4130 STEEL(UNS G41300) PER MH-S-6758 AMS-S-6758OR 4140 STEEL (UNS G41400) PER MIL-S-5626 AMS6382 OR AMS6349.HT 160.000-180.000 PSI PER AMS2759
303 CRES STEEL (UNS S30300) PER ASTM A 581/A 581M, CONDITION B FOR INSERTS WITHEXTERNAL DIAMETER OF 0.500 AND SMALLERAND ASTM A 582/A 582M CONDITION A FORINSERTS LARGER THAN AN EXTERNAL DIAMETER OF O500.
A286 CRES STEEL(UNS S66286) PER AMS5731,HT 160,000 PSIMINIMUM.
INSERT AND KEYRING:
410, 420, 303 AND A286 CRES STEEL,PASSIVATE PER AMS 2700METHOD 1. CLASS 4.4130 OR 4140 STEELCADMIUM PLATE PER AMS-QQ-P-416,TYPE IICLASS 2SILVER PLATE PER AMS2411 (0.0002 TO 00005) WHEN CODEDKEYRING TO HAVE SAME FINISH AS INSERT.
DRY FILM LUBRICANT PER AS5272 ON SELF-LOCKING INSERT ASSEMBLIESEXCEPT WHEN SILVER PLATED
NO LETTER BEFORE THE DASH NUMBER DESIGNATES 4130 OR 4140 STEELADD“C”IN PLACE OF THE DASH NUMBER TO DESIGNATE 303 CRES STEELADD“CA”IN PLACE OF THE DASH NUMBER TO DESIGNATE A286 CRES STEEL.THE LETTER “L”AFTER THE DASH NUMBER DESIGNATES A SELE-LOCKING INSERTADD LETTER“S”AFTER DASH NUMBER TO DESIGNATE SILVER PLATE
EXAMPLE OF PART NUMBERS:
NAS1840-3
INSERT ASSEMBLY,LIGHT WEIGHT,STEEL，.1900-32 INTERNAL THREADNON SELF-LOCKINGCADMIUM PLATE
NAS1840-3LINSERT ASSEMBLYLIGHT WEIGHT,STEEL，1900-32 INTERNAL THREADSELF-LOCKINGCADMIUM PLATE AND DRY LUBRICANT.
NAS1840C3INSERT ASSEMBLY.LIGHT WEIGHT 303 CRES STEEL..1900-32 INTERNAL THREADNON SELF-LOCKINGPASSIVATED
NAS1840CA3-INSERT ASSEMBLYLIGHT WEIGHT,A286 CRES STEEL1900-32 INTERNAL THREADNON SELF-LOCKING，PASSIVATED
NAS1840CA3LS = INSERT ASSEMBLY, LIGHT WEIGHT,A286 CRES STEEL, .1900-32 NTERNAL THREADSELF-LOCKING，PASSIVATED，SILVER PLATE

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