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5305-00-257-6242, 5305002576242 NSN Information

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Manufacturer Part Number(s):LK21262-68, MS21262-68

FSC NIIN ITEM NAME
5305 002576242 SCREW,CAP,SOCKET HEAD
INC ESDC HMIC
1628 N

5305-00-257-6242 MCRD (Master Cross Reference Data)

Mfg. Part # Mfg. Name CAGE RNCC RNVC ISC MSDS SADC DAC HCC
LK21262-68 TORKON FASTENER CORP 26304 5 9 2
MS21262-68 NATIONAL AEROSPACE STANDARDS 80205 3 2 2
MS21262-68 MILITARY STANDARDS 96906 5 9 2

5305-00-257-6242 Characteristics

MRC Requirement Statement Characteristics
CQFM HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
AAUM LOCKING FEATURE PATCH OR PELLET OR STRIP THREADS
ASDB WIDTH ACROSS FLATS 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
AASA THREAD LENGTH 1.135 INCHES MINIMUM AND 1.281 INCHES MAXIMUM
AASB FASTENER LENGTH 1.235 INCHES MINIMUM AND 1.281 INCHES MAXIMUM
SFTT SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
AASL HEAD DIAMETER 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
AASU HEAD HEIGHT 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
AASK HEAD STYLE FLAT CHAMFER
CMLP THREAD QUANTITY PER INCH 20
ABQZ INTERNAL DRIVE STYLE HEXAGON
AAJD THREAD CLASS 3A
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
MATT MATERIAL STEEL OVERALL
THSD THREAD SERIES DESIGNATOR UNF
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
AHYM NOMINAL THREAD DIAMETER 0.500 INCHES