Recently Updated NSN 5305-00-143-2421 Or (5305001432421) Part List

Item Name Screw Cap Socket Head
Federal Supply Group (FSG) Hardware and Abrasives
Federal Supply Class (FSC) 5305 Screws
National Item Identification Number (NIIN) 00-143-2421 (001432421)
NCB Code USA (00)
Manufacturer Federal Specifications
Part Number Manufacturer Item Name RFQ
FFS86 federal specifications screw cap socket head RFQ

Technical Characteristics of NSN 5305001432421

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.500 INCHES MAXIMUM
AASBFASTENER LENGTH0.500 INCHES NOMINAL
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.311 INCHES MINIMUM AND 0.359 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLEHEXAGON
AHYMNOMINAL THREAD DIAMETER0.164 INCHES
ASDBWIDTH ACROSS FLATS0.094 INCHES NOMINAL
CMLPTHREAD QUANTITY PER INCH32
CQBCMINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
CRSQCOUNTERSINK ANGLE82.0 DEGREES NOMINAL
MATTMATERIALSTEEL OVERALL
SFTTSURFACE TREATMENTOXIDE OVERALL
THSDTHREAD SERIES DESIGNATORUNC
ZZZTNONDEFINITIVE SPEC/STD DATA4 TYPE

Relevant Components for NSN - 5305-00-143-2421, 5305001432421
5305-00-151-0390 (5305001510390) 5305-00-162-0212 (5305001620212) 5330-01-021-6193 (5330010216193) 5306-01-667-2305 (5306016672305)
5305-00-702-7578 (5305007027578) 5306-01-467-0619 (5306014670619) 5340-14-507-0973 (5340145070973) 5330-01-545-5049 (5330015455049)
5331-01-433-9967 (5331014339967) 5330-01-176-0563 (5330011760563) 5330-20-001-0516 (5330200010516) 5305-00-550-9932 (5305005509932)

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