• Part Name
    CLOSE TOLERANCE SCREW
  • Federal Supply Class
    Screws
  • NIIN
    016583431
  • Part Number
  • National Stock Number
    5305-01-658-3431
  • Item Name Code
    29294
Specifications
  • THREAD SERIES DESIGNATOR
    UNJF
  • NOMINAL THREAD DIAMETER
    0.250 INCHES
  • THREAD QUANTITY PER INCH
    28.0
  • THREAD CLASS
    3A
  • THREAD DIRECTION
    RIGHT-HAND
  • THREAD LENGTH
    0.425 INCHES NOMINAL
  • FASTENER LENGTH
    0.9875 INCHES NOMINAL
  • MATERIAL
    STEEL COMP 4140 OR
  • STEEL COMP 4340 OR
  • STEEL COMP 8740 OVERALL
  • MATERIAL DOCUMENT AND CLASSIFICATION
    AMS6349 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • SURFACE TREATMENT
    CADMIUM AND
  • CHROMATE OVERALL
  • SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
    AMS-QQ-P TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • HEAD STYLE
    FLAT COUNTERSUNK
  • HEAD DIAMETER
    0.464 INCHES MINIMUM
  • COUNTERSINK ANGLE
    99.0 DEGREES MINIMUM AND
  • 101.0 DEGREES MAXIMUM
  • INTERNAL DRIVE STYLE
    HIGH-TORQUE
  • GRIP LENGTH
    0.5625 INCHES NOMINAL
  • GRIP DIAMETER
    0.2485 INCHES MINIMUM AND
  • 0.2495 INCHES MAXIMUM
  • DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER
    0.8815 INCHES MINIMUM FIRST HOLE
  • SHANK UNTHREADED HOLE DIAMETER
    0.076 INCHES MINIMUM AND
  • 0.086 INCHES MAXIMUM FIRST HOLE
  • III PART NAME ASSIGNED BY CONTROLLING AGENCY
    BOLT 100 DEGREE FLUSH HEAD
Restrictions
No Restrictions Found

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