Socket Head Cap Screw

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  • Part Name
    SOCKET HEAD CAP SCREW
  • Federal Supply Class
    Screws
  • NIIN
    001646971
  • Part Number
    FFS86REVA, MS24668-34CANCELLED
  • National Stock Number
    5305-00-164-6971
  • Item Name Code
    16282
Specifications
  • 0.315 INCHES MAXIMUM
  • THREAD SERIES DESIGNATOR
    UNF
  • NOMINAL THREAD DIAMETER
    0.500 INCHES
  • THREAD QUANTITY PER INCH
    20
  • THREAD CLASS
    3A
  • THREAD DIRECTION
    RIGHT-HAND
  • THREAD LENGTH
    0.883 INCHES MINIMUM AND
  • 1.030 INCHES MAXIMUM
  • FASTENER LENGTH
    1.234 INCHES MINIMUM AND
  • 1.281 INCHES MAXIMUM
  • MATERIAL
    STEEL OVERALL
  • MATERIAL DOCUMENT AND CLASSIFICATION
    66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • SURFACE TREATMENT
    CADMIUM AND
  • CHROMATE OVERALL
  • SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
    QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
  • HARDNESS RATING
    36.0 ROCKWELL C MINIMUM AND
  • 43.0 ROCKWELL C MAXIMUM OVERALL
  • MINIMUM TENSILE STRENGTH
    160000 POUNDS PER SQUARE INCH
  • MINIMUM YIELD STRENGTH
    130000 POUNDS PER SQUARE INCH
  • HEAD STYLE
    FLAT COUNTERSUNK
  • HEAD DIAMETER
    0.872 INCHES MINIMUM AND
  • 0.937 INCHES MAXIMUM
  • COUNTERSINK ANGLE
    80.0 DEGREES MINIMUM AND
  • 84.0 DEGREES MAXIMUM
  • INTERNAL DRIVE STYLE
    HEXAGON
  • WIDTH ACROSS FLATS
    0.312 INCHES MINIMUM AND
  • NONDEFINITIVE SPEC/STD DATA
    4 TYPE
  • SPEC/STD CONTROLLING DATA
  • MANUFACTURERS CODE
    81348
  • NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE
    FFS86REVA
  • MANUFACTURERS CODE
    96906
  • DEFINITIVE GOVERNMENT SPEC/STD REFERENCE
    MS24668-34CANCELLED
Restrictions
  • Demilitarization Code
    A

    Items subject to the Export Administration Regulations (EAR) in parts 773-74 of Title 15, Code of Federal Regulations (CFR) (CCLI or EAR99) and determined by the DoD to present a low risk when released out of DoD control. No DEMIL, MUT or end use certificate is required. May require an export license from DOC.

  • Criticality Code
    X

    Does not have a nuclear hardened feature or other critical feature such as tolerance, fit restriction or application.

  • Hazardous Material Code
    N

    There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

  • Precious Metals Code (PMIC)
    U

    Precious Metal type is unknown.

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