Hexagon Head Cap Screw

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  • Part Name
    HEXAGON HEAD CAP SCREW
  • Federal Supply Class
    Screws
  • NIIN
    013382831
  • Part Number
    12929349
  • National Stock Number
    5305-01-338-2831
  • Item Name Code
    18257
Specifications
  • THREAD SERIES DESIGNATOR
    UNF
  • THREAD LENGTH
    0.435 INCHES MINIMUM AND
  • 0.560 INCHES MAXIMUM
  • FASTENER LENGTH
    0.560 INCHES NOMINAL
  • MATERIAL
    STEEL COMP 4130 OR
  • STEEL COMP 4140 OVERALL
  • HEAD STYLE
    HEXAGON
  • THREAD DIRECTION
    RIGHT-HAND
  • NOMINAL THREAD DIAMETER
    0.750 INCHES
  • THREAD QUANTITY PER INCH
    16
  • THREAD CLASS
    2A
  • MATERIAL DOCUMENT AND CLASSIFICATION
    ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR
  • ASTM A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL
  • HEAD HEIGHT
    0.860 INCHES MINIMUM AND
  • 0.880 INCHES MAXIMUM
  • WIDTH BETWEEN FLATS
    0.875 INCHES NOMINAL
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)
    A

    Item does not contain Precious Metal.

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