Hexagon Head Cap Screw

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  • Part Name
    HEXAGON HEAD CAP SCREW
  • Federal Supply Class
    Screws
  • NIIN
    001647240
  • Part Number
    74455138036
  • National Stock Number
    5305-00-164-7240
  • Item Name Code
    18257
Specifications
  • THREAD LENGTH
    0.262 INCHES MINIMUM
  • FASTENER LENGTH
    0.312 INCHES NOMINAL
  • MATERIAL
    STEEL CORROSION RESISTING OVERALL
  • HEAD STYLE
    HEXAGON
  • THREAD CLASS
    2A
  • MATERIAL DOCUMENT AND CLASSIFICATION
    66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • SURFACE TREATMENT
    PASSIVATE OVERALL
  • HEAD HEIGHT
    0.049 INCHES MINIMUM AND
  • 0.060 INCHES MAXIMUM
  • WIDTH BETWEEN FLATS
    0.181 INCHES MINIMUM AND
  • 0.187 INCHES MAXIMUM
  • PART NAME ASSIGNED BY CONTROLLING AGENCY
    NAVY SPECIAL PROJECT
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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