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  • Part Name
    MACHINE SCREW
  • Federal Supply Class
    Screws
  • NIIN
    001646914
  • Part Number
    P343-0388-000, 343-0388-000
  • National Stock Number
    5305-00-164-6914
  • Item Name Code
    6657
Specifications
  • THREAD SERIES DESIGNATOR
    UNC
  • NOMINAL THREAD DIAMETER
    0.099 INCHES
  • THREAD QUANTITY PER INCH
    48
  • THREAD CLASS
    2A
  • THREAD DIRECTION
    RIGHT-HAND
  • THREAD LENGTH
    0.317 INCHES MINIMUM
  • FASTENER LENGTH
    0.359 INCHES MINIMUM AND
  • 0.391 INCHES MAXIMUM
  • SCREW MATERIAL
    COPPER ALLOY
  • SCREW MATERIAL DOCUMENT AND CLASSIFICATION
    QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR
  • QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR
  • QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
  • SCREW SURFACE TREATMENT
    NICKEL
  • SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
    QQ-N-290 CLASS 2 GRADE G FED SPEC SINGLE TREATMENT RESPONSE
  • HEAD STYLE
    PAN
  • HEAD DIAMETER
    0.180 INCHES MINIMUM AND
  • 0.193 INCHES MAXIMUM
  • HEAD HEIGHT
    0.062 INCHES MINIMUM AND
  • 0.071 INCHES MAXIMUM
  • INTERNAL DRIVE STYLE
    CROSS RECESS TYPE 1
  • THE MANUFACTURERS DATA
  • MANUFACTURERS CODE
    77250
  • DESIGN CONTROL REFERENCE
    P343-0388-000
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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