Close Tolerance Screw

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  • Part Name
    CLOSE TOLERANCE SCREW
  • Federal Supply Class
    Screws
  • NIIN
    013382837
  • Part Number
    NAS7904A11
  • National Stock Number
    5305-01-338-2837
  • Item Name Code
    29294
Specifications
  • THREAD SERIES DESIGNATOR
    UNJF
  • NOMINAL THREAD DIAMETER
    0.250 INCHES
  • THREAD QUANTITY PER INCH
    28
  • THREAD CLASS
    3A
  • THREAD DIRECTION
    RIGHT-HAND
  • THREAD LENGTH
    0.370 INCHES NOMINAL
  • FASTENER LENGTH
    1.043 INCHES MINIMUM AND
  • 1.073 INCHES MAXIMUM
  • MATERIAL
    TITANIUM ALLOY UNS R56400 OVERALL
  • MATERIAL DOCUMENT AND CLASSIFICATION
    AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR
  • AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • SURFACE TREATMENT
    ALUMINUM OVERALL
  • SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
    NAS4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • MINIMUM TENSILE STRENGTH
    160000 POUNDS PER SQUARE INCH
  • HEAD STYLE
    PAN
  • HEAD DIAMETER
    0.473 INCHES MINIMUM AND
  • 0.492 INCHES MAXIMUM
  • HEAD HEIGHT
    0.162 INCHES MINIMUM AND
  • 0.175 INCHES MAXIMUM
  • INTERNAL DRIVE STYLE
    CROSS RECESS TYPE 1
  • GRIP LENGTH
    0.678 INCHES MINIMUM AND
  • 0.698 INCHES MAXIMUM
  • GRIP DIAMETER
    0.2485 INCHES MINIMUM AND
  • 0.2495 INCHES MAXIMUM
  • SPECIFICATION/STANDARD DATA
    80205-NAS7904 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
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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