Machine Bolt

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  • Part Name
    MACHINE BOLT
  • Federal Supply Class
    Bolts
  • NIIN
    014934560
  • Part Number
    B1821BH031C650N
  • National Stock Number
    5306-01-493-4560
  • Item Name Code
    1847
Specifications
  • HEAD STYLE
    HEXAGON
  • THREAD SERIES DESIGNATOR
    UNC
  • NOMINAL THREAD DIAMETER
    0.312 INCHES
  • THREAD QUANTITY PER INCH
    18
  • THREAD CLASS
    2A
  • THREAD DIRECTION
    RIGHT-HAND
  • THREAD LENGTH
    1.125 INCHES NOMINAL
  • FASTENER LENGTH
    6.500 INCHES NOMINAL
  • MATERIAL
    STEEL OVERALL
  • MATERIAL DOCUMENT AND CLASSIFICATION
    SAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • SURFACE TREATMENT
    ZINC OVERALL
  • SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
    ASTM B33 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • MINIMUM TENSILE STRENGTH
    150000 POUNDS PER SQUARE INCH
  • HEAD HEIGHT
    0.195 INCHES MINIMUM AND
  • 0.211 INCHES MAXIMUM
  • WIDTH BETWEEN FLATS
    0.489 INCHES MINIMUM AND
  • 0.500 INCHES MAXIMUM
  • SURFACE FINISH
    63.0 MICROINCHES THREADS
  • III END ITEM IDENTIFICATION
    2320013723932
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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