Hexagon Self Locking Nut

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  • Part Name
    HEXAGON SELF-LOCKING NUT
  • Federal Supply Class
    Nuts And Washers
  • NIIN
    013383365
  • Part Number
    BACN10JC5CF, BRH10A5
  • National Stock Number
    5310-01-338-3365
  • Item Name Code
    5277
Specifications
  • THREAD DIRECTION
    RIGHT-HAND
  • MATERIAL
    STEEL COMP 8740 OR
  • STEEL COMP 4340 OR
  • STEEL COMP 4140 OVERALL
  • NUT STYLE
    INTERNAL OR EXTERNAL WRENCHING HEXAGON
  • LOCKING FEATURE
    PREVAILING TORQUE ALL METAL DESIGN
  • BEARING SURFACE TYPE
    CHAMFERED
  • THREAD SERIES
    UNJC
  • NOMINAL THREAD SIZE
    0.312 INCHES
  • THREAD QUANTITY PER INCH
    24
  • THREAD CLASS
    3B
  • MATERIAL DOCUMENT AND CLASSIFICATION
    MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR
  • AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OVERALL
  • SURFACE TREATMENT
    PASSIVATE OVERALL
  • SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
    QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • HARDNESS RATING
    36.0 ROCKWELL C MINIMUM AND
  • 44.0 ROCKWELL C MAXIMUM
  • NUT HEIGHT
    0.268 INCHES MAXIMUM
  • INSIDE WIDTH ACROSS FLATS
    0.349 INCHES MINIMUM AND
  • 0.357 INCHES MAXIMUM
  • WIDTH ACROSS FLATS
    0.492 INCHES MINIMUM AND
  • 0.502 INCHES MAXIMUM
  • TEMP RATING
    450.0 DEG FAHRENHEIT NOMINAL
  • SPECIAL FEATURES
    LUBRICATION PER MIL-L-46010
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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