Close Tolerance Bolt

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  • Part Name
    CLOSE TOLERANCE BOLT
  • Federal Supply Class
    Bolts
  • NIIN
    014934127
  • Part Number
    NAS6205-54
  • National Stock Number
    5306-01-493-4127
  • Item Name Code
    27851
Specifications
  • 0.3075 INCHES MAXIMUM
  • POINT STYLE
    FLAT
  • THREAD SERIES DESIGNATOR
    UNF
  • NOMINAL THREAD DIAMETER
    0.312 INCHES
  • THREAD QUANTITY PER INCH
    24
  • THREAD DIRECTION
    RIGHT-HAND
  • THREAD LENGTH
    0.438 INCHES NOMINAL
  • FASTENER LENGTH
    3.798 INCHES MINIMUM AND
  • 3.828 INCHES MAXIMUM
  • MATERIAL
    STEEL COMP 4140 OR
  • STEEL COMP 4340 OR
  • STEEL COMP 8740 OVERALL
  • MATERIAL DOCUMENT AND CLASSIFICATION
    AMS6439 ASSN STD 1ST MATERIAL RESPONSE OR
  • AMS6484 ASSN STD 2ND MATERIAL RESPONSE OR
  • AMS6322 ASSN STD 3RD MATERIAL RESPONSE OVERALL
  • SURFACE TREATMENT
    CADMIUM OVERALL
  • SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
    11-P-416, TY2CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • HEAD STYLE
    DISHED HEXAGON
  • HEAD HEIGHT
    0.156 INCHES MINIMUM AND
  • 0.171 INCHES MAXIMUM
  • WIDTH BETWEEN FLATS
    0.3070 INCHES MINIMUM AND
  • GRIP LENGTH
    3.365 INCHES MINIMUM AND
  • 3.385 INCHES MAXIMUM
  • GRIP DIAMETER
    0.3070 INCHES MINIMUM AND
  • 0.3075 INCHES MAXIMUM
  • POINT DIAMETER
    0.302 INCHES MINIMUM AND
  • 0.306 INCHES MAXIMUM
  • III PART NAME ASSIGNED BY CONTROLLING AGENCY
    BOLT, TENSION, HEX HEAD, CLOSE TOLERANCE, ALLOY STEEL, SHORT THREAD
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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