Plate Self Locking Nut

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  • Part Name
    PLATE SELF-LOCKING NUT
  • Federal Supply Class
    Nuts And Washers
  • NIIN
    013383368
  • Part Number
    BACN10KE4ACD, BACN10KE4ACD, BACN10KE4ACD, F51747-4-1CD, NS202493-04-1, 109A9212-4
  • National Stock Number
    5310-01-338-3368
  • Item Name Code
    5280
Specifications
  • SURFACE TREATMENT
    CADMIUM AND
  • CHROMATE OVERALL
  • LOCKING FEATURE
    PREVAILING TORQUE ALL METAL DESIGN
  • THREAD DIRECTION
    RIGHT-HAND
  • NUT STYLE
    PLATE (FLOATING)
  • MATERIAL
    IRON ALLOY 660 OVERALL
  • THREAD SERIES
    UNJF
  • NOMINAL THREAD SIZE
    0.250 INCHES
  • THREAD QUANTITY PER INCH
    28
  • THREAD CLASS
    3B
  • MATERIAL DOCUMENT AND CLASSIFICATION
    AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
    QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • NUT LENGTH
    1.292 INCHES MAXIMUM
  • NUT HEIGHT
    0.281 INCHES MAXIMUM
  • PLATE THICKNESS
    0.030 INCHES MAXIMUM
  • PLATE WIDTH
    0.516 INCHES MAXIMUM
  • COUNTERBORE DIAMETER
    0.254 INCHES MINIMUM NUT
  • LUBRICATION
    DRY FILM LUBRICANT
  • NUT MOUNTING PROVISION
    STRAIGHT HOLES
  • MOUNTING HOLE ARRANGEMENT STYLE
    2 HOLES
  • MOUNTING HOLE DIAMETER
    0.098 INCHES MINIMUM AND
  • 0.103 INCHES MAXIMUM
  • DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER
    0.495 INCHES MINIMUM AND
  • 0.505 INCHES MAXIMUM
  • CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH
    0.989 INCHES MINIMUM AND
  • 1.002 INCHES MAXIMUM
  • TEMP RATING
    450.0 DEG FAHRENHEIT NOMINAL
  • FEATURES PROVIDED
    FLOATING NUT
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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