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NSN 5305-01-278-9631

Button Head Socket Screw

About this product

Between 0.469 inches and 0.500 inches fastener length, flat countersunk head style, between 0.177 inches and 0.225 inches head diameter, locking feature: patch threads.

Manufacturer part number NAS1189E04P8N for national stock number 5305012789631.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-278-9631.

  • MPN or Model

    NAS1189E04P8N

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    156600 - Plastic/rubber Article Viz:
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.374 inches and 0.455 inches
  • Fastener Length
    Between 0.469 inches and 0.500 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.177 inches and 0.225 inches
  • Locking Feature
    Patch threads
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.112 inches
  • Thready Qty Per Inch (tpi)
    40
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Plastic polyamide locking feature
  • Material Specification
    Ams5737 assn standard single material response fastener
  • Surface Treatment
    Passivate fastener
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response fastener
  • Thread Series Designator
    Unjc
  • Specification Data
    80205-nas1189 professional/industrial association standard
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Socket Head Cap Screw

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Mechanic Bill explains Button Head Socket Screw

Pricing and Availability

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NSN 5305012789631

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1189E04P8N National Aerospace Standards
NAS1189E04P8B National Aerospace Standards
NAS1189E04P8N National Aerospace Standards
NAS1189E04P8B National Aerospace Standards
NAS1189E04P8N National Aerospace Standards
NAS1189E04P8B National Aerospace Standards
NAS1189E04P8N National Aerospace Standards
NAS1189E04P8B National Aerospace Standards
NAS1189E04P8N National Aerospace Standards
NAS1189E04P8B National Aerospace Standards
NAS1189E04P8N National Aerospace Standards
NAS1189E04P8B National Aerospace Standards
NAS1189E04P8N National Aerospace Standards
NAS1189E04P8B National Aerospace Standards
NAS1189E04P8N National Aerospace Standards
NAS1189E04P8B National Aerospace Standards
NAS1189E04P8N National Aerospace Standards
NAS1189E04P8B National Aerospace Standards
Stock Check
Availability for this item was last checked on 11/10/21. The quantities and conditions available at the time were:
  • NS: 226
  • NE: 3290