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NSN 5305-00-062-7255

Panel Assembly Fastener

About this product

Between 0.703 inches and 0.750 inches fastener length, flat countersunk head style, between 0.376 inches and 0.381 inches head diameter, shoulder diameter: 0.202 inches first shoulder and 0.203 inches first shoulder.

Manufacturer part number NAS1703-5R for national stock number 5305000627255.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-00-062-7255.

  • MPN or Model

    NAS1703-5R

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Unit Weight (Est.)
    0.2 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.319 inches and 0.448 inches
  • Fastener Length
    Between 0.703 inches and 0.750 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.376 inches and 0.381 inches
  • Shoulder Diameter
    0.202 inches first shoulder and 0.203 inches first shoulder
  • Shoulder Length
    0.228 inches first shoulder and 0.250 inches first shoulder
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.190 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hardness Rating
    36.0 rockwell c and 40.0 rockwell c
  • Countersink Angle
    100.0 degrees
  • Shoulder Shape
    Round first shoulder
  • Material
    Steel comp e4340 or steel comp 4340 or steel comp 8740 or steel comp 8735 or steel comp 6150 or steel comp 4140 or steel comp 4130 or steel comp 4037
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 3 federal specification all treatment responses
  • Thread Series Designator
    Unf
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Shoulder Screw

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.

Mechanic Bill explains Panel Assembly Fastener

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NSN 5305000627255

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1703-5R National Aerospace Standards
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