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NSN 5305-01-458-8591

Panel Assembly Fastener

About this product

Between 0.970 inches and 1.000 inches fastener length, hexagon head style, between 0.150 inches and 0.163 inches head height, width between flats: between 0.428 inches and 0.438 inches .

Manufacturer part number 2351-20503-01 for national stock number 5305014588591.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-01-458-8591.

  • MPN or Model

    2351-20503-01

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.320 inches and 0.350 inches
  • Fastener Length
    Between 0.970 inches and 1.000 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.150 inches and 0.163 inches
  • Width Between Flats
    Between 0.428 inches and 0.438 inches
  • Shoulder Diameter
    0.243 inches first shoulder and 0.250 inches first shoulder
  • Shoulder Length
    0.485 inches second shoulder and 0.495 inches second shoulder
  • Internal Drive Style
    W/o internal drive
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    28
  • Shoulder Shape
    Round all shoulders
  • Material
    Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
  • Material Specification
    66 federal standard all material responses
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • 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 5305014588591

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2351-20503-01 Northrop Grumman Systems Corporation
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