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NSN 5305-00-151-8657

Panel Assembly Fastener

About this product

Full surface of head painted light blue.

Manufacturer part number GS551P4-681 for national stock number 5305001518657.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-00-151-8657.

  • MPN or Model

    GS551P4-681

  • 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.)
    0.1 lb
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.397 inches and 0.427 inches
  • Fastener Length
    Between 1.017 inches and 1.047 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.357 inches
  • Shoulder Diameter
    0.254 inches first shoulder and 0.256 inches first shoulder
  • Shoulder Length
    0.556 inches first shoulder and 0.586 inches first shoulder
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Shoulder Shape
    Round first shoulder
  • Material
    Steel comp 4037
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2, class 3 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 5305001518657

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
GS551P4-681 Northrop Grumman Systems Corporation
GS551P4-681 Sps Technologies, Llc
GS551P4-681 Bfgoodrich Co The
2R1465-9 Bfgoodrich Co The
Stock Check
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