1-321-802-5889

NSN 5305-01-091-7928

Panel Assembly Fastener

About this product

Between 2.072 inches and 2.118 inches fastener length, flat countersunk head style, between 1.007 inches and 1.1017 inches head diameter, shoulder diameter: 0.5297 inches first shoulder and 0.5307 inches first shoulder.

Manufacturer part number ST3M547-8-23 for national stock number 5305010917928.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-01-091-7928.

  • MPN or Model

    ST3M547-8-23

  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.624 inches and 0.690 inches
  • Fastener Length
    Between 2.072 inches and 2.118 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 1.007 inches and 1.1017 inches
  • Shoulder Diameter
    0.5297 inches first shoulder and 0.5307 inches first shoulder
  • Shoulder Length
    1.226 inches first shoulder and 1.246 inches first shoulder
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.500 inches
  • Thready Qty Per Inch (tpi)
    20
  • Countersink Angle
    Between 90.0 degrees and 110.0 degrees
  • Shoulder Shape
    Round first shoulder
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel
  • Material Specification
    23-105 fscm 76301 mfr ref single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Ps 13145 fscm 76301 mfr ref single treatment response
  • Thread Series Designator
    Unjf
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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 5305010917928

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M547-8-23 Boeing Company, The
66904H8-23 Sps Technologies, Llc
HT308-8-23 Hi-shear Corporation
HT308-8-23 Lisi Aerospace Canada Corp
66904H8-23 Sps Technologies, Llc
ST3M547-8-23 Boeing Company, The
HT308-8-23 Hi-shear Corporation
66904H8-23 Sps Technologies, Llc
66904H8-23 Sps Technologies, Llc
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