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NSN 5305-00-227-1254

Panel Assembly Fastener

About this product

Between 1.203 inches and 1.250 inches fastener length, flat countersunk head style, between 0.502 inches and 0.507 inches head diameter, shoulder diameter: 0.280 inches first shoulder and 0.281 inches first shoulder.

Manufacturer part number HT42N12 for national stock number 5305002271254.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-00-227-1254.

  • MPN or Model

    HT42N12

  • 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)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.443 inches and 0.510 inches
  • Fastener Length
    Between 1.203 inches and 1.250 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.502 inches and 0.507 inches
  • Shoulder Diameter
    0.280 inches first shoulder and 0.281 inches first shoulder
  • Shoulder Length
    0.645 inches first shoulder and 0.667 inches first shoulder
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    28
  • Hardness Rating
    24.0 rockwell c and 44.0 rockwell c
  • Countersink Angle
    100.0 degrees
  • Shoulder Shape
    Round first shoulder
  • Material
    Iron alloy 660
  • Thread Series Designator
    Unf
More from these suppliers
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 5305002271254

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT42N12 Hi-shear Corporation
HT42N12 Lisi Aerospace Canada Corp
3M218-4-12 Boeing Company, The
55979-4-12 Sps Technologies, Llc
HT1030-4-12 Arconic Global Fasteners & Rings,
55979-4-12 Sps Technologies Inc
3M218 Boeing Company, The
HT1030-4-12 Alcoa Global Fasteners, Inc.
Stock Check
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