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NSN 5305-01-536-4439

Panel Assembly Fastener

About this product

Between 0.660 inches and 0.690 inches fastener length, flat countersunk head style, between 0.388 inches and 0.395 inches head diameter, shoulder diameter: 0.2802 inches grip and 0.2807 inches grip.

Manufacturer part number 3M1278E4D4A for national stock number 5305015364439.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-01-536-4439.

  • MPN or Model

    3M1278E4D4A

  • Schedule B
    7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire))
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.425 inches
  • Fastener Length
    Between 0.660 inches and 0.690 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.388 inches and 0.395 inches
  • Shoulder Diameter
    0.2802 inches grip and 0.2807 inches grip
  • Shoulder Length
    0.1900 inches grip
  • Hole Diameter
    Between 0.066 inches and 0.086 inches
  • Spline Minor Diameter
    Between 0.1105 inches and 0.1125 inches
  • Spline Major Diameter
    Between 0.1540 inches and 0.1560 inches
  • Internal Drive Style
    Torx
  • End Application
    F/a 18 e/f aircraft
  • Thread Diameter
    0.250 inches
  • Hole Quantity
    1
  • Hole Type
    Drilled
  • Features Provided
    Cetyl alcohol lubricant
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Criticality Code Justification
    Agav
  • Shoulder Shape
    Round grip
  • Part Name Assigned By Controlling Agency
    Eddie bolt aircraft
  • Material
    Nickel alloy 718
  • Material Specification
    Ams5662 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Mil-l-87132 type 1 grade b military specification 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 5305015364439

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M1278E4D4A Boeing Company, The
TX1027E4D4YA Sps Technologies, Llc
TX1027E4D4YA Sps Technologies, Llc
TX1027E4D4YA Sps Technologies, Llc
TX1027E4D4YA Arconic Global Fasteners & Rings,
TX1027E4D4YA Hi-shear Corporation
TX1027E4D4YA Sps Technologies, Llc
TX1027E4D4YA Lisi Aerospace Canada Corp
11863E4D4A Reid Products Inc.
TX1027E4D4YA Sps Technologies Inc
Stock Check
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