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NSN 5305-00-639-5053

Panel Assembly Fastener

About this product

0.250 inches fastener length, flat chamfer head style, 0.250 inches head diameter, head height: 0.094 inches .

Manufacturer part number 1287-227 for national stock number 5305006395053.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-00-639-5053.

  • MPN or Model

    1287-227

  • 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
    0.213 inches
  • Fastener Length
    0.250 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    0.250 inches
  • Head Height
    0.094 inches
  • Shoulder Diameter
    0.147 inches first shoulder
  • Shoulder Length
    0.037 inches first shoulder
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.138 inches
  • Thready Qty Per Inch (tpi)
    40
  • Shoulder Shape
    Round first shoulder
  • Material
    Steel comp 303se
  • Material Specification
    Astm a582 assn standard single material response
  • Surface Treatment
    Passivate
  • 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 5305006395053

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1287-227 Kollsman, Inc.
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