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NSN 5305-01-305-9494

Panel Assembly Fastener

About this product

Undercut below head 0.093 in. Max width,0.020 in. Min. Head fillet radius; undercut below shoulder 0.125 in. Max. Width,0.029 in. Thru 0.035 in. Thread neck fillet radius.

Manufacturer part number MS21301-33 for national stock number 5305013059494.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-01-305-9494.

  • MPN or Model

    MS21301-33

  • 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.)
    42 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.480 inches and 0.625 inches
  • Fastener Length
    Between 2.600 inches and 2.630 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.729 inches and 0.750 inches
  • Head Height
    Between 0.302 inches and 0.312 inches
  • Shoulder Diameter
    0.496 inches first shoulder and 0.498 inches first shoulder
  • Shoulder Length
    1.902 inches first shoulder and 2.005 inches first shoulder
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.375 inches
  • Width Across Flats
    0.250 inches
  • Thready Qty Per Inch (tpi)
    26
  • Min. Tensile Strength (psi)
    140000 pounds per square inch
  • Hardness Rating
    32.0 rockwell c and 43.0 rockwell c
  • Shoulder Shape
    Round first shoulder
  • Material
    Steel comp e4340 or steel comp 4340
  • Material Specification
    Mil-s-5000 military specification 1st material response or ams 6415 assn standard 2nd material response
  • Thread Series Designator
    Unc
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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 5305013059494

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS21301-33 Military Standards
Stock Check
Availability for this item was last checked on 04/19/24. The quantities and conditions available at the time were:
  • NE: 301
  • NS: 1