1-321-802-5889

NSN 5305-00-779-5921

Adjusting Screw

About this product

1.563 inches fastener length, knurled no. 1 head style, 0.625 inches head diameter, head height: 0.125 inches .

Manufacturer part number A25-3-183 for national stock number 5305007795921.

Datasheet

  • Product description

    Thumbscrew NSN 5305-00-779-5921.

  • MPN or Model

    A25-3-183

  • 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
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    0.813 inches
  • Fastener Length
    1.563 inches
  • Head Style
    Knurled no. 1
  • Head Diameter
    0.625 inches
  • Head Height
    0.125 inches
  • Point Length
    0.625 inches
  • Point Diameter
    0.172 inches
  • Point Style
    Chamfer dog
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    28
  • Point Chamfer Angle
    9.0 degrees
  • Material
    Steel
  • Material Specification
    Qq-s-633 federal specification single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, type 1, class 1 federal specification single treatment response
  • Thread Series Designator
    Uns
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Thumbscrew

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

Mechanic Bill explains Adjusting Screw

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NSN 5305007795921

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
A25-3-183 Edgewood Chemical Biological Center
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