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Thumbscrew

Model / MPN: 13012150 | NSN: 5305-01-143-3228
ITAR Registered seal

An externally threaded fastener whose threaded portion is of one 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).

Product Details
NATO Stock Number
5305-01-143-3228
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
11.2 millimeters
Fastener Length
30.2 millimeters
Head Style
Knurled no. 2
Head Diameter
50.8 millimeters
Head Height
19.1 millimeters
Point Style
Flat
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Material
Steel comp 303
Material Specification
Astm a582 assn standard single material response
Surface Treatment
Oxide
Surface Treatment Specification
Mil-c-13924, class 4 military specification single treatment response
Thread Series Designator
Unf

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13012150 Cross Reference
  • 13012150