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Worldwide distributor of NSN parts and consumables located in the USA.

Thumbscrew

Model / MPN: A295155 | NSN: 5305-00-558-4615
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
5305-00-558-4615
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.260 inches
Fastener Length
1.240 inches
Head Style
Knurled no. 1
Head Diameter
0.312 inches
Head Height
0.100 inches
First Diameter From Head
0.090 inches
Second Diameter From Head
0.150 inches
Third Diameter From Head
0.250 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.440 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
0.920 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
0.980 inches
Point Style
Flat
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 303 or steel comp 303se
Material Specification
Astm a582 assn standard all material responses
Thread Series Designator
Unc
A2951 Series Parts

Pricing and Availability

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A295155 Cross Reference
  • 70-112406-1