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Thumbscrew NSN 5305-00-837-8923

Item Description

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).

NSN 5305-00-837-8923 NSN: 5305-00-837-8923

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.313 inches
Fastener Length
1.437 inches
Head Height
0.625 inches
Width Between Flats
0.937 inches
Point Length
0.187 inches
Point Diameter
0.175 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Point Chamfer Angle
Between 85.0 degrees and 95.0 degrees
Material
Copper alloy 952
Surface Treatment
Paint
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
008378923
NSN
5305008378923

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9178738
Cage Code:
18876
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415338550
  • NAICS: 332722
  • SITC: 69433
  • Description: Other copper screws (not for wood) bolts and nuts
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-00-837-8923
What are the manufacturers of nsn 5305008378923?
Does this nsn 5305008378923 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305008378923
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).
Does nsn 5305008378923 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305008378923 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305008378923?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06673
FIIG:
A003B0
App. Key:
SR
Cond. Code:
1
Status:
A

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