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Thumbscrew NSN 5305-01-042-4425

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 5305-01-042-4425 NSN: 5305-01-042-4425

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.790 inches and 0.910 inches
Fastener Length
Between 1.220 inches and 1.280 inches
Head Style
Knurled no. 1
Head Diameter
Between 0.280 inches and 0.340 inches
Head Height
Between 0.470 inches and 0.530 inches
First Diameter From Head
Between 0.080 inches and 0.085 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.370 inches and 0.430 inches
Point Style
Flat
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Externally Relieved Body Diameter Quantity
1
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 4130
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
010424425
NSN
5305010424425

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
886455-1
Cage Code:
3B150
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318152000
  • NAICS: 332722
  • SITC: 69421
  • Description: Bolts and bolts and their nuts or washers exported in the same shipment
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 5305-01-042-4425
What are the manufacturers of nsn 5305010424425?
Does this nsn 5305010424425 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010424425
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 5305010424425 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010424425 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010424425?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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