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Thumbscrew NSN 5305-00-638-6307

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 5305-00-638-6307 NSN: 5305-00-638-6307

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.312 inches
Fastener Length
1.000 inches
Head Style
Knurled no. 1
Head Diameter
0.438 inches
Head Height
0.375 inches
Shoulder Diameter
0.234 inches first shoulder
Shoulder Length
0.031 inches first shoulder
Point Length
0.094 inches
Point Diameter
0.189 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Point Chamfer Angle
120.0 degrees
Shoulder Shape
Round first shoulder
Material
Steel comp 302 or steel comp 316
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
006386307
NSN
5305006386307

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SC1015A
Cage Code:
80249
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 5305-00-638-6307
What are the manufacturers of nsn 5305006386307?
Does this nsn 5305006386307 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006386307
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 5305006386307 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305006386307 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006386307?
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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