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Thumbscrew NSN 5305-00-679-0837

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 5305-00-679-0837 NSN: 5305-00-679-0837

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.468 inches and 0.532 inches
Fastener Length
Between 0.609 inches and 0.641 inches
Head Style
Wing no. 2
Head Height
Between 0.734 inches and 0.766 inches
Width Between Flats
Between 1.234 inches and 1.266 inches
First Diameter From Head
Between 0.172 inches and 0.204 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.109 inches and 0.141 inches
Point Style
Flat
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Material
Steel
Surface Treatment
Cadmium and chromate
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
006790837
NSN
5305006790837

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9084389
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: 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 5305-00-679-0837
What are the manufacturers of nsn 5305006790837?
Does this nsn 5305006790837 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006790837
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 5305006790837 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305006790837 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006790837?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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