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Thumbscrew NSN 5305-01-197-4644

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 5305-01-197-4644 NSN: 5305-01-197-4644

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.300 inches
Fastener Length
0.630 inches
Head Style
Knurled no. 1
Head Diameter
0.625 inches
Head Height
0.250 inches
Point Style
Flat
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
24
Shoulder Shape
Round
Special Features
Fastner has an undercut 0.12 inchwide; unthreaded portion of fastner has a diameter of 0.220 inch
Material
Steel comp 416
Material Specification
Astm a582 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 type 4 federal specification single treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
011974644
NSN
5305011974644

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12292661
Cage Code:
19207
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 5305-01-197-4644
What are the manufacturers of nsn 5305011974644?
Does this nsn 5305011974644 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011974644
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 5305011974644 contain any precious metals?
No precious metal content.
Does nsn 5305011974644 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011974644?
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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