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Thumbscrew NSN 5305-01-421-2047

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 5305-01-421-2047 NSN: 5305-01-421-2047

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.420 inches
Fastener Length
0.500 inches
Head Style
Knurled no. 1
Head Diameter
0.500 inches
Head Height
0.500 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Special Features
Threads undercut for relief: 0.193 in. Dia. Porm 0.002 in. X 0.080 in. Wide
Material
Steel comp xm-12
Material Specification
Ams 5659 assn standard single material response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
014212047
NSN
5305014212047

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MBEU143434
Cage Code:
30003
Status:
A
MSDS:
Part Number:
2021AS271
Cage Code:
30003
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 5305-01-421-2047
What are the manufacturers of nsn 5305014212047?
Does this nsn 5305014212047 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305014212047
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 5305014212047 contain any precious metals?
No precious metal content.
Does nsn 5305014212047 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305014212047?
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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