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Thumbscrew NSN 5305-01-439-4220

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 5305-01-439-4220 NSN: 5305-01-439-4220

Features and Characteristics

Thread Direction
Right-hand
Thread Length
22.0 millimeters
Fastener Length
41.0 millimeters
Head Style
Thumb no. 4
Head Height
22.0 millimeters
Width Between Flats
34.0 millimeters
Thread Diameter
8.0 millimeters
Thread Pitch In Millimeters
1.25
External Thread Tolerance Class
6g
Special Features
Two unthreaded holes in head 3.0mm dia, 24.0mm distance center to center; unthreaded portion on shank in middle of threaded area 27.0mm lg and 6.42mm dia
Material
Steel comp 304
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
M
FSC
5305 Screws
NIIN
014394220
NSN
5305014394220

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A3132832-2
Cage Code:
80063
Status:
A
MSDS:
Part Number:
D0078.1001
Cage Code:
A0069
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 5305-01-439-4220
What are the manufacturers of nsn 5305014394220?
Does this nsn 5305014394220 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305014394220
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 5305014394220 contain any precious metals?
No precious metal content.
Does nsn 5305014394220 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305014394220?
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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