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Thumbscrew NSN 5305-01-255-2678

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 5305-01-255-2678 NSN: 5305-01-255-2678

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.938 inches
Fastener Length
2.000 inches
Head Style
Thumb no. 3
Head Height
Between 0.453 inches and 0.483 inches
Width Between Flats
Between 0.395 inches and 0.425 inches
Point Style
Flat
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Material
Steel comp 302
Material Specification
Mil-s-7720 military specification single material response
Surface Treatment
Passivate
Thread Series Designator
Unf
Specification Data
80205-nas1300 professional/industrial association standard
FSC
5305 Screws
NIIN
012552678
NSN
5305012552678

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1300C3T32
Cage Code:
80205
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 5305-01-255-2678
What are the manufacturers of nsn 5305012552678?
Does this nsn 5305012552678 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012552678
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 5305012552678 contain any precious metals?
No precious metal content.
Does nsn 5305012552678 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012552678?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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