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Thumbscrew NSN 5305-01-250-2491

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 5305-01-250-2491 NSN: 5305-01-250-2491

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.270 inches
Fastener Length
0.600 inches
Head Diameter
Between 0.176 inches and 0.183 inches
Head Height
Between 0.083 inches and 0.086 inches
Hole Diameter
0.036 inches
First Diameter From Head
0.081 inches
Second Diameter From Head
0.112 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.330 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
0.600 inches
Point Style
Cone
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Hole Configuration Style
Round longitudinal hole
Externally Relieved Body Diameter Quantity
2
Material
Stainless steel
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type 2 federal specification single treatment response
Thread Series Designator
Unrc
FSC
5305 Screws
NIIN
012502491
NSN
5305012502491

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
240784
Cage Code:
09205
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 5305-01-250-2491
What are the manufacturers of nsn 5305012502491?
Does this nsn 5305012502491 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012502491
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 5305012502491 contain any precious metals?
No precious metal content.
Does nsn 5305012502491 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012502491?
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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