20399

20399 Setscrew

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Datasheet. 20399 specification

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

headless (setscrew)

Point Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.

oval

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

nsn 2420-01-535-4061

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

0.250in. ⁓1/4"

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

20

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

oval pt setscrew 1/4

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unc

Answers.

What class is the thread series?

Unc

What is the thread quantity per inch?

20

What is the head style?

Headless (setscrew)

What is the thread direction?

Right-hand

What is the NSN for 20399?

5305-01-612-2539

What's the federal classification of 20399?

FSC 5305 ⁓ Screws

NSN 5305-01-612-2539 SETSCREW

Used on nsn 2420-01-535-4061. unc thread series oval pt setscrew 1/4 20 thread quantity per inch headless (setscrew) head style right-hand

NIIN
016122539
NIIN Date
10/05/12
Schedule B
 
Name Code
06672
FIIG
A003B0
QUP
 
Historical Price
$0.50 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Army 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other setscrews with similar characteristics

Nothing similar to this part number was found in our inventory

20399 / SetscrewWhat is the formal definition of this item?

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. a locking feature may be incorporated in the design of the head or threads.