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Setscrew NSN 5305-00-025-7251

Item Description

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.

NSN 5305-00-025-7251 NSN: 5305-00-025-7251

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.938 inches
Fastener Length
2.063 inches
Head Style
Hexagon extended washer
Head Height
0.625 inches
Width Between Flats
Between 0.615 inches and 0.627 inches
Extended Washer Diameter
1.903 inches
Extended Washer Thickness
0.187 inches
Hole Diameter
0.070 inches
Point Length
0.125 inches
Point Diameter
Between 0.539 inches and 0.549 inches
Point Style
Flat
Internal Drive Style
W/o internal drive
Thread Diameter
0.625 inches
Hole Quantity
1
Hole Type
Drilled
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
160000 pounds per square inch
Hole Configuration Style
Hexagon flats
Point Chamfer Angle
45.0 degrees
Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
000257251
NSN
5305000257251

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
187-63015-5
Cage Code:
43999
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 5305-00-025-7251
What are the manufacturers of nsn 5305000257251?
Does this nsn 5305000257251 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305000257251
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.
Does nsn 5305000257251 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305000257251 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305000257251?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06672
FIIG:
A003B0
App. Key:
SQ
Cond. Code:
1
Status:
A

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