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Socket Head Cap Screw NSN 5305-00-639-3351

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

NSN 5305-00-639-3351 NSN: 5305-00-639-3351

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.625 inches
Fastener Length
0.625 inches
Head Style
Flat chamfer
Head Diameter
Between 0.365 inches and 0.375 inches
Head Height
Between 0.244 inches and 0.250 inches
Hole Diameter
0.062 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.187 inches and 0.189 inches
Hole Quantity
4
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Hole Configuration Style
Round
Material
Steel
Material Specification
Ams 5610, comp 51416f assn standard single material response
Surface Treatment
Passivate
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
006393351
NSN
5305006393351

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
333S678
Cage Code:
06848
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 5305-00-639-3351
What are the manufacturers of nsn 5305006393351?
Does this nsn 5305006393351 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006393351
An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.
Does nsn 5305006393351 contain any precious metals?
No precious metal content.
Does nsn 5305006393351 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006393351?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
App. Key:
SC
Cond. Code:
1
Status:
A

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