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Socket Head Cap Screw NSN 5305-00-410-0644

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 5305-00-410-0644 NSN: 5305-00-410-0644

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.309 inches and 0.375 inches
Fastener Length
Between 0.345 inches and 0.375 inches
Head Style
Button
Head Diameter
Between 0.176 inches and 0.188 inches
Head Height
Between 0.044 inches and 0.052 inches
Locking Feature
Patch threads or pellet threads or strip threads
Internal Drive Style
Hexagon
Thread Diameter
0.099 inches
Width Across Flats
0.0625 inches
Thready Qty Per Inch (tpi)
56
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 45.0 rockwell c
Color
Black
Material
Steel
Surface Treatment
Oxide
Thread Series Designator
Unrf
FSC
5305 Screws
NIIN
004100644
NSN
5305004100644

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
94702E3F6
Cage Code:
0PTK6
Status:
A
MSDS:
Part Number:
38030L3F6
Cage Code:
56878
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 5305-00-410-0644
What are the manufacturers of nsn 5305004100644?
Does this nsn 5305004100644 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305004100644
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 5305004100644 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305004100644 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305004100644?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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