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Socket Head Cap Screw NSN 5305-00-521-8636

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 5305-00-521-8636 NSN: 5305-00-521-8636

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.138 inches
Fastener Length
0.188 inches
Head Style
Flat chamfer
Head Diameter
Between 0.221 inches and 0.226 inches
Head Height
Between 0.134 inches and 0.138 inches
Internal Drive Style
Hexagon
Thread Diameter
0.138 inches
Width Across Flats
Between 0.094 inches and 0.095 inches
Thready Qty Per Inch (tpi)
40
Hardness Rating
38.0 rockwell c and 42.0 rockwell c
Material
Steel comp 4037
Surface Treatment
Phosphate
Surface Treatment Specification
Mil-p-16232, ty m cl 2 military specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
005218636
NSN
5305005218636

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SMD331453-1
Cage Code:
80063
Status:
A
MSDS:
Part Number:
10002
Cage Code:
82423
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 5305-00-521-8636
What are the manufacturers of nsn 5305005218636?
Does this nsn 5305005218636 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305005218636
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 5305005218636 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305005218636 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305005218636?
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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