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Socket Head Cap Screw NSN 5305-00-058-1920

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 5305-00-058-1920 NSN: 5305-00-058-1920

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.158 inches
Fastener Length
0.250 inches
Head Style
Flat countersunk
Head Diameter
Between 0.263 inches and 0.287 inches
Internal Drive Style
Hexagon
Thread Diameter
0.138 inches
Width Across Flats
0.078 inches
Thready Qty Per Inch (tpi)
40
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Countersink Angle
Between 80.0 degrees and 84.0 degrees
Material
Stainless steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
000581920
NSN
5305000581920

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
56897
Cage Code:
93835
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 5305-00-058-1920
What are the manufacturers of nsn 5305000581920?
Does this nsn 5305000581920 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305000581920
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 5305000581920 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305000581920 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305000581920?
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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