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Socket Head Cap Screw NSN 5305-00-198-9420

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 5305-00-198-9420 NSN: 5305-00-198-9420

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.514 inches and 0.625 inches
Fastener Length
0.625 inches
Head Style
Flat countersunk
Head Diameter
Between 0.359 inches and 0.411 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
0.125 inches
Thready Qty Per Inch (tpi)
28
Countersink Angle
Between 81.0 degrees and 83.0 degrees
Material
Steel
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
001989420
NSN
5305001989420

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
GYK4-10
Cage Code:
0B9R9
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 5305-00-198-9420
What are the manufacturers of nsn 5305001989420?
Does this nsn 5305001989420 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305001989420
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 5305001989420 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305001989420 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305001989420?
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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