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Socket Head Cap Screw NSN 5305-01-490-1898

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 5305-01-490-1898 NSN: 5305-01-490-1898

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Fastener Length
1.250 inches
Head Style
Flat chamfer
Head Diameter
Between 0.735 inches and 0.750 inches
Head Height
Between 0.492 inches and 0.500 inches
Hole Diameter
0.0635 inches
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
0.375 inches
Hole Quantity
2
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Hole Configuration Style
Round internal hexagon
Material
Steel
Material Specification
Astm a574 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Astm b766 assn standard single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
014901898
NSN
5305014901898

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
ASME B18.24
Cage Code:
80204
Status:
A
MSDS:
Part Number:
S300NA42FAM19574NNFE2
Cage Code:
05047
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 5305-01-490-1898
What are the manufacturers of nsn 5305014901898?
Does this nsn 5305014901898 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305014901898
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 5305014901898 contain any precious metals?
No precious metal content.
Does nsn 5305014901898 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305014901898?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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