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Socket Head Cap Screw NSN 5305-00-421-7919

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 5305-00-421-7919 NSN: 5305-00-421-7919

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.420 inches and 0.500 inches
Fastener Length
Between 0.470 inches and 0.500 inches
Head Style
Flat chamfer
Head Diameter
Between 0.176 inches and 0.183 inches
Head Height
Between 0.108 inches and 0.112 inches
Internal Drive Style
Hexagon
Thread Diameter
0.112 inches
Width Across Flats
Between 0.094 inches and 0.095 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
80000 pounds per square inch
Hardness Rating
80.0 rockwell b
Minimum Yield Strength
30000 pounds per square inch
Special Features
Finish color black
Material
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
Material Specification
66 federal standard all material responses
Surface Treatment
Oxide
Surface Treatment Specification
Mil-c-13924, cl 4 military specification single treatment response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
6 type
FSC
5305 Screws
NIIN
004217919
NSN
5305004217919

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FFS86
Cage Code:
81348
Status:
A
MSDS:
Part Number:
MS16995-11B
Cage Code:
80205
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 5305-00-421-7919
What are the manufacturers of nsn 5305004217919?
Does this nsn 5305004217919 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305004217919
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 5305004217919 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305004217919 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305004217919?
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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