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Socket Head Cap Screw NSN 5305-00-637-8417

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 5305-00-637-8417 NSN: 5305-00-637-8417

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.740 inches and 0.760 inches
Fastener Length
Between 0.740 inches and 0.760 inches
Head Style
Flat chamfer
Head Diameter
Between 0.615 inches and 0.625 inches
Head Height
Between 0.430 inches and 0.438 inches
Locking Feature
Pellet threads
Internal Drive Style
Hexagon
Thread Diameter
0.437 inches
Width Across Flats
Between 0.312 inches and 0.316 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
28.0 rockwell c and 34.0 rockwell c
Material
Steel
Surface Treatment
Cadmium
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
006378417
NSN
5305006378417

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M60FS720-12C
Cage Code:
26233
Status:
A
MSDS:
Part Number:
1787780
Cage Code:
10001
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 5305-00-637-8417
What are the manufacturers of nsn 5305006378417?
Does this nsn 5305006378417 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006378417
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 5305006378417 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305006378417 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006378417?
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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