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Socket Head Cap Screw NSN 5305-00-637-7211

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 5305-00-637-7211 NSN: 5305-00-637-7211

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.625 inches
Fastener Length
3.250 inches
Head Style
Flat chamfer
Head Diameter
Between 0.379 inches and 0.750 inches
Head Height
Between 0.492 inches and 0.500 inches
Hole Diameter
0.062 inches
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
Between 0.375 inches and 0.378 inches
Hole Quantity
2
Hole Type
Drilled
Thready Qty Per Inch (tpi)
13
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Minimum Yield Strength
140000 pounds per square inch
Hole Configuration Style
Round longitudinal hole
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Surface Treatment
Zinc
Surface Treatment Specification
Qq-z-325, type 2, cl 3 federal specification single treatment response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type and 2 style
Departure From Cited Designator
As modified by head hole configuration
FSC
5305 Screws
NIIN
006377211
NSN
5305006377211

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
650269PC25
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 5305-00-637-7211
What are the manufacturers of nsn 5305006377211?
Does this nsn 5305006377211 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006377211
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 5305006377211 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305006377211 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006377211?
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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