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Socket Head Cap Screw NSN 5305-00-680-6731

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 5305-00-680-6731 NSN: 5305-00-680-6731

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.159 inches
Fastener Length
Between 0.182 inches and 0.192 inches
Head Style
Flat chamfer
Head Diameter
Between 0.135 inches and 0.140 inches
Head Height
Between 0.042 inches and 0.052 inches
Spline Minor Diameter
0.038 inches
Spline Major Diameter
0.050 inches
Spline Width
Between 0.180 inches and 0.190 inches
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
Hardness Rating
35.0 rockwell c and 40.0 rockwell c
Material
Steel comp 416
Material Specification
Qq-s-763, class 416 federal specification single material response
Surface Treatment
Passivate
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
006806731
NSN
5305006806731

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
437309
Cage Code:
94580
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 5305-00-680-6731
What are the manufacturers of nsn 5305006806731?
Does this nsn 5305006806731 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006806731
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 5305006806731 contain any precious metals?
No precious metal content.
Does nsn 5305006806731 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006806731?
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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