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Socket Head Cap Screw NSN 5305-01-307-1820

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 5305-01-307-1820 NSN: 5305-01-307-1820

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.650 inches and 0.750 inches
Fastener Length
0.750 inches
Head Style
Knurled no. 1
Head Diameter
Between 0.365 inches and 0.375 inches
Head Height
Between 0.244 inches and 0.250 inches
Internal Drive Style
Hexagon
End Application
Mrap - cougar
Thread Diameter
0.250 inches
Width Across Flats
0.188 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
39.0 rockwell c and 45.0 rockwell c
Color
Black
Material
Steel
Material Specification
Sae grade 8 assn standard single material response
Surface Treatment
Oxide
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
013071820
NSN
5305013071820

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
91251A540
Cage Code:
39428
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 5305-01-307-1820
What are the manufacturers of nsn 5305013071820?
Does this nsn 5305013071820 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013071820
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 5305013071820 contain any precious metals?
No precious metal content.
Does nsn 5305013071820 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013071820?
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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