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Socket Head Cap Screw NSN 5305-00-839-7051

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 5305-00-839-7051 NSN: 5305-00-839-7051

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.625 inches
Fastener Length
0.625 inches
Head Style
Flat chamfer
Head Diameter
Between 0.367 inches and 0.375 inches
Head Height
Between 0.244 inches and 0.250 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.187 inches and 0.189 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
38.0 rockwell c and 42.0 rockwell c
Special Features
Heat treat min of 2 hr at 350 degrees f after passivating
Material
Steel comp 410
Surface Treatment
Passivate
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
008397051
NSN
5305008397051

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1798128PC8
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 5305-00-839-7051
What are the manufacturers of nsn 5305008397051?
Does this nsn 5305008397051 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305008397051
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 5305008397051 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305008397051 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305008397051?
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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