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Socket Head Cap Screw NSN 5305-01-250-4643

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 5305-01-250-4643 NSN: 5305-01-250-4643

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 5.195 inches and 5.375 inches
Fastener Length
Between 5.295 inches and 5.375 inches
Head Style
Flat chamfer
Head Diameter
Between 0.735 inches and 0.750 inches
Head Height
Between 0.492 inches and 0.500 inches
Hole Diameter
Between 0.061 inches and 0.067 inches
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
0.375 inches
Hole Quantity
6
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
170000 pounds per square inch
Hardness Rating
38.0 rockwell c and 45.0 rockwell c
Minimum Yield Strength
150000 pounds per square inch
Hole Configuration Style
Round internal hexagon
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
012504643
NSN
5305012504643

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1351-8H86P
Cage Code:
80205
Status:
A
MSDS:
Part Number:
02-035086
Cage Code:
78062
Status:
A
MSDS:
Part Number:
02-035086 ITEM 17
Cage Code:
78062
Status:
A
MSDS:
Part Number:
20420-004 ITEM 17
Cage Code:
78062
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 5305-01-250-4643
What are the manufacturers of nsn 5305012504643?
Does this nsn 5305012504643 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012504643
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 5305012504643 contain any precious metals?
No precious metal content.
Does nsn 5305012504643 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012504643?
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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