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Socket Head Cap Screw NSN 5305-01-243-0744

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 5305-01-243-0744 NSN: 5305-01-243-0744

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.436 inches and 0.498 inches
Fastener Length
0.625 inches
Head Style
Flat countersunk
Head Diameter
Between 0.359 inches and 0.411 inches
Locking Feature
Patch threads
Internal Drive Style
Hexagon
Thread Diameter
0.190 inches
Width Across Flats
0.125 inches
Thready Qty Per Inch (tpi)
32
Hardness Rating
36.0 rockwell c and 45.0 rockwell c
Countersink Angle
Between 80.0 degrees and 84.0 degrees
Material
Steel
Surface Treatment
Zinc and chromate
Surface Treatment Specification
Astm b633 assn standard single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
012430744
NSN
5305012430744

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3176209-C-056
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 5305-01-243-0744
What are the manufacturers of nsn 5305012430744?
Does this nsn 5305012430744 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012430744
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 5305012430744 contain any precious metals?
No precious metal content.
Does nsn 5305012430744 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012430744?
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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