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Socket Head Cap Screw NSN 5305-01-243-6556

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 5305-01-243-6556 NSN: 5305-01-243-6556

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.533 inches and 0.625 inches
Fastener Length
Between 0.595 inches and 0.625 inches
Head Diameter
Between 0.347 inches and 0.361 inches
Head Height
Between 0.091 inches and 0.101 inches
Internal Drive Style
Hexagon
Thread Diameter
0.190 inches
Width Across Flats
0.125 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 45.0 rockwell c
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 type 1 federal specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
012436556
NSN
5305012436556

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C12102-03F10B
Cage Code:
56878
Status:
A
MSDS:
Part Number:
38030E-3C-10P3
Cage Code:
56878
Status:
A
MSDS:
Part Number:
38030E-3F-10C
Cage Code:
56878
Status:
A
MSDS:
Part Number:
C12102-03F10C
Cage Code:
81755
Status:
A
MSDS:
Part Number:
38-3-E 3C-10C
Cage Code:
56878
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 5305-01-243-6556
What are the manufacturers of nsn 5305012436556?
Does this nsn 5305012436556 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012436556
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 5305012436556 contain any precious metals?
No precious metal content.
Does nsn 5305012436556 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012436556?
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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