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Socket Head Cap Screw NSN 5305-01-226-6740

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 5305-01-226-6740 NSN: 5305-01-226-6740

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.125 inches and 1.250 inches
Fastener Length
1.250 inches
Head Style
Flat chamfer
Head Diameter
0.562 inches
Head Height
0.400 inches
Internal Drive Style
Hexagon
End Application
Howitzer; howitzer, medium, towed, 155mm
Thread Diameter
0.375 inches
Width Across Flats
0.312 inches
Thready Qty Per Inch (tpi)
16
Material
Steel
Surface Treatment
Phosphate zinc
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
012266740
NSN
5305012266740

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
72160
Cage Code:
74445
Status:
A
MSDS:
Part Number:
11579774
Cage Code:
19206
Status:
A
MSDS:
Part Number:
40568
Cage Code:
70276
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 5305-01-226-6740
What are the manufacturers of nsn 5305012266740?
Does this nsn 5305012266740 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012266740
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 5305012266740 contain any precious metals?
No precious metal content.
Does nsn 5305012266740 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012266740?
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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