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Socket Head Cap Screw NSN 5305-00-271-5129

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 5305-00-271-5129 NSN: 5305-00-271-5129

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 3.627 inches and 3.781 inches
Fastener Length
Between 3.719 inches and 3.781 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
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
0.375 inches
Thready Qty Per Inch (tpi)
13
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 45.0 rockwell c
Minimum Yield Strength
130000 pounds per square inch
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Material Specification
66 federal standard single material response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type
Departure From Cited Designator
As modified by fastener length
FSC
5305 Screws
NIIN
002715129
NSN
5305002715129

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
43S4347-145
Cage Code:
10001
Status:
A
MSDS:
Part Number:
267926PC10
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 5305-00-271-5129
What are the manufacturers of nsn 5305002715129?
Does this nsn 5305002715129 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002715129
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 5305002715129 contain any precious metals?
No precious metal content.
Does nsn 5305002715129 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002715129?
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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