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Socket Head Cap Screw NSN 5305-00-273-4145

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 5305-00-273-4145 NSN: 5305-00-273-4145

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.408 inches and 0.500 inches
Fastener Length
Between 0.470 inches and 0.500 inches
Head Style
Flat chamfer
Head Diameter
Between 0.303 inches and 0.312 inches
Head Height
Between 0.185 inches and 0.190 inches
Hole Diameter
Between 0.044 inches and 0.050 inches
Internal Drive Style
Hexagon
Thread Diameter
0.190 inches
Width Across Flats
Between 0.156 inches and 0.159 inches
Hole Quantity
6
Hole Type
Drilled
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
38.0 rockwell c and 45.0 rockwell c
Minimum Yield Strength
155000 pounds per square inch
Hole Configuration Style
Round internal hexagon
Color
Black
Material
Steel
Surface Treatment
Oxide
Surface Treatment Specification
Mil-c-13924, class 1 military specification single treatment response
Thread Series Designator
Unrf
Specification Data
80205-nas1351 professional/industrial association standard
FSC
5305 Screws
NIIN
002734145
NSN
5305002734145

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1351-3H8B
Cage Code:
80205
Status:
A
MSDS:
Part Number:
NAS1351-3H8
Cage Code:
80205
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 5305-00-273-4145
What are the manufacturers of nsn 5305002734145?
Does this nsn 5305002734145 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002734145
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 5305002734145 contain any precious metals?
No precious metal content.
Does nsn 5305002734145 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002734145?
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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