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Tapping Screw NSN 5305-01-078-5072

Item Description

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.

NSN 5305-01-078-5072 NSN: 5305-01-078-5072

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Features and Characteristics

Fastener Length
Between 0.950 inches and 1.000 inches
Head Style
Hexagon extended washer
Head Height
Between 0.307 inches and 0.358 inches
Width Between Flats
Between 0.551 inches and 0.562 inches
Extended Washer Diameter
Between 0.720 inches and 0.780 inches
Extended Washer Thickness
Between 0.037 inches and 0.063 inches
Internal Drive Style
W/o internal drive
Features Provided
Casehardened
Min. Tensile Strength (psi)
150000 pounds per square inch
Hardness Rating
32.0 rockwell c and 38.0 rockwell c
Nonmachine Thread Style
Blunt (type tt)
Nonmachine Thread Diameter
0.375 inches
Material
Steel comp 4037
Material Specification
66 federal standard single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl2 federal specification single treatment response or mil-c-81562 type 2 cl 2 military specification single treatment response
Nondefinitive Specification/std Data
B type
FSC
5305 Screws
NIIN
010785072
NSN
5305010785072

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4701271-4
Cage Code:
088A2
Status:
A
MSDS:
Part Number:
MS51871-15
Cage Code:
96906
Status:
A
MSDS:
Part Number:
FF-S-107
Cage Code:
81348
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318140000
  • NAICS: 332722
  • SITC: 69421
  • Description: Self-tapping screws of iron or steel
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 5305-01-078-5072
What are the manufacturers of nsn 5305010785072?
Does this nsn 5305010785072 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010785072
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. the thread may be fluted or otherwise designed to cut or form its own mating thread. excludes screw, assembled washer.
Does nsn 5305010785072 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010785072 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010785072?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
41756
FIIG:
A003B0
App. Key:
SN
Cond. Code:
1
Status:
A

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