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Tapping Screw NSN 5305-00-052-6921

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 5305-00-052-6921 NSN: 5305-00-052-6921

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Features and Characteristics

Fastener Length
0.500 inches
Head Style
Pan
Head Diameter
Between 0.473 inches and 0.492 inches
Head Height
Between 0.162 inches and 0.175 inches
Internal Drive Style
Cross recess type 1
Features Provided
Casehardened
Nonmachine Thread Style
Thru slot (type d) or double flute (type f) or through slot (type 6) or wide flute (type t)
Nonmachine Thread Diameter
0.250 inches
Material
Steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1021 or steel comp 1022 or steel comp 1524
Material Specification
Aisi assn standard all material responses
Surface Treatment
Passivate and chromate
Surface Treatment Specification
Qq-p-416, type 2 cl 3 federal specification all treatment responses
FSC
5305 Screws
NIIN
000526921
NSN
5305000526921

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS24629-57
Cage Code:
80205
Status:
A
MSDS:
Part Number:
50A2630
Cage Code:
81240
Status:
A
MSDS:
Part Number:
5305PL0703768
Cage Code:
9009H
Status:
A
MSDS:
Part Number:
5305000526921
Cage Code:
SCY13
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 5305-00-052-6921
What are the manufacturers of nsn 5305000526921?
Does this nsn 5305000526921 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305000526921
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 5305000526921 contain any precious metals?
No precious metal content.
Does nsn 5305000526921 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305000526921?
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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