Tapping Screw NSN 5305-01-443-8437

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: 5305-01-443-8437

Stock Availability

NSN 5305014438437 availability
(as of 04/06/2023).

NS: 4446
NE: 813
OH: 68

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Related NSN

Features and Characteristics

Fastener Length

0.750 inches

Head Style

Hexagon extended washer

Head Height

0.264 inches

Width Between Flats

0.500 inches

Extended Washer Diameter

Between 0.624 inches and 0.676 inches

Extended Washer Thickness

Between 0.035 inches and 0.055 inches

Internal Drive Style

W/o internal drive

Features Provided

Casehardened

Hardness Rating

45.0 rockwell c and 50.0 rockwell c

Nonmachine Thread Style

Double flute (type f)

Nonmachine Thread Diameter

0.312 inches

Material

Steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524

Surface Treatment

Zinc and chromate

Surface Treatment Specification

Astm b633 assn standard single treatment response

Nondefinitive Specification/std Data

F type

FSC

5305 Screws

NIIN

014438437

NSN

5305014438437

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

FF-S-107

Cage Code:

81348

Status:

MSDS:

Part Number:

12377969-2

Cage Code:

19207

Status:

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 5305-01-443-8437

What are the manufacturers of nsn 5305014438437?

Federal Specifications (81348)
U S Army Tank Automotive Command (19207)

Does this nsn 5305014438437 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305014438437
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 5305014438437 contain any precious metals?
No precious metal content.

Does nsn 5305014438437 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305014438437?
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:

Cond. Code:

Status:

What do you get when you order from nationalstocknumber.org?

On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service