Tapping Screw NSN 5305-01-157-1987

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: 5305-01-157-1987

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Features and Characteristics

Fastener Length

Between 19.20 millimeters and 20.80 millimeters

Head Style

Oval countersunk

Head Diameter

Between 7.4 millimeters and 8.7 millimeters

Spline Major Diameter

3.4 millimeters

Features Provided

Casehardened

Nonmachine Thread Style

Gimlet point (type a, ab or ba)

Countersink Angle

Between 90.0 degrees and 92.0 degrees

Nonmachine Thread Diameter

4.2 millimeters

Material

Steel

Material Specification

Aisi assn standard all material responses

Surface Treatment

Chromate

Surface Treatment Specification

Gm 4255-m mfr ref single treatment response

FSC

5305 Screws

NIIN

011571987

NSN

5305011571987

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

11501149

Cage Code:

7X677

Status:

MSDS:

Part Number:

11504477

Cage Code:

7X677

Status:

MSDS:

Part Number:

9417987

Cage Code:

24617

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 5305-01-157-1987

What are the manufacturers of nsn 5305011571987?

Does this nsn 5305011571987 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305011571987
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 5305011571987 contain any precious metals?
No precious metal content.

Does nsn 5305011571987 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305011571987?
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