Assembled Washe Self-locking Nut NSN 5310-01-221-7020

Item Description

A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

NSN: 5310-01-221-7020

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Locking Feature

Free-running all metal design

Washer Outside Diameter

0.460 inches

Counterbore Diameter

0.283 inches and 0.288 inches nut

Overall Height

0.280 inches

Nut Style

Flat with turned up edge

Nut Counterbore Depth

0.087 inches and 0.097 inches nut

Width Across Flats

Between 0.306 inches and 0.313 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 39.0 rockwell c and 43.0 rockwell c

Thread Size

0.250 inches

Special Features

Washer rockwell c scale 40.0 min and 45.0 maxz use with k-fast automatic tool

Material

Steel washer

Material Specification

Mil-s-5000 military specification 1st material response or mil-s-5626 military specification 2nd material response or mil-s-6049 military specification 3rd material response nut

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 2 federal specification single treatment response

FSC

5310 Nuts And Washers

NIIN

012217020

NSN

5310012217020

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

KFN542-4S

Cage Code:

15653

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 7318160000
NAICS: 332722
SITC: 69421
Description: Nuts of iron or steel
End Use (Code 12300):
Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-221-7020

What are the manufacturers of nsn 5310012217020?

Arconic Global Fasteners & Rings, (15653)
Arconic Global Fasteners & Rings, (75237)

Does this nsn 5310012217020 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310012217020
A nut on which has been assembled a nonremovable washer. an integral feature is incorporated for locking on the threads of a mating member.

Does nsn 5310012217020 contain any precious metals?
No precious metal content.

Does nsn 5310012217020 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310012217020?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

29736

FIIG:

A021A0

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