F52866-4-21 Self-locking Plate Nut

Datasheet. F52866-4-21 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Locking Feature
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

prevailing torque all metal design

Mounting Hole Diameter
The length of a straight line which passes through the center of a mounting hole,and terminates at the circumference.

0.103in.

Nut Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.

plate (floating)

Nut Length
A measurement of the longest dimension of the nut,in distinction from width.

1.375in. ⁓1-3/8"

Nut Height

0.750in. ⁓3/4"

Plate Thickness
A measurement of the smallest dimension of a plate,in distinction from length or width.

0.027in.

Plate Width
A measurement taken at right angles to the length of a plate,in distinction from thickness.

0.865in.

Nut Mounting Provision
The means by which the nut is mounted.

straight holes

Mounting Hole Arrangement Style
The style designation indicating the configuration that most nearly corresponds to the arrangement of the mounting hole(s).

2 holes

Distance From Aperture Center To Mounting Hole Center

0.567in.

Center To Center Distance Between Mounting Holes Along Length
A measurement of the center to center distance between the mounting holes along the length.

1.127in.

Thread Series
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

unjf

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

floating nut

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.250in. ⁓1/4"

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

boss extends to opposite side of plate

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

iron alloy 660 nut

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

iron alloy 660 shell

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 301 base or steel comp 302 base or steel comp 303 base

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 631 clip

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 631 spring

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

ams 5731 assn std single material response nut or ams 5732 assn std single material response nut

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

ams 5731 assn std single material response shell or ams 5732 assn std single material response shell

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-S-763 fed spec 1st material response base or QQ-S-763 fed spec 2nd material response base

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

passivate

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

QQ-P-35 fed spec single treatment response