Plate Self-Locking Nut
52A21-12-070
(NSN) National Stock Number
5310-00-576-5759
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
05280
Schedule B Code
7318160000
Summary
3b thread class, right-hand thread direction, prevailing torque with nonmetallic insert locking feature, 0.130 inches minimum and 0.135 inches maximum mounting hole diameter, plate nut style, 1.406 inches nominal nut length
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| X | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | XX |
Identification
A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 05280 | A021A0 | 1 | 1 |
Specifications
Thread Class
3b
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Direction
right-hand
Details
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.Locking Feature
prevailing torque with nonmetallic insert
Details
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.Mounting Hole Diameter
0.130 inches minimum and 0.135 inches maximum
Details
The length of a straight line which passes through the center of a mounting hole,and terminates at the circumference.Nut Style
plate
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.Nut Length
1.406 inches nominal
Details
A measurement of the longest dimension of the nut,in distinction from width.Nut Height
0.453 inches nominal
Details
None.Plate Thickness
0.037 inches minimum and 0.047 inches maximum
Details
A measurement of the smallest dimension of a plate,in distinction from length or width.Plate Width
0.906 inches nominal
Details
A measurement taken at right angles to the length of a plate,in distinction from thickness.Nut Mounting Provision
straight holes
Details
The means by which the nut is mounted.Mounting Hole Arrangement Style
2 holes
Details
The style designation indicating the configuration that most nearly corresponds to the arrangement of the mounting hole(s).Distance From Aperture Center To Mounting Hole Center
0.562 inches nominal
Details
None.Center To Center Distance Between Mounting Holes Along Length
1.123 inches minimum and 1.127 inches maximum
Details
A measurement of the center to center distance between the mounting holes along the length.Thread Series
unf
Details
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.Features Provided
floating nut
Details
Those features,not otherwise specified,which may be required for proper functioning of the item.Thread Quantity Per Inch
20
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Nominal Thread Size
0.438 inches
Details
A designation that is used for the purpose of general identification of the thread.Material
plastic polyamide locking insert
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel comp 1137 nut
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel comp 4130 shell
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
mil-s-866 mil spec single material response nut
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Surface Treatment
cadmium nut or zinc nut and chromate nut
Details
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.Surface Treatment
cadmium shell or zinc shell and chromate shell
Details
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.Surface Treatment Document And Classification
qq-p-416,type 1,class 3 fed spec 1st treatment response nut or qq-z-325,type 2,class 3 fed spec 2nd treatment response nut
Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.Surface Treatment Document And Classification
qq-p-416,type 1,class 3 fed spec 1st treatment response shell or qq-z-325,type 2,class 3 fed spec 2nd treatment response shell
Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 52NA21-12-070 | 72962 | X | - | 3 | 9 | - | XX |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 48950 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 573 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 5310-00-576-5759
What is the NIIN of the NSN 5310-00-576-5759?
The National Item Identification Number (NIIN) of the NSN 5310-00-576-5759 is 00-576-5759
When the NSN 5310-00-576-5759 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5310-00-576-5759 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-576-5759 contain any hazardous material?
No data in HMIRS
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