Plate Self-Locking Nut
F50218-4
(NSN) National Stock Number
5310-00-051-9938
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 all metal design locking feature, 0.098 inches minimum and 0.103 inches maximum mounting hole diameter, plate nut style, 1.290 inches maximum nut length
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
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 all metal design
Details
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.Mounting Hole Diameter
0.098 inches minimum and 0.103 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
1.290 inches maximum
Details
A measurement of the longest dimension of the nut,in distinction from width.Nut Height
0.361 inches maximum
Details
None.Plate Thickness
0.031 inches nominal
Details
A measurement of the smallest dimension of a plate,in distinction from length or width.Plate Width
0.516 inches maximum
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
0.495 inches minimum and 0.505 inches maximum
Details
None.Center To Center Distance Between Mounting Holes Along Length
0.998 inches minimum and 1.002 inches maximum
Details
A measurement of the center to center distance between the mounting holes along the length.Temp Rating
1200.0 deg fahrenheit nominal
Details
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.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
28
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Nominal Thread Size
0.250 inches
Details
A designation that is used for the purpose of general identification of the thread.Material
steel uns s34720 nut or steel uns s34723 nut
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
ams 5510 assn std single material response shell
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Material Document And Classification
ams 5642 assn std all material responses 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.Precious Material And Location
external surfaces silver
Details
An indication of the precious material and its location in the item.Surface Treatment
silver 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
passivate 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
ams 2410 assn std single 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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| LHA8571-048 | 019L2 | 5 | - | 5 | 2 | - | ZZ |
| LL65C428C | 52828 | 5 | - | 3 | 2 | - | ZZ |
| LL65C428C | 11815 | 5 | - | 5 | 9 | - | KZ |
| 3M131-4 | 76301 | 2 | - | 5 | 2 | - | KZ |
| LHA8571-048 | 72962 | 2 | - | 5 | 9 | - | KZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | S | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 48950 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 573 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
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- HAZMAT Certified
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Manufacturer
HOWMET GLOBAL FASTENING SYSTEMS INC
CAGE: 15653
FULLERTON
, CA
, 92831-5334
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-051-9938
What is the NIIN of the NSN 5310-00-051-9938?
The National Item Identification Number (NIIN) of the NSN 5310-00-051-9938 is 00-051-9938
When the NSN 5310-00-051-9938 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Sun, Jan 1, 1961
Does the NSN 5310-00-051-9938 contain any precious metals?
Contains silver
Does the NSN 5310-00-051-9938 contain any hazardous material?
No data in HMIRS
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