Extended Washer Self-Locking Nut
73400-820
(NSN) National Stock Number
5310-01-055-3851
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
29729
Schedule B Code
7318160000
Summary
3b thread class, right-hand thread direction, prevailing torque all metal design locking feature, 0.863 inches maximum washer outside diameter, soluble lubricant lubrication, 0.549 inches maximum overall height
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
Identification
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 29729 | 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.Washer Outside Diameter
0.863 inches maximum
Details
None.Lubrication
soluble lubricant
Details
A substance designed to provide a reduction of friction between the two surfaces in contact.Overall Height
0.549 inches maximum
Details
The distance measured in a straight line from the bottom to the top of an item.Nut Style
double hexagon
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.Washer Thickness
0.074 inches minimum
Details
None.Width Across Flats
0.616 inches minimum and 0.627 inches maximum
Details
The shortest straight line between flats,perpendicular to the height.Thread Series
unjf
Details
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.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.Hardness Rating
34.0 rockwell c minimum and 43.0 rockwell c maximum
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Nominal Thread Size
0.500 inches
Details
A designation that is used for the purpose of general identification of the thread.Bearing Surface Finish
125.0 microinches
Details
Designates the specific roughness rating of the bearing surface,representing the arithmetic average deviation of the surface from the meanline in profile.Part Name Assigned By Controlling Agency
navy special project
Details
The name assigned to the item by the government agency or commercial organization controlling the design of the item.Material
steel comp 4037 or steel comp 8630 or steel comp 8740 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Surface Treatment
cadmium overall
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 fed spec single treatment response overall
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 |
|---|---|---|---|---|---|---|---|
| VN427AC080 | 92215 | 1 | - | 3 | 2 | - | ZZ |
| 202-16122-8P | 80378 | 1 | - | 7 | 2 | - | ZZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | A | - |
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.
- Genuine Manufacturers Parts
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- 7 Year Sales Record Retention
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- HAZMAT Certified
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Manufacturer
SPS TECHNOLOGIES, LLC DIV FASTENERS
CAGE: 56878
JENKINTOWN
, PA
, 19046-2630
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-01-055-3851
What is the NIIN of the NSN 5310-01-055-3851?
The National Item Identification Number (NIIN) of the NSN 5310-01-055-3851 is 01-055-3851
When the NSN 5310-01-055-3851 was assigned to the Federal Catalog?
It was assigned 46 years ago, on Sat, Feb 4, 1978
Does the NSN 5310-01-055-3851 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-01-055-3851 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5310-01-055-3851?
No known electrostatic discharge
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