Plate Self-Locking Nut
641834
(NSN) National Stock Number
5310-00-409-9551
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, 0.254 inches minimum nut counterbore diameter, 0.098 inches minimum and 0.103 inches maximum mounting hole diameter, plate nut style
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 1 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | KE |
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.Counterbore Diameter
0.254 inches minimum nut
Details
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.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
0.786 inches maximum
Details
A measurement of the longest dimension of the nut,in distinction from width.Nut Height
0.281 inches maximum
Details
None.Plate Thickness
0.040 inches nominal
Details
A measurement of the smallest dimension of a plate,in distinction from length or width.Plate Width
0.414 inches maximum
Details
A measurement taken at right angles to the length of a plate,in distinction from thickness.Nut Counterbore Depth
0.062 inches minimum nut
Details
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.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
0.276 inches minimum and 0.286 inches maximum
Details
None.Center To Center Distance Between Mounting Holes Along Length
0.560 inches minimum and 0.564 inches maximum
Details
A measurement of the center to center distance between the mounting holes along the length.Temp Rating
900.0 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.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
iron alloy 660 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
ams 5525 assn std single material response overall
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| MK1031-4 | 15653 | 3 | - | 3 | 2 | - | KE |
| MK1031-4 | 75237 | 3 | - | 5 | 9 | - | KE |
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
RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
CAGE: 77445
EAST HARTFORD
, CT
, 06118-3811
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-409-9551
What is the NIIN of the NSN 5310-00-409-9551?
The National Item Identification Number (NIIN) of the NSN 5310-00-409-9551 is 00-409-9551
When the NSN 5310-00-409-9551 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Nov 13, 1970
Does the NSN 5310-00-409-9551 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-409-9551 contain any hazardous material?
No data in HMIRS
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