Round Plain Nut
65370-04140-102
(NSN) National Stock Number
5310-00-220-2521
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
15887
Schedule B Code
7318160000
Summary
3b thread class, right-hand thread direction, 1.656 inches nominal small end diameter, 0.187 inches nominal drive point depth, round nut style, 1.906 inches nominal nut diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | KE |
Identification
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 15887 | 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.Small End Diameter
1.656 inches nominal
Details
The length of a straight line which passes through the center of the small end,and terminates at the circumference.Drive Point Depth
0.187 inches nominal
Details
None.Nut Style
round
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.Nut Diameter
1.906 inches nominal
Details
None.Nut Thickness
0.312 inches nominal
Details
A measurement between the opposite flat surfaces of the nut,in distinction from length or width.Drive Point Width
0.188 inches nominal
Details
None.Undercut Thickness
0.125 inches nominal
Details
None.Drive Point Quantity
8
Details
None.Drilled Hole Diameter
0.094 inches nominal
Details
The length of a straight line which passes through the center of a drilled hole,and terminates at the circumference.Hole Type And Quantity
8 drilled
Details
Indicates the type and number of holes provided.Thread Series
unef
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
18
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Hardness Rating
26.0 rockwell c minimum and 33.0 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
1.375 inches
Details
A designation that is used for the purpose of general identification of the thread.Hole Configuration Style
configuration f
Details
The style designation that most nearly corresponds to the appearance of the hole configuration.Countersink Angle
90.0 degrees nominal nut
Details
The included angle of the countersink.Material
steel comp 4130 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
mil-s-6758 mil spec 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.Surface Treatment
phosphate 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
ss8416 fscm 78286 mfr ref 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.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 |
Certified Supplier
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Manufacturer
SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP
CAGE: 78286
STRATFORD
, CT
, 06614-1378
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-220-2521
What is the NIIN of the NSN 5310-00-220-2521?
The National Item Identification Number (NIIN) of the NSN 5310-00-220-2521 is 00-220-2521
When the NSN 5310-00-220-2521 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Fri, Feb 7, 1969
Does the NSN 5310-00-220-2521 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-220-2521 contain any hazardous material?
No data in HMIRS
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