SM3578

SM3578 Plain Knurled Nut

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Datasheet. SM3578 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2b

Thread Direction
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.

RIGHT-Hand

Nut Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.

knurled

Nut Diameter

0.625in.

Nut Thickness
A measurement between the opposite flat surfaces of the nut,in distinction from length or width.

0.484in. and 0.516in.

Hole Type And Quantity
Indicates the type and number of holes provided.

1 tapped

Thread Series
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

unf

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

32

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.190in. ⁓13/64"

Hole Thread Quantity Per Inch
The number of hole threads per linear inch measured on a line parallel to the thread axis.

32

Hole Configuration Style
The style designation that most nearly corresponds to the appearance of the hole configuration.

configuration j

Countersink Angle
The included angle of the countersink.

89.0 degrees nut and 91.0 degrees nut

Hole Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded hole,and terminates at the circumference.

0.138in.

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

aluminum alloy 2024 or aluminum alloy 2017

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-A-354 fed spec 1st material response or QQ-A-225/4 fed spec 2nd material response

Surface Treatment
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.

oxide film

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

MIL-C-5541 mil spec single treatment response

Answers.

What material is the plain knurled nut made of ?

Aluminum alloy 2024 or aluminum alloy 2017

What is the thread quantity per inch?

32

What is the thread direction?

Right-hand

What is the thread class?

2b

What is the NSN for SM3578?

5310-00-623-1684

How is this classified for shipping?

Schedule B number: 7616995095
nmfc 013540
Articles of aluminum nesoi

What's the federal classification of SM3578?

FSC 5310 ⁓ Nuts and washers

Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.

Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).

NSN 5310-00-623-1684 NUT,PLAIN,KNURLED

oxide film surface treated 32 thread quantity per inch right-hand 2b thread class

NIIN
006231684
NIIN Date
01/01/63
Schedule B
7616995095 
Name Code
15886
FIIG
A021A0
QUP
 
Historical Price
$2.05 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Spain 
  • - Greece 
  • - Turkey 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
70.0 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
013540 ALUM NUTS 
UFC (universal freight code)
05680 

Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

SM3578 / Nut,plain,knurledWhat is the formal definition of this item?

A nut, round in shape, having all or part of its outer surface knurled. it may have provisions for external wrenching. for items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. see also nut (1), plain, round. (when height or thickness, and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).