523918-1

5239181 Self-locking Barrel Nut

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Quality Commitment

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Datasheet. 523918-1 specification

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

26.0 rockwell c and 32.0 rockwell c

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

described as retainer eye, swiveltype coupling

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

steel comp 4130

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.

MIL-S-6758 mil spec single material response

Answers.

What material is the self-locking barrel nut made of ?

Steel comp 4130

What is the NSN for 523918-1?

5310-01-384-9727

How is this classified for shipping?

Schedule B number: 7318160000
nmfc 139820
Nuts of iron or steel

What's the federal classification of 523918-1?

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 5310-01-384-9727 NUT,SELF-LOCKING,BARREL

described as retainer eye, swiveltype coupling

NIIN
013849727
NIIN Date
12/30/93
Schedule B
7318160000 
Name Code
15891
FIIG
A021A0
QUP
 
Historical Price
$13,322.73 EA
DEMIL / ITAR
USML/ITAR controlled item (Code: B)
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

  • - Department of The Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
85.0 
LCL (less than a car load rating)
85.0
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)
139820 NICKEL BOLTS/NAILS/NUTS/RIVETS ETC 
UFC (universal freight code)
70220 

Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

523918-1 / Nut,self-locking,barrelWhat is the formal definition of this item?

A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. ends may be flat or flanged. an integral feature is incorporated for locking on the threads of a mating member. excludes nut (1), self-locking, round.