11438540

11438540 Self-locking Round Nut

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Datasheet. 11438540 specification

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

2a

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

Locking Feature
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

any acceptable

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

round

Nut Diameter

2.177in.

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

0.250in.

Drive Point Quantity

8

Drive Point Diameter

0.161in.

Drilled Hole Diameter
The length of a straight line which passes through the center of a drilled hole,and terminates at the circumference.

0.161in.

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

8 drilled

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

uns

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

20

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

2.250in. ⁓2-1/4"

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.

item has two holes 0.1266-0.1260 in deep; holes are located on outer diaof the nut equally spaced apart

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

steel

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.

-1L-S-7720 mil spec single 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.

passivate

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.

QQ-P-35 fed spec single treatment response

Answers.

What quantity is this sold in?

1EA

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

Steel

What is the thread quantity per inch?

20

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 11438540?

5310-01-214-8410

How is this classified for shipping?

Schedule B number: 7318160000
nmfc 093486
Nuts of iron or steel

What's the federal classification of 11438540?

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 5310-01-214-8410 NUT,SELF-LOCKING,ROUND

passivate surface treated item has two holes 0.1266-0.1260 in deep; holes are located on outer diaof the nut equally spaced apart 20 thread quantity per inch right-hand 2a thread class

NIIN
012148410
NIIN Date
08/16/85
Schedule B
7318160000 
Name Code
15895
FIIG
A021A0
QUP
Historical Price
$36.33 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

Other Part Numbers Parts with same form, fit, and function by other manufacturers

Major End Users Countries and entities

  • - Department of The Army 
  • - Germany 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
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)
Bolts or nuts (iron or steel),(less than 35 feet) 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

11438540 / Nut,self-locking,roundWhat is the formal definition of this item?

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. an integral feature is incorporated for locking on the threads of a mating member. do not use if a more specific item name applies. excludes collar, pin-rivet, threaded; insert, screw thread; nut (1), sleeve; nut(1), plain, cap; and turnbuckle body.