KFN542-3

KFN5423 Self-locking Assembled Washe Nut
Home » Catalog » Nuts & Washers (p. 2034) » Self-locking Assembled Washe Nuts (p. 6) » Part Number KFN542-3

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Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
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  •   Every product 100% inspected
AS9120 Certified by SAI Global

Datasheet. KFN542-3 specification

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

3b

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.

prevailing torque all metal design

Washer Outside Diameter

0.363in.

Counterbore Diameter
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.

0.223in. nut and 0.228in. nut

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

0.243in.

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

flat with turned up edge

Nut Counterbore Depth
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.

0.097in. nut

Width Across Flats
The shortest straight line between flats,perpendicular to the height.

0.243in. and 0.251in. ⁓17/64"

Temp Rating
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.

450.0 deg fahrenheit

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

unjf

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"

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.

rockwell c scale 40 min and rockwell c scale 45 max washer

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

steel comp 4140 nut or steel comp 4340 nut or steel comp 8740 nut

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

steel washer

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-5626 mil spec 1st material response nut or MIL-S-5000 mil spec 2nd material response nut or MIL-S-6049 mil spec 3rd material response nut

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.

cadmium and chromate

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-416, ty 2, CL2 fed spec all treatment responses

Answers.

What material is the self-locking assembled washe nut made of ?

Steel washer

What material is the self-locking assembled washe nut made of ?

Steel comp 4140 nut or steel comp 4340 nut or steel comp 8740 nut

What is the thread quantity per inch?

32

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for KFN542-3?

5310-01-057-0889

How is this classified for shipping?

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

What's the federal classification of KFN542-3?

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 5310-01-057-0889 NUT,SELF-LOCKING,ASSEMBLED WASHE

cadmium surface treated rockwell c scale 40 min 32 thread quantity per inch right-hand 3b thread class

NIIN
010570889
NIIN Date
03/06/78
Schedule B
7318160000 
Name Code
29736
FIIG
A021A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$1.50 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

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

1. BH00516A-3 Cage 27238
2. GHN10009-5 Cage 98897

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Air Force 
  • - U.s. Coast Guard 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Malaysia 
  • - Australia 
  • - Belgium 
  • - Canada 
  • - South Africa 
  • - New Zealand 
  • - Republic of Korea 
  • - United Kingdom 
  • - Netherlands 
  • - Italy 
  • - Denmark 
  • - Norway 
  • - Greece 
  • - Turkey 
  • - Nato Maintenance And Supply Agency 

Major End Items End use applications

  • - Adapter,test
  • - Panel,structural,aircraft
  • - Panel,structural,aircraft
  • - Panel,structural,aircraft
  • - Rib,stiffener,aircraft
  • - Rib,stiffener,aircraft
  • - Support,structural component,aircraft
  • - Trailing edge,aircraft
  • - Door,access,aircraft
  • - Trailing edge,aircraft
  • - Support,structural component,aircraft
  • - Restraint rail asse
  • - Radar set subassembly
  • - Restraint rail asse
  • - Rail restraint asse

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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

KFN542-3 / Nut,self-locking,assembled washeWhat is the formal definition of this item?

A nut on which has been assembled a nonremovable washer. an integral feature is incorporated for locking on the threads of a mating member.