MS51865-8

MS518658 Self-locking Cap Nut
Home » Catalog » Nuts & Washers (p. 1988) » Self-locking Cap Nuts (p. 5) » Part Number MS51865-8

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Datasheet. MS51865-8 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

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 or prevailing torque with nonmetallic insert

Lubrication
A substance designed to provide a reduction of friction between the two surfaces in contact.

dry film lubricant

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

cap

Nut Height

0.470in. ⁓31/64"

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

0.428in. and 0.437in. ⁓7/16"

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

250.0 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.

unf

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

28

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

28.0 rockwell c

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

0.250in. ⁓1/4"

Bearing Surface Type
Indicates the type of bearing surface.

chamfered

Bearing Surface Finish
Designates the specific roughness rating of the bearing surface,representing the arithmetic average deviation of the surface from the meanline in profile.

110.0 microinches

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

plastic polyamide locking insert

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

steel comp 1005 nut or steel comp 1006 nut or steel comp 1008 nut or steel comp 1009 nut or steel comp 1010 nut or steel comp 1011 nut or steel comp 1012 nut or steel comp 1013 nut or steel comp 1015 nut or steel comp 1016 nut or steel comp 1017 nut or steel comp 1018 nut or steel comp 1019 nut or steel comp 1020 nut or steel comp 1021 nut or steel comp 1022 nut or steel comp 1023 nut or steel comp 1524 nut or steel comp 1025 nut or steel comp 1026 nut or steel comp 1527 nut or steel comp 1029 nut or steel comp 1030 nut or steel comp 1033 nut or steel comp 1034 nut or steel comp 1035 nut or steel comp 1536 nut or steel comp 1037 nut or steel comp 1038 nut or steel comp 1039 nut or steel comp 1040 nut or steel comp 1541 nut

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.

sae assn std all material responses 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 except insert and chromate except insert

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, cl 3 fed spec all treatment responses except insert

Answers.

What quantity is this sold in?

1EA

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

Steel comp 1005 nut or steel comp 1006 nut or steel comp 1008 nut or steel comp 1009 nut or steel comp 1010 nut or steel comp 1011 nut or steel comp 1012 nut or steel comp 1013 nut or steel comp 1015 nut or steel comp 1016 nut or steel comp 1017 nut or steel comp 1018 nut or steel comp 1019 nut or steel comp 1020 nut or steel comp 1021 nut or steel comp 1022 nut or steel comp 1023 nut or steel comp 1524 nut or steel comp 1025 nut or steel comp 1026 nut or steel comp 1527 nut or steel comp 1029 nut or steel comp 1030 nut or steel comp 1033 nut or steel comp 1034 nut or steel comp 1035 nut or steel comp 1536 nut or steel comp 1037 nut or steel comp 1038 nut or steel comp 1039 nut or steel comp 1040 nut or steel comp 1541 nut

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

Plastic polyamide locking insert

What is the thread quantity per inch?

28

What is the thread direction?

Right-hand

What is the thread class?

2b

What is the NSN for MS51865-8?

5310-01-075-2530

How is this classified for shipping?

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

What's the federal classification of MS51865-8?

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 5310-01-075-2530 NUT,SELF-LOCKING,CAP

cadmium except insert surface treated 28 thread quantity per inch right-hand 2b thread class

NIIN
010752530
NIIN Date
04/17/79
Schedule B
7318160000 
Name Code
05275
FIIG
A021A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
1 
Historical Price
$10.15 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

  • - Department of The Army 
  • - Department of The Air Force 
  • - Department of The Navy 
  • - Poland 
  • - Singapore 
  • - Australia 
  • - Belgium 
  • - Canada 
  • - New Zealand 
  • - Italy 
  • - Greece 

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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

MS51865-8 / Nut,self-locking,capWhat is the formal definition of this item?

A nut internally threaded from one end, and completely enclosed on the opposite end. the outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, dodecagonal or the like and taper to a cone or dome shape on the closed end. an integral feature is incorporated for locking on the threads of a mating memeber. excludes nut (1), stamped.