MS51860-51

MS5186051 Tube Fitting Locknut

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Datasheet. MS51860-51 specification

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

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

Fabrication Method
The process used in manufacturing the item.

machined

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

tube fitting locknut

Nut Height

0.219in. ⁓7/32"

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

0.562in. ⁓9/16"

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

unf

Packing Recess Diameter
The length of a straight line which passes through the center of the packing recess,and terminates at the circumference.

0.438in.

Packing Recess Depth
A measurement between specified points on the packing recess,in distinction from height.

0.317in.

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

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

0.312in. ⁓5/16"

Nominal Tube Outside Diameter
The nominal length of a straight line which passes through the center of a tube,and terminates at the outside circumference.

0.125in.

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

steel

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.

J514 assn std single treatment response

Specification/standard Data
The document designator of the specification or standard which established the item of supply.

96906-MS51860 government standard and 81343-J514 professional/industrial association standard

Nondefinitive Spec/std Data
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.

25b figure

Answers.

What quantity is this sold in?

1EA

What material is the tube fitting locknut made of ?

Steel

What is the thread quantity per inch?

What is the thread direction?

Right-hand

What is the thread class?

What is the NSN for MS51860-51?

4730-01-322-4716

What's the federal classification of MS51860-51?

FSC 4730 ⁓ Hose, pipe, tube, lubrication, and railing fittings

Excluding air conditioning-heating fittings (fsc 4520); bituminized fiber and concrete fittings (fsc 5630); conduit boxes and fittings (fsc 5975); downspout fittings (fsc 5670); medical and surgical fittings (fsc 6515); laboratory fittings (fsc 6640); post caps and rail ends (fsc 5660); machine thread bushings and plugs (fsc 5365).

NSN 4730-01-322-4716 LOCKNUT,TUBE FITTING

24 thread quantity per inch right-hand 2b thread class

NIIN: 013224716
NIIN Date: 07/07/90
Schedule B
Name Code: 17645
FIIG: A021A0
Item Weight: 0.000lbs
Item Dimensions: --
QUP: 1
Historical Price: $7.33 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

1.	2WLN-S	Cage 30780
2.	2 080118C	Cage 81343
3.	J514	Cage 81343
4.	2WLN-S	Cage 98441
5.	2WLN-S	Cage 30780
6.	2 080118C	Cage 81343
7.	J514	Cage 81343
8.	2WLN-S	Cage 98441
9.	2WLN-S	Cage 30780
10.	2 080118C	Cage 81343
11.	J514	Cage 81343
12.	2WLN-S	Cage 98441

Major End Users Countries and entities

- Department of The Army
- Brazil

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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): Plumbing supplies
NMFC (national motor freight code): 051420 CONDUITS,O/T EARTHEN:PIPE FITTINGS
UFC (universal freight code): 29090

Similar by Design Other locknuts with similar characteristics

Nothing similar to this part number was found in our inventory

MS51860-51 / Locknut,tube fittingWhat is the formal definition of this item?

An item with internal machine threads designed to fit the external machine threads of a tube fitting. it has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. the item, when installed, provides a method of locking and sealing the connection. see also locknut, pipe; nut (1), tube coupling and nut (1), plain, hexagon.