2670-57 ITEM 93

267057ITEM93 Tube Coupling Reducing Nut

Home » Catalog » Fittings (p. 1672) » Tube Coupling Reducing Nuts (p. 1) » Part Number 2670-57 ITEM 93

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Datasheet. 2670-57 ITEM 93 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 coupling

Nut Height

0.594in. ⁓19/32"

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

0.750in. ⁓3/4"

Smallest Inside Diameter
The smallest length of a straight line which passes through the center of the two surfaces of a circular item,and terminates at the inside circumference.

0.188in.

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.

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

0.438in. ⁓29/64"

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.

0.250in.

Seat Angle

45.0 degrees

Criticality Code Justification
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

zzzy

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.

for navy nuclear propulsion plant products only

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

copper alloy

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

81343-J513 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.

36a figure

Reference Number Differentiating Characteristics
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.

as differentiated by free from mercury contamination

Answers.

What quantity is this sold in?

1EA

What material is the tube coupling reducing nut made of ?

Copper alloy

What is the thread quantity per inch?

What is the thread direction?

Right-hand

What is the thread class?

What is the NSN for 2670-57 ITEM 93?

4730-01-176-6732

How is this classified for shipping?

Schedule B number: 7415290000
nmfc 093460
Copper screws, nuts, bolts, rivets, and other fasteners not threaded

What's the federal classification of 2670-57 ITEM 93?

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 4730-01-176-6732 NUT,TUBE COUPLING,REDUCING

for navy nuclear propulsion plant products only 20 thread quantity per inch right-hand 2b thread class

NIIN: 011766732
NIIN Date: 04/14/84
Schedule B: 7415290000
Name Code: 03860
FIIG: A021A0
Item Weight: 0.100lbs
Item Dimensions: --
QUP: 1
Historical Price: $7.43 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.	J513	Cage 81343
2.	503-4556027	Cage 43689
3.	6502977	Cage 43689
4.	845-2445071ITEM53	Cage 80064
5.	3-010168B/IRPOD/	Cage 81343

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): 70.0
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): Metal and metal products, nos, (less than 35 feet)
NMFC (national motor freight code): 093460 BOLTS/NUTS NOI BBC/ZINC
UFC (universal freight code): 48930

Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

2670-57 ITEM 93 / Nut,tube coupling,reducingWhat is the formal definition of this item?

A tube coupling nut with the shank end accommodating a smaller tube size than is accommodated by the tube fitting which connects to the threaded end.