8B712003-31

8B71200331 Fluid Flow Restrictor

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Datasheet. 8B712003-31 specification

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

3a

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

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.550in. 1st provision ⁓1/64"

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

any acceptable

Outside Diameter
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.

0.500in.

Length
A measurement of the longest dimension of any object,in distinction from width.

1.109in.

Thread Size Designator
Designates the thread diameter and number of threads per specific measurement scale.

1/8-27

Thread Size Designator
Designates the thread diameter and number of threads per specific measurement scale.

7/16-20

Thread Provision
An indication of whether a portion/s/ of the item is threaded or unthreaded.

threaded

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

C123B aircraft

Orifice Diameter
The length of a straight line which passes through the center of the orifice,and terminates at the circumference.

0.020in.

Design Type
Indicates the design type of the item.

tubular, hex shape

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

nptf

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

unjf

Hose/tube Size For Which Designed
Designates the size of hose or tube for which the item is designed.

1/4 in. od tube

Material
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.

aluminum alloy

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

aluminum alloy

Answers.

What material is the fluid flow restrictor made of ?

Aluminum alloy

What is the outside diameter?

0.500 inches

What is the thread length?

Any acceptable

What is the thread length?

0.550 inches 1st provision

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 8B712003-31?

4730-00-574-2397

What's the federal classification of 8B712003-31?

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 4730-00-574-2397 RESTRICTOR,FLUID FLOW

Used on c123b aircraft. 0.500" outside diameter any acceptable thread length right-hand 3a thread class

NIIN
005742397
NIIN Date
04/27/67
Schedule B
 
Name Code
18263
FIIG
T359-D
Item Weight
0.000lbs
Item Dimensions
--
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. 8B712003 Cage 89446

Major End Users Countries and entities

  • - Republic of Korea 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
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)
051400 PIPE FITTINGS ALUMINUM 
UFC (universal freight code)
29700 

Similar by Design Other restrictors with similar characteristics

Nothing similar to this part number was found in our inventory

8B712003-31 / Restrictor,fluid flowWhat is the formal definition of this item?

An item of solid one-piece construction, designed to restrict the flow of a fluid through it. it has an orifice of a smaller size than the diameter of flow into it. excludes items such as valve (1), (as modified); and others with an adjustable orifice. excludes pipe, tube, or hose fittings with restricted passages and items designed to test fluid flow. for items containing screens or filters, see restrictor unit, fluid flow.