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Datasheet. 540423-4 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2b
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
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.280in. ⁓9/32"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.275in.
A measurement of the longest dimension of any object,in distinction from width.
2.500in.
Designates the thread diameter and number of threads per specific measurement scale.
no. 6 (0.138) in. - 32
An indication of whether a portion/s/ of the item is threaded or unthreaded.
threaded
The length of a straight line which passes through the center of the orifice,and terminates at the circumference.
0.075in.
Indicates the design type of the item.
tubular
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
nc
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.
aluminum
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.
fuel system, engine, aircraft
Answers.
Aluminum
0.275 inches
0.280 inches
Right-hand
2b
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 4730-00-618-8333 RESTRICTOR,FLUID FLOW
0.275" outside diameter 0.280" thread length right-hand 2b thread class
- NIIN
- 006188333
- NIIN Date
- 01/01/63
- Schedule B
- Name Code
- 18263
- FIIG
- T359-D
- 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
Major End Users Countries and entities
- - Italy
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540423-4 / 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.
