National Item Identification Number

01-257-1644
012571644
4730-01-257-1644
4730012571644

National Stock Number

Item Name

RESTRICTOR,FLUID FLOW

Federal Supply Class

4730

Description

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.

Commercial and Government Entity Code (Supplier Data)

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53711

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Reference Numbers (Part Numbers)

5367438

Required Categories

MATERIAL
DESIGN TYPE
THREAD PROVISION
THREAD SIZE DESIGNATOR
THREAD SERIES;

Required Description

BRASS
TUBULAR
THREADED
1/2-28
UNEF
3B
0.656 INCHES MINIMUM
RIGHT-HAND
0.