National Item Identification Number

01-337-9786
013379786
4730-01-337-9786
4730013379786

National Stock Number

Item Name

REDUCER,BOSS

Federal Supply Class

4730

Description

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes BUSHING (as modified).

Commercial and Government Entity Code (Supplier Data)

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81343

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Reference Numbers (Part Numbers)

AN893-11D
AS5172D0520L

Required Categories

MATERIAL
SURFACE TREATMENT
CONNECTION TYPE
CONNECTION STYLE
THREAD SERIES DE

Required Description

ALUMINUM ALLOY OVERALL
ANODIZE INSIDE
ANODIZE OUTSIDE
THREADED INTERNAL BOSS