National Item Identification Number

01-143-4574
011434574
4730-01-143-4574
4730011434574

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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Reference Numbers (Part Numbers)

MS21915J4-2

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
CONNECTION TY

Required Description

STEEL COMP 304 OVERALL
QQ-S-763,CL 304 FED SPEC SINGLE MATERIAL RESPONSE OVERAL