National Item Identification Number

01-520-4420
015204420
4820-01-520-4420
4820-01-520-4420

National Stock Number

Item Name

DIAPHRAGM,VALVE,FLAT

Federal Supply Class

4820

Description

An item in the form of one or more thin flexible sheets normally designed to form a tight seal between chambers of a valve, and to transmit motion to a valve disk either directly or through a mechanical linkage. The surface of the item(s) may not be formed or molded to have a beaded or rolled edge, ribs, or any other raised surfaces. The item may contain bolt holes and/or a center hole. Excludes DIAPHRAGM, VALVE, SPECIAL SHAPED and GASKET.

Commercial and Government Entity Code (Supplier Data)

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04577

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04577

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Reference Numbers (Part Numbers)

B16511-3 ITEM 4
B43813-1

Required Categories

MATERIAL
MEDIA FOR WHICH DESIGNED
III END ITEM IDENTIFICATION

Required Description

RUBBER, CHLOROPRENE
REFRIGERANT OR
LUBRICATING GREASE
4820-01-520-4351 SAFETY