National Item Identification Number

00-240-7303
002407303
5220-00-240-7303
5220002407303

National Stock Number

Item Name

PLATE,SURFACE

Federal Supply Class

5220

Description

A rectangular or square precision tool having a flat working surface(s) of specific flatness. It is used as a datum plane in connection with various layout, inspection, and calibration operations. It may also be used as a lapping plate, but is not grooved. See also BLOCK, LAPPING; PLATE, DUPLEX, SURFACE AND LAPPING; and PLATE, LAPPING.

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

S3B4

Required Categories

MATERIAL
WORKING SURFACE QUANTITY
SURFACE LENGTH
SURFACE WIDTH
NONDEFINITIVE

Required Description

IRON, CAST
1
4.000 INCHES NOMINAL
3.500 INCHES NOMINAL
1 TYPE AND
B GRADE