National Item Identification Number

01-181-1494

National Stock Number

Item Name

WASHER,FLAT

Federal Supply Class

5310

Description

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.

Commercial and Government Entity Code (Supplier Data)

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16712

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SIEMENS DEMAG DELAVAL TURBOMACHINERY
INC.
840 NOTTINGHAM WAY
TRENTON
NJ
08638
609-890-5473

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16712

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SIEMENS DEMAG DELAVAL TURBOMACHINERY
INC.
840 NOTTINGHAM WAY
TRENTON
NJ
08638
609-890-5473

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59180

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IMO INDUSTRIES INC.
DBA IMO PUMP DIVISION DIV IMO PUMP
1710 AIRPORT RD
MONROE
NC
28110
704-289-6511

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Reference Numbers (Part Numbers)

HC-586F/4810
S3223F
S3223F

Required Categories

Required Description