National Item Identification Number

01-122-0957

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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1CJ86

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BOSSARD INTL INC
115 HERITAGE AVE
PORTSMOUTH
NH
03801
603-433-6551

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15526

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METRIC AND MULTISTANDARD
COMPONENTS CORP
120 OLD SAW MILL RIVER RD
HAWTHORNE
NY
10532
914-769-5020

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15526

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METRIC AND MULTISTANDARD
COMPONENTS CORP
120 OLD SAW MILL RIVER RD
HAWTHORNE
NY
10532
914-769-5020

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A0106

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ISOTTA FRASCHINI MOTORI SPA
VIALE FRANCESCO DE BLASIO
ZONA INDUSTRIALE
BARI
70123
ITALY
0039080/5345252

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A0106

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ISOTTA FRASCHINI MOTORI SPA
VIALE FRANCESCO DE BLASIO
ZONA INDUSTRIALE
BARI
70123
ITALY
0039080/5345252

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Reference Numbers (Part Numbers)

BN 720 M12
125-A2
125ST-M12
322123F91 FIG.28
322185F01

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE

Required Description

STEEL COMP 304 OVERALL
AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
13.0 MIL