5310-14-250-4984, WASHER,FLAT

National Stock Number:
5310-14-250-4984

Federal Supply Class:
5310

National Item Identification Number:
142504984

Description:
WASHER,FLAT

Detail:
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.

Manufacturer Information:

11458	F0582	SUPERFLEXIT SA
23111DG050A	F0111	BUREAU NORMALISATION AERONAUTIQUEESPACE
L23111-50DGA	F0111	BUREAU NORMALISATION AERONAUTIQUEESPACE
L23111-50DGA	KCF40	ANIXTER LTD
MDS0060-050D	K0058	LEONARDO MW LTD
MDS0060-50D	K0058	LEONARDO MW LTD

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	5.25 MILLIMETERS MINIMUM AND 5.43 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	F0111 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
III HEAT TREATMENT	F-AS FABRICATED
III MINIMUM TENSILE STRENGTH	440 NEWTONS PER SQUARE MILLIMETER
III MINIMUM YIELD STRENGTH	270 NEWTONS PER SQUARE MILLIMETER
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	10.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NF L 09-753 CODE A NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OVERALL
THICKNESS	1.0 MILLIMETERS NOMINAL

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