5340-00-936-0418 CLAMP,LOOP Index 5305-00-936-0427 SCREW,SHOULDER

National Stock Number:
5310-00-936-0422

Federal Supply Class:
5310

National Item Identification Number:
009360422

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:
5472791RRL5NIELSEN HARDWARE CORPORATION
54727934830ROGERSON KRATOS
54727977445RTX CORPORATION
54727998003NIELSEN HARDWARE CORP
547279JA269TOKYO JUDOI KOGYO K.K.
547279S0554TOKYO JUDOGI KOGYO CO.


Techincal Specification:
MATERIALSTEEL COMP 4130 OR
STEEL COMP 8630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD 1ST MATERIAL RESPONSE OR
AMS 6350 ASSN STD 1ST MATERIAL RESPONSE AND
66 FED STD 2ND MATERIAL RESPONSE OR
AMS 6355 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.276 INCHES MINIMUM AND
0.286 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.428 INCHES MINIMUM AND
0.448 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.035 INCHES MINIMUM AND
0.045 INCHES MAXIMUM
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM
SURFACE FINISH63.0 MICROINCHES TOP
63.0 MICROINCHES BOTTOM
HEAT TREATMENTAS FABRICATED
THE MANUFACTURERS DATA
MANUFACTURERS CODE77445
DESIGN CONTROL REFERENCE547279


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