5310-01-334-3642 WASHER,FLAT Index 5310-01-334-3644 WASHER,FLAT

National Stock Number:
5310-01-334-3643

Federal Supply Class:
5310

National Item Identification Number:
013343643

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:
03A280-71W025NORTHROP GRUMMAN SYSTEMS CORP
AS32990-710630ANILLO INDUSTRIES LLC
MM891-758009MOELLER MANUFACTURING & SUPPLY, LLC
NS202859-780539SPS TECHNOLOGIES, LLC
VN948YNP792215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.439 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
OVERALL DIAMETER0.807 INCHES MINIMUM AND 0.817 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5596 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5597 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 718 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM


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