5310-00-186-4137 WASHER,FLAT Index 5330-00-186-4139 RETAINER,PACKING

National Stock Number:
5310-00-186-4138

Federal Supply Class:
5310

National Item Identification Number:
001864138

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:
1283-11291069SEARLE LEATHER AND PACKING CO
132902249PARKER HANNIFIN CORPORATION DBA GRESEN HYDRAULICS DIV HYDRAULIC VALVE DIVISION
2100-935085PC2080064NAVAL SHIP SYSTEMS COMMAND
2100-983082ALTBPC2080064NAVAL SHIP SYSTEMS COMMAND
2216LS-11297451HOUGHTON INTL INC
298S1006840BENDIX CORP THE
298S1055284HONEYWELL INTERNATIONAL INC.
551859124617GENERAL MOTORS CORP
551859176462DELCO MORAINE DIV OF GENERAL MOTORS CORP
563-2100-932546ALT1PC1680064NAVAL SHIP SYSTEMS COMMAND
AN6246-1081352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
AN6246-1088044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN6246PC1081350JOINT ARMY-NAVY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS35803-11296096AMERICAN CARBONIC ENGINEERING CO
X1-4100-1494483PC1480064NAVAL SHIP SYSTEMS COMMAND
XT36143PC1401359TRIUMPH THERMAL SYSTEMS - MARYLAND, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.508 INCHES NOMINAL
OVERALL DIAMETER0.688 INCHES NOMINAL
MATERIALLEATHER OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.062 INCHES NOMINAL


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