5310-01-057-2978 WASHER,LOCK Index 5310-01-057-2980 WASHER,SPRING TENSION

National Stock Number:
5310-01-057-2979

Federal Supply Class:
5310

National Item Identification Number:
010572979

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:
STD1547-26-1203950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
STD1547-26-1205457BRITISH AEROSPACE NORTH AMERICA INC
STD1547-26-12K0289BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES
STD1547-26-12K1987BAE SYSTEMS PLC
STD1547-26-12U9143BAE SYSTEMS (OPERATIONS) LIMITED


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.192 INCHES NOMINAL
OVERALL DIAMETER0.515 INCHES NOMINAL
MATERIALALUMINUM ALLOY OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEDEE
WIDTH0.531 INCHES NOMINAL
THICKNESS0.107 INCHES NOMINAL


Click here to Register for Free 30-day Trial