5310-99-253-0738 NUT,PLAIN,PLATE Index 5310-12-189-4560 NUT,PLAIN,OCTAGON

National Stock Number:
5310-99-714-9850

Federal Supply Class:
5310

National Item Identification Number:
997149850

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:
0MBEU627SVD1131AUTOFLUG GMBH DBA AUTOFLUG SICHERHEITSGERATE
0MBEU627SVU1604MARTIN-BAKER AIRCRAFT COMPANY LIMITED
10177525A486GNIMIKKEISTOKESKUS NCB FINLAND
MBEU627SVD1131AUTOFLUG GMBH DBA AUTOFLUG SICHERHEITSGERATE
MBEU627SVF0754SAFRAN MARTIN-BAKER FRANCE
MBEU627SVU1604MARTIN-BAKER AIRCRAFT COMPANY LIMITED


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
MATERIALSTEEL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.500 INCHES NOMINAL
THICKNESS0.064 INCHES NOMINAL


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