4820-01-540-0963 STEM,FLUID VALVE Index 4820-01-540-0965 VALVE,SAFETY RELIEF

National Stock Number:
5310-01-540-0964

Federal Supply Class:
5310

National Item Identification Number:
015400964

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:
0.875ODX0.337IDX0.063 CRES53711NAVAL SEA SYSTEMS COMMAND
709-5343924 ITEM 08753711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
HOLE DIAMETER0.337 INCHES NOMINAL
OVERALL DIAMETER0.875 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SPECIAL FEATURESDOCUMENT OR DRAWING NO. FF-W-92 TY A GR1
THICKNESS0.063 INCHES NOMINAL


Click here to Register for Free 30-day Trial