4820-01-507-9352 DISK,VALVE Index 4720-01-507-9354 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
5310-01-507-9353

Federal Supply Class:
5310

National Item Identification Number:
015079353

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:
639496253711NAVAL SEA SYSTEMS COMMAND
6394962-1131442NORTHROP GRUMMAN SYSTEMS CORPORATION
6394962-1153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
OVERALL DIAMETER0.870 INCHES MINIMUM AND 0.895 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-9047, TI-6AL-4V ELI MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY UNS R56401 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION2488C ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THICKNESS0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM


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