4820-00-141-3198 VALVE,CHECK Index 4720-00-141-3211 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
5310-00-141-3210

Federal Supply Class:
5310

National Item Identification Number:
001413210

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:
634519156MOOG INC
634579294E-SYSTEMS INC MONTEK DIV FLUID CONTROLS OPNS
634594697MOOG INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.076 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
OVERALL DIAMETER0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-354 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THICKNESS0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM


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