3120-01-426-1550 BUSHING,SLEEVE Index 6210-01-426-1553 FILTER,LIGHT,NVIS

National Stock Number:
5310-01-426-1551

Federal Supply Class:
5310

National Item Identification Number:
014261551

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:
2870860-196214RAYTHEON COMPANY


Techincal Specification:
MATERIALSTEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND D MIL STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTZINC AND
NICKEL OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER3.560 INCHES NOMINAL
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND
28.0 ROCKWELL C MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE96214
DESIGN CONTROL REFERENCE2870860-1


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