5330-00-458-8652 GASKET Index 5305-00-458-8656 SCREW,SHOULDER

National Stock Number:
5310-00-458-8655

Federal Supply Class:
5310

National Item Identification Number:
004588655

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:
200727417772AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC
LS1588C1017772AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC
LS1588C1028548FABRICATION SPECIALTY INC
LS1588C1098897LOCKHEED MARTIN CORP


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HEAT TREATMENTAS FABRICATED
HOLE DIAMETER1.062 INCHES MINIMUM AND 1.082 INCHES MAXIMUM
OVERALL DIAMETER1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.060 INCHES MINIMUM AND 0.068 INCHES MAXIMUM


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