5310-00-145-1857 WASHER,RECESSED Index 5320-00-145-1864 RIVET,BLIND

National Stock Number:
5310-00-145-1859

Federal Supply Class:
5310

National Item Identification Number:
001451859

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:
1242306-556232LOCKHEED MARTIN CORPORATION
S8154-152C02059364HONEYWELL INTERNATIONAL INC.
S8154-152C02070210HONEYWELL INTERNATIONAL INC.
S8154-152C02099193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.396 INCHES MINIMUM AND 0.408 INCHES MAXIMUM
OVERALL DIAMETER0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059,COND 1/4 HARD MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059,COND 1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059,COND H MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059,COND 1/4 HARD MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIFICATION/STANDARD DATA70210-S8154 MANUFACTURERS STANDARD
THICKNESS0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM


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