5905-00-012-4453 RESISTOR,FIXED,WIRE WOUND Index 5905-00-012-4456 RESISTOR,VARIABLE,WIRE WOUND,NON

National Stock Number:
5310-00-012-4455

Federal Supply Class:
5310

National Item Identification Number:
000124455

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:
LD153-0002-120143999THE BOEING COMPANY
S8157B69-032A70210HONEYWELL INTERNATIONAL INC.
S8157C69-032A70210HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.149 INCHES MINIMUM AND 0.154 INCHES MAXIMUM
OVERALL DIAMETER0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 7075 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 FED SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OR CHROMATE OVERALL
THICKNESS0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM


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