5305-01-361-5353 SCREW,TAPPING Index 5310-01-361-5355 WASHER,FLAT

National Stock Number:
5310-01-361-5354

Federal Supply Class:
5310

National Item Identification Number:
013615354

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:
4M232V510630ANILLO INDUSTRIES LLC
4M232V512829PIONEER MACHINE PRODUCTS INC.
4M232V534336TECT HYPERVELOCITY, INC.
4M232V570265ALL POWER MANUFACTURING CO.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
OVERALL DIAMETER0.375 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-9046,TYPE3,COMP C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM


Click here to Register for Free 30-day Trial