5977-00-973-2909 BRUSH,ELECTRICAL CONTACT Index 4820-00-973-2925 VALVE,PLUG

National Stock Number:
5310-00-973-2923

Federal Supply Class:
5310

National Item Identification Number:
009732923

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:
A51B96518-1126512NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B96518-1161174NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B96518-1165777HOWE MACHINE & TOOL CORP.
A51B96518-1179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.820 INCHES NOMINAL
OVERALL DIAMETER1.310 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,ALLOY 2024,T81 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTOXIDE FILM OVERALL
THICKNESS0.032 INCHES NOMINAL


Click here to Register for Free 30-day Trial