5310-00-185-0778, WASHER,FLAT

National Stock Number:
5310-00-185-0778

Federal Supply Class:
5310

National Item Identification Number:
001850778

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:

325380PC6	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
FFW92TYPEAGRADE2CLASSD	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY OD
DEPARTURE FROM CITED DOCUMENT	AS MODIFIED BY MATL SPEC
HOLE DIAMETER	0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM
OVERALL DIAMETER	1.2965 INCHES MINIMUM AND 1.3285 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
NONDEFINITIVE SPEC/STD DATA	A TYPE AND 2 GRADE AND D CLASS
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OVERALL
THICKNESS	0.058 INCHES MINIMUM AND 0.070 INCHES MAXIMUM

Click here to Register for Free 30-day Trial