5310-00-177-1144, WASHER,FLAT

National Stock Number:
5310-00-177-1144

Federal Supply Class:
5310

National Item Identification Number:
001771144

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:

10116625	A486G	NIMIKKEISTOKESKUS NCB FINLAND
NAS42DD6-2	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS42DD6-2FC	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM
OVERALL DIAMETER	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	WW-T-700/3 TEMPER T3 TY 1 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
SPECIAL FEATURES	ANODIZE DYED GRAY OXIDE FILM DYED BLUE
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 TY 1,CL 2 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 TY AND GRADE A/A,CL 1 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OR CHROMATE OVERALL
THICKNESS	0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM

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