5310-01-352-9573, WASHER,FLAT

National Stock Number:
5310-01-352-9573

Federal Supply Class:
5310

National Item Identification Number:
013529573

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:

10122234	A486G	NIMIKKEISTOKESKUS NCB FINLAND
5310PL0940491	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
FS90-0802909	K2429	AMSAFE BRIDPORT LTD
NAS1149C0316R	3G1W3	BOEING DISTRIBUTION SERVICES DEFENSE LLC
NAS1149C0316R	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1149C0316R	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NAS1149C0316R	A0126	LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CRITICALITY CODE JUSTIFICATION	FEAT
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM
OVERALL DIAMETER	0.433 INCHES MINIMUM AND 0.458 INCHES MAXIMUM
MATERIAL	STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SPECIAL FEATURES	THE ITEM IS A FLIGHT SAFETY CRITICAL AIRCRAFT PART (FSCAP).
SPECIFICATION/STANDARD DATA	80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THICKNESS	0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM

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