5310-00-851-0913, WASHER,FLAT

National Stock Number:
5310-00-851-0913

Federal Supply Class:
5310

National Item Identification Number:
008510913

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:

10335589	A486G	NIMIKKEISTOKESKUS NCB FINLAND
5310PL0798013	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
NAS1149D0363H	10630	ANILLO INDUSTRIES LLC
NAS1149D0363H	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
AN960D10	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
5310PL1732473	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
NAS1149D0363H	AC910	AERTEKNO S.R.L.

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CRITICALITY CODE JUSTIFICATION	FEAT
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY SPECIAL TEST FEATURES
HOLE DIAMETER	0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM
OVERALL DIAMETER	0.433 INCHES MINIMUM AND 0.458 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SPECIAL FEATURES	W/S CRITICALITEM
SPECIAL TEST FEATURES	FLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 910894
THICKNESS	0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM

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