5310-01-423-0898, WASHER,FLAT

National Stock Number:
5310-01-423-0898

Federal Supply Class:
5310

National Item Identification Number:
014230898

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:

5310PL0840248	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
6961956 FIND 76	53711	NAVAL SEA SYSTEMS COMMAND
MS15795-810	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
FF-W-92	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS15795-810	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS15795-810 CRE S 304 ONLY	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH
PL2058F84-FIND/ITEM NO-092	04804	NORTHROP GRUMMAN SYSTEMS CORPORATION
PL22-38963-FIND/ITEM NO-092	81412	TREADWELL CORPORATION (DELAWARE)

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY MATERIAL
HOLE DIAMETER	0.276 INCHES MINIMUM AND 0.296 INCHES MAXIMUM
OVERALL DIAMETER	0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
MATERIAL	STEEL COMP 304 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SPECIAL FEATURES	WASHER MADE FROM MATERIAL COMP 304 ONLY.
SURFACE TREATMENT	PASSIVATE OVERALL
THICKNESS	0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM

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