Product Details | RECESSED WASHER

5310-00-209-2702 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Part Alternates: W6581, 5310-00-209-2702, 00-209-2702, 5310002092702, 002092702

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-209-2702

Drawings & Photos | NSN 5310-00-209-2702


Cross Reference | NSN 5310-00-209-2702

Part Number Cage Code Manufacturer
W6581 70255 EMERSON ELECTRIC CO ALCO CONTROLS DIV

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Technical Data | NSN 5310-00-209-2702

Characteristic Specifications
MATERIAL STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
STYLE DESIGNATOR 15 RECESS
HOLE DIAMETER 0.126 INCHES MINIMUM AND 0.129 INCHES MAXIMUM
OUTSIDE DIAMETER 0.278 INCHES MINIMUM AND 0.284 INCHES MAXIMUM
RECESS DIAMETER 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
RECESS DEPTH 0.003 INCHES MINIMUM AND 0.013 INCHES MAXIMUM
MATERIAL THICKNESS 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM
RECESS ANGLE 90.0 DEGREES NOMINAL
MANUFACTURERS CODE 70255
DESIGN CONTROL REFERENCE W6581

Restrictions/Controls & Freight Information | NSN 5310-00-209-2702

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating U 50
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable