Product Details | FLAT WASHER

5310-00-433-5510 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.

Part Alternates: 294961, 2949-61, 5310-00-433-5510, 00-433-5510, 5310004335510, 004335510

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 12 FEB 1972 00-433-5510

Drawings & Photos | NSN 5310-00-433-5510


Demand History | NSN 5310-00-433-5510

Part Number Request Date QTY Origin
2949-61 2010-11-333 1
294961 2010-09-250 1 United States
294961 2010-07-203 1 United States
294961 2010-07-203 1 United States

Cross Reference | NSN 5310-00-433-5510

Part Number Cage Code Manufacturer
2949-61 90166 EATON AEROSPACE LLC DBA USE CAGE CODE 62983 FOR

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Technical Data | NSN 5310-00-433-5510

Characteristic Specifications
MATERIAL STEEL COMP 1045 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CHROMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-C-320,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
HOLE DIAMETER 3.255 INCHES MINIMUM AND 3.257 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 5.240 INCHES MINIMUM AND 5.250 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES ALL SURFACES
SPECIAL FEATURES CHAMFER BOTH OD EDGES 0.031 X 45 DEG
III HEAT TREATMENT QUENCHED AND TEMPERED
MANUFACTURERS CODE 90166
DESIGN CONTROL REFERENCE 2949-61

Restrictions/Controls & Freight Information | NSN 5310-00-433-5510

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 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating S 60
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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