Product Details | FINISHING WASHER

5310-00-490-1635 A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.

Part Alternates: C668A8, SI668A8, 5310-00-490-1635, 00-490-1635, 5310004901635, 004901635

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 26 SEP 1969 00-490-1635

Drawings & Photos | NSN 5310-00-490-1635


Cross Reference | NSN 5310-00-490-1635

Part Number Cage Code Manufacturer
C668A8 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
SI668A8 24434 SKYLINE INDUSTRIES, INC

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Technical Data | NSN 5310-00-490-1635

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR 27 FINISHING
HOLE DIAMETER 0.133 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
OUTSIDE DIAMETER 0.500 INCHES NOMINAL
OVERALL HEIGHT 0.048 INCHES MINIMUM AND 0.064 INCHES MAXIMUM
RECESS DIAMETER 0.280 INCHES MINIMUM AND 0.296 INCHES MAXIMUM
MATERIAL THICKNESS 0.016 INCHES NOMINAL
RECESS ANGLE 100.0 DEGREES NOMINAL
MANUFACTURERS CODE 24434
DESIGN CONTROL REFERENCE SI668A8

Restrictions/Controls & Freight Information | NSN 5310-00-490-1635

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:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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