Product Details | FLAT WASHER

5310-01-045-8901 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: 4M11603003, 4M116-03003, 5310-01-045-8901, 01-045-8901, 5310010458901, 010458901

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 09 AUG 1977 01-045-8901

Drawings & Photos | NSN 5310-01-045-8901


Cross Reference | NSN 5310-01-045-8901

Part Number Cage Code Manufacturer
4M116-03003 76301 BOEING COMPANY, THE DBA BOEING
4M116-03003 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5310-01-045-8901

Characteristic Specifications
MATERIAL SILICON ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ZZ-R-765,CLASS 3B,GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.027 INCHES MINIMUM AND 0.039 INCHES MAXIMUM
MANUFACTURERS CODE 81205
DESIGN CONTROL REFERENCE 4M116-03003

Restrictions/Controls & Freight Information | NSN 5310-01-045-8901

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code SU Ogden Air Logistics Center
Hill AFB, UT 84056-5609
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