Product Details | FLAT WASHER

5310-00-256-0945 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: SS813NA1PCD3, 35056PCD3, 390452PCD3, 42030PCD3, 42051PCD3, 490604PCD3, 490959CSPCD3, 490959PCD3, 5310-00-256-0945, 00-256-0945, 5310002560945, 002560945

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-256-0945

Drawings & Photos | NSN 5310-00-256-0945


Cross Reference | NSN 5310-00-256-0945

Part Number Cage Code Manufacturer
35056PCD3 81316 PORTSMOUTH NAVAL SHIPYARD
390452PCD3 80064 NAVAL SHIP SYSTEMS COMMAND
42030PCD3 81316 PORTSMOUTH NAVAL SHIPYARD
42051PCD3 81316 PORTSMOUTH NAVAL SHIPYARD
490604PCD3 80064 NAVAL SHIP SYSTEMS COMMAND
490959CSPCD3 80064 NAVAL SHIP SYSTEMS COMMAND
490959PCD3 80064 NAVAL SHIP SYSTEMS COMMAND
SS813NA1PCD3 14921 CRAMP SHIPBUILDING AND DRYDOCK CO

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Technical Data | NSN 5310-00-256-0945

Characteristic Specifications
MATERIAL CELLULOSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION HH-P-91,GR BH,CANCELLED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.875 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 2.375 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.062 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-256-0945

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 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 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

Management | NSN 5310-00-256-0945

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each