Product Details | FLAT WASHER

5310-00-256-3430 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: 21001464631PC38, 2100-1464631PC38, 21001464632PC9, 2100-1464632PC9, 21003127769PC86, 2100-3127769PC86, 24X25, 3435A11PC23, 3435A4PC23 , 387511PC23, 387512PC23, 387513PC12, 387514PC12, 387514PC23, 394611PC23, 39461-1PC23, 394612PC23, 39461-2PC23, 394613PC12, 39461-3PC12, 394614PC12, 39461-4PC12, 394614PC23, 39461-4PC23, 533539PC23, 533540PC23, 533547PC23, 5642200936202PC23, 564-2200-936202PC23, 622712PC23, 62271-2PC23, 651711PC86, 65171-1PC86, 65173PC9, 651742PC38, 65174-2PC38, 5310-00-256-3430, 00-256-3430, 5310002563430, 002563430

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-256-3430

Drawings & Photos | NSN 5310-00-256-3430


Cross Reference | NSN 5310-00-256-3430

Part Number Cage Code Manufacturer
2100-1464631PC38 80064 NAVAL SHIP SYSTEMS COMMAND
2100-1464632PC9 80064 NAVAL SHIP SYSTEMS COMMAND
2100-3127769PC86 80064 NAVAL SHIP SYSTEMS COMMAND
24X25 62983 EATON AEROSPACE LLC
3435A11PC23 22888 FMC CORP
3435A11PC23 80212 BAE SYSTEMS LAND & ARMAMENTS L.P.
3435A4PC23 22888 FMC CORP
3435A4PC23 80212 BAE SYSTEMS LAND & ARMAMENTS L.P.
387511PC23 80064 NAVAL SHIP SYSTEMS COMMAND
387512PC23 80064 NAVAL SHIP SYSTEMS COMMAND
387513PC12 80064 NAVAL SHIP SYSTEMS COMMAND
387514PC12 80064 NAVAL SHIP SYSTEMS COMMAND
387514PC23 80064 NAVAL SHIP SYSTEMS COMMAND
39461-1PC23 62983 EATON AEROSPACE LLC
39461-2PC23 62983 EATON AEROSPACE LLC
39461-3PC12 62983 EATON AEROSPACE LLC
39461-4PC12 62983 EATON AEROSPACE LLC
39461-4PC23 62983 EATON AEROSPACE LLC
533539PC23 80064 NAVAL SHIP SYSTEMS COMMAND
533540PC23 80064 NAVAL SHIP SYSTEMS COMMAND
533547PC23 80064 NAVAL SHIP SYSTEMS COMMAND
564-2200-936202PC23 80064 NAVAL SHIP SYSTEMS COMMAND
62271-2PC23 62983 EATON AEROSPACE LLC
65171-1PC86 62983 EATON AEROSPACE LLC
65173PC9 62983 EATON AEROSPACE LLC
65174-2PC38 62983 EATON AEROSPACE LLC

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Technical Data | NSN 5310-00-256-3430

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.640 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 1.000 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.032 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-256-3430

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: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 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 5310-00-256-3430

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each