Product Details | FLAT WASHER

5310-00-256-8034 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: CR57877PC37, CR57878PC37, CR70289PC258, CR70290PC258, CR79551PC36, CR79552PC36, CR84534PC36, CR84535PC36, CR85358PC294, CR88378PC43, CV31S8301336401PC36, CV31S8301-336401PC36, CVE105S8301270206PC36, CVE105S8301-270206PC36, CVE105S8301270207PC36, CVE105S8301-270207PC36, CVE120S8301269347PC43, CVE120-S8301-269347PC43, CVE120S8301-269347PC43, CVL48S1605477571PC294, CVL48S1605-477571PC294, 2241, 397675PC37, 397676PC37, 499047PC258, 499216PC258, 5310-00-256-8034, 00-256-8034, 5310002568034, 002568034

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-256-8034

Drawings & Photos | NSN 5310-00-256-8034


Cross Reference | NSN 5310-00-256-8034

Part Number Cage Code Manufacturer
2241 62983 EATON AEROSPACE LLC
397675PC37 80064 NAVAL SHIP SYSTEMS COMMAND
397676PC37 80064 NAVAL SHIP SYSTEMS COMMAND
499047PC258 80064 NAVAL SHIP SYSTEMS COMMAND
499216PC258 80064 NAVAL SHIP SYSTEMS COMMAND
CR57877PC37 62983 EATON AEROSPACE LLC
CR57878PC37 62983 EATON AEROSPACE LLC
CR70289PC258 62983 EATON AEROSPACE LLC
CR70290PC258 62983 EATON AEROSPACE LLC
CR79551PC36 62983 EATON AEROSPACE LLC
CR79552PC36 62983 EATON AEROSPACE LLC
CR84534PC36 62983 EATON AEROSPACE LLC
CR84535PC36 62983 EATON AEROSPACE LLC
CR85358PC294 62983 EATON AEROSPACE LLC
CR88378PC43 62983 EATON AEROSPACE LLC
CV31S8301-336401PC36 80064 NAVAL SHIP SYSTEMS COMMAND
CVE105S8301-270206PC36 80064 NAVAL SHIP SYSTEMS COMMAND
CVE105S8301-270207PC36 80064 NAVAL SHIP SYSTEMS COMMAND
CVE120-S8301-269347PC43 80063 US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS
CVE120S8301-269347PC43 80064 NAVAL SHIP SYSTEMS COMMAND
CVL48S1605-477571PC294 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 5310-00-256-8034

Characteristic Specifications
MATERIAL CORK OR RUBBER SYNTHETIC OVERALL
HOLE DIAMETER 1.344 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 2.125 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.344 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-256-8034

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 5310-00-256-8034

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each