Product Details | FLAT WASHER

5310-00-231-4252 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: 1761381PC71, 1761-381PC71, 1762381PC71, 1762-381PC71, 1770381PC71, 1770-381PC71, 2065112PCX4, 2065-112PCX4, 25950PCX4, 375910PCX4, 389886PC110, 480170364ALTP2PC71, 4801-70364ALTP2PC71, 480170365PC71, 4801-70365PC71, 480170373ALTP1PC71, 4801-70373ALTP1PC71, 7503PC110, 7504PC110, 8403PC71, 8404PC71, 8412PC71, 5310-00-231-4252, 00-231-4252, 5310002314252, 002314252

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-231-4252

Drawings & Photos | NSN 5310-00-231-4252


Cross Reference | NSN 5310-00-231-4252

Part Number Cage Code Manufacturer
1761-381PC71 81316 PORTSMOUTH NAVAL SHIPYARD
1762-381PC71 81316 PORTSMOUTH NAVAL SHIPYARD
1770-381PC71 81316 PORTSMOUTH NAVAL SHIPYARD
2065-112PCX4 96169 ELECTRIC BOAT CORPORATION
25950PCX4 81316 PORTSMOUTH NAVAL SHIPYARD
375910PCX4 80064 NAVAL SHIP SYSTEMS COMMAND
389886PC110 80064 NAVAL SHIP SYSTEMS COMMAND
4801-70364ALTP2PC71 80064 NAVAL SHIP SYSTEMS COMMAND
4801-70365PC71 80064 NAVAL SHIP SYSTEMS COMMAND
4801-70373ALTP1PC71 80064 NAVAL SHIP SYSTEMS COMMAND
7503PC110 24047 COOPER INDUSTRIES INC DBA COOPER TOOLS
7503PC110 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
7504PC110 24047 COOPER INDUSTRIES INC DBA COOPER TOOLS
7504PC110 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
8403PC71 24047 COOPER INDUSTRIES INC DBA COOPER TOOLS
8403PC71 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
8404PC71 24047 COOPER INDUSTRIES INC DBA COOPER TOOLS
8404PC71 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
8412PC71 24047 COOPER INDUSTRIES INC DBA COOPER TOOLS
8412PC71 6X081 COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV

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Technical Data | NSN 5310-00-231-4252

Characteristic Specifications
MATERIAL CELLULOSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-P-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.562 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 0.062 INCHES NOMINAL
III MINIMUM TENSILE STRENGTH 2 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 5310-00-231-4252

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 5310-00-231-4252

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
M
EA : Each