Product Details | FLAT WASHER

5310-01-503-6863 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: 999-1110-B-01 ITEM 28, 9991110B0128, 999-1110-B-01-28, 9991110B01ITEM28, 999-1110-B-02 REV 4 ITEM 28, 9991110B0228, 999-1110-B-02-28, 9991110B02REV4ITEM28, 0281712001C201, 028-1712001C201, 5310-01-503-6863, 01-503-6863, 5310015036863, 015036863

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 03 JAN 2003 01-503-6863

Demand History | NSN 5310-01-503-6863

Part Number Request Date QTY Origin
999-1110-B-01 ITEM 28 2025-09-252 11 DIBBS
999-1110-B-01-28 2025-09-252 11 DIBBS
999-1110-B-02 REV 4 ITEM 28 2025-09-252 11 DIBBS
999-1110-B-02-28 2025-09-252 11 DIBBS
028-1712001C201 2020-10-302 18 DIBBS
999-1110-B-01 ITEM 28 2020-10-302 18 DIBBS
999-1110-B-01-28 2020-10-302 18 DIBBS
999-1110-B-02 REV 4 ITEM 28 2020-10-302 18 DIBBS
999-1110-B-02-28 2020-10-302 18 DIBBS
028-1712001C201 2019-11-332 5 DIBBS
999-1110-B-01 ITEM 28 2019-11-332 5 DIBBS
999-1110-B-01-28 2019-11-332 5 DIBBS
999-1110-B-02 REV 4 ITEM 28 2019-11-332 5 DIBBS
999-1110-B-02-28 2019-11-332 5 DIBBS
028-1712001C201 2019-05-136 5 DIBBS
999-1110-B-01 ITEM 28 2019-05-136 5 DIBBS
999-1110-B-01-28 2019-05-136 5 DIBBS
999-1110-B-02 REV 4 ITEM 28 2019-05-136 5 DIBBS
999-1110-B-02-28 2019-05-136 5 DIBBS
5310-01-503-6863 2018-07-211 10 DIBBS
5310-01-503-6863 2014-09-260 22 DIBBS

Cross Reference | NSN 5310-01-503-6863

Part Number Cage Code Manufacturer
028-1712001C201 10941 CARVER PUMP COMPANY INC
999-1110-B-01 ITEM 28 10941 CARVER PUMP COMPANY INC
999-1110-B-01-28 10941 CARVER PUMP COMPANY INC
999-1110-B-02 REV 4 ITEM 28 10941 CARVER PUMP COMPANY INC
999-1110-B-02-28 10941 CARVER PUMP COMPANY INC

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Restrictions/Controls & Freight Information | NSN 5310-01-503-6863

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
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 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5310-01-503-6863

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