Product Details | FLAT WASHER

5310-01-628-5604 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: NAS1149D0463H , 5310-01-628-5604, 01-628-5604, 5310016285604, 016285604

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 2014150 01-628-5604

Drawings & Photos | NSN 5310-01-628-5604


Demand History | NSN 5310-01-628-5604

Part Number Request Date QTY Origin
NAS1149D0463H 2025-05-149 100 United States
5310-01-628-5604 2022-09-262 62 DIBBS
NAS1149D0463H 2022-09-244 4 Poland
5310-01-628-5604 2022-07-200 118 DIBBS
5310-01-628-5604 2021-05-139 107 DIBBS
5310-01-628-5604 2021-05-129 45 DIBBS
5310-01-628-5604 2021-04-105 15 DIBBS
5310-01-628-5604 2021-03-63 38 DIBBS
5310-01-628-5604 2021-03-63 40 DIBBS
5310-01-628-5604 2020-12-362 1 DIBBS
NAS1149D0463H 2020-05-147 1000 US
5310-01-628-5604 2020-01-09 20 US
5310-01-628-5604 2019-10-289 20 DIBBS
5310-01-628-5604 2019-10-281 50 DIBBS
NAS1149D0463H 2019-07-210 35 United States
5310-01-628-5604 2019-01-28 18 DIBBS
5310-01-628-5604 2019-01-09 8 DIBBS
NAS1149D0463H 2018-09-253 1 United States
NAS1149D0463H 2018-09-253 2 United States
NAS1149D0463H 2018-09-253 6 United States
NAS1149D0463H 2018-09-253 10 United States
NAS1149D0463H 2018-09-253 20 United States
NAS1149D0463H 2018-09-253 40 United States
NAS1149D0463H 2018-09-253 75 United States
5310-01-628-5604 2018-08-226 2 DIBBS
5310-01-628-5604 2017-09-269 18 DIBBS
5310-01-628-5604 2016-02-36 56 DIBBS
5310-01-628-5604 2016-01-28 56 DIBBS
NAS1149D0463H 2015-02-47 6 United States
NAS1149D0463H 2014-06-167 200 United States
NAS1149D0463H 2014-06-157 100 United States
NAS1149D0463H 2012-11-310 81
NAS1149D0463H 2012-06-171 100 Malaysia
NAS1149D0463H 2011-07-193 100 FR
NAS1149D0463H 2010-02-39 300 Italy

Cross Reference | NSN 5310-01-628-5604

Part Number Cage Code Manufacturer
NAS1149D0463H 5B5M3 EDGEWOOD CHEMICAL BIOLOGICAL CENTER DIV DEPT OF ARMY

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Technical Data | NSN 5310-01-628-5604

Characteristic Specifications
PERIPHERAL SHAPE STYLE ROUND
CENTER HOLE SHAPE STYLE ROUND
III END ITEM IDENTIFICATION 4910-01-539-6129
III PART NAME ASSIGNED BY CONTROLLING AGENCY WASHER FOR 1/4-20

Restrictions/Controls & Freight Information | NSN 5310-01-628-5604

Category Code Description
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.
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.
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 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code BF U.S. Army Armament and Chemical Acquisition and
Logistics Activity
Rock Island, IL 61299-6000
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 5310-01-628-5604

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityAItem requires special handling or condemnation procedures for specific reasons, such as precious metal content, high dollar value, critical material, or hazardous materiel. Refer to appropriate manuals or directives for specific instructions.
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