Product Details | FLAT WASHER

5310-01-040-4040 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: S236MR001P003, 330845-001, 25535, 255-35, 5310-01-040-4040, 01-040-4040, 5310010404040, 010404040, 330845001

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 07 MAY 1977 01-040-4040

Drawings & Photos | NSN 5310-01-040-4040


Demand History | NSN 5310-01-040-4040

Part Number Request Date QTY Origin
5310-01-040-4040 2023-01-20 800 DIBBS
5310-01-040-4040 2023-01-12 800 DIBBS
5310-01-040-4040 2017-10-295 1550 DIBBS
5310-01-040-4040 2015-08-223 201 DIBBS
330845001 2011-10-300 500 United States
5310-01-040-4040 2011-10-300 500 United States
5310-01-040-4040 2011-09-270 500 DIBBS
330845001 2010-11-308 500 United States
5310-01-040-4040 2008-10-286 384 DIBBS
5310-01-040-4040 2008-10-286 416 DIBBS
5310-01-040-4040 2007-04-113 600 United States

Cross Reference | NSN 5310-01-040-4040

Part Number Cage Code Manufacturer
255-35 95238 WINCHESTER ELECTRONICS CORPORATION DBA WINCHESTER ELECTRONICS
330845-001 81413 BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I
S236MR001P003 3B150 RAYTHEON TECHNICAL SERVICES COMPANY LLC
S236MR001P003 49956 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 5310-01-040-4040

Characteristic Specifications
MATERIAL STEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM
MANUFACTURERS CODE 49956
DESIGN CONTROL REFERENCE S236MR001P003

Restrictions/Controls & Freight Information | NSN 5310-01-040-4040

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 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 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 5310-01-040-4040

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 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