Product Details | FLAT WASHER

5310-00-721-7400 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: LD15300110011, LD153-0011-0011, 618882GB, 5310-00-721-7400, 00-721-7400, 5310007217400, 007217400

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-721-7400

Drawings & Photos | NSN 5310-00-721-7400


Demand History | NSN 5310-00-721-7400

Part Number Request Date QTY Origin
LD15300110011 2024-04-94 20 United States
5310-00-721-7400 2016-09-260 1318 DIBBS
5310-00-721-7400 2016-09-252 1318 DIBBS
5310-00-721-7400 2014-07-195 7500 DIBBS
5310-00-721-7400 2014-07-183 7500 DIBBS
LD15300110011 2008-08-235 30 US

Cross Reference | NSN 5310-00-721-7400

Part Number Cage Code Manufacturer
618882GB 99166 SUNDSTRAND CORP SUNDSTRAND HYDRAULICS DIV
618882GB 99167 HAMILTON SUNDSTRAND CORPORATION
LD153-0011-0011 43999 BOEING COMPANY, THE DBA BOEING

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 5310-00-721-7400

Technical Data | NSN 5310-00-721-7400

Characteristic Specifications
MATERIAL STEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HOLE DIAMETER 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.553 INCHES MINIMUM AND 0.560 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM
MANUFACTURERS CODE 99166
DESIGN CONTROL REFERENCE 618882GB

Restrictions/Controls & Freight Information | NSN 5310-00-721-7400

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
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 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