Product Details | FLAT WASHER

5310-01-394-2020 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: 40A116083, 40A11608-3, 5310-01-394-2020, 01-394-2020, 5310013942020, 013942020

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 03 AUG 1994 01-394-2020

Drawings & Photos | NSN 5310-01-394-2020


Cross Reference | NSN 5310-01-394-2020

Part Number Cage Code Manufacturer
40A11608-3 14170 HUGHES MISSILE SYSTEMS CO SAN DIEGO
40A11608-3 15090 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 5310-01-394-2020

Characteristic Specifications
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 40A20200-1 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 3.750 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 5.750 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.045 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-01-394-2020

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:PMunitions List Item. Demilitarization required. Security classified item - Declassification and any additional demilitarization and removal of any sensitive markings or information will be accomplished prior to accountability or physical transfer to a DRMO. This code will not be assigned to AEDA items.
Controlled Inventory Item Code:SSECRET/
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 097510 WASHERS I/S CHROMIUM/NICKEL PLATED
Less than car load rating
Less than truck load rating R 65.0
Water commodity Code 573 unknown
Originating Activity Code TK HQ AFMC/GLSC 401 SCM/GUMB
Wright-Patterson AFB, OH 45433-5000
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 S Material Classified as Secret? but which does not meet Code 5 criteria.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo R Flammable liquids, UN class 3 (flammable liquids label)