Product Details | FLAT WASHER

5310-01-023-3815 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: 4912548-05, 5310-01-023-3815, 01-023-3815, 5310010233815, 491254805, 010233815

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 16 JUN 1976 01-023-3815

Drawings & Photos | NSN 5310-01-023-3815


Cross Reference | NSN 5310-01-023-3815

Part Number Cage Code Manufacturer
4912548-05 03956 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NAVAL AND MARINE SYSTEMS
4912548-05 90536 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN

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Technical Data | NSN 5310-01-023-3815

Characteristic Specifications
MATERIAL STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER 0.333 INCHES MINIMUM AND 0.353 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
MANUFACTURERS CODE 03956
DESIGN CONTROL REFERENCE 4912548-05

Restrictions/Controls & Freight Information | NSN 5310-01-023-3815

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: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
No Freight Information