Product Details | FLAT WASHER

5310-00-176-6364 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: 45351100010, 5310-00-176-6364, 00-176-6364, 5310001766364, 001766364

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 26-DEC-69 00-176-6364

Drawings & Photos | NSN 5310-00-176-6364


Cross Reference | NSN 5310-00-176-6364

Part Number Cage Code Manufacturer
2W18-616M 43999 BOEING COMPANY, THE DBA BOEING
45351100010 89944 KOLLSMAN, INC.
4F55378-101A 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
LD153-0011-0017 43999 BOEING COMPANY, THE DBA BOEING
NAS1252-616L 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5310-00-176-6364

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-250/4,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION KPS-5A-300,FSCM 89944 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.6220 INCHES MINIMUM AND 0.6235 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.032 INCHES NOMINAL
MANUFACTURERS CODE 89944
DESIGN CONTROL REFERENCE 45351100010

Restrictions/Controls & Freight Information | NSN 5310-00-176-6364

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
No Freight Information