Product Details | FLAT WASHER

5310-01-523-9101 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: NAS1515K08L, 5310-01-523-9101, 01-523-9101, 5310015239101, 015239101

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 17 SEP 2004 01-523-9101

Drawings & Photos | NSN 5310-01-523-9101


Demand History | NSN 5310-01-523-9101

Part Number Request Date QTY Origin
5310-01-523-9101 2020-02-42 300 United States
5310-01-523-9101 2016-03-83 10 US

Cross Reference | NSN 5310-01-523-9101

Part Number Cage Code Manufacturer
NAS1515K08L 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
NAS1515K08L 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5310-01-523-9101

Characteristic Specifications
MATERIAL RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL
HOLE DIAMETER 0.169 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.015 INCHES MINIMUM AND 0.047 INCHES MAXIMUM
SPECIAL FEATURES EDGE OF CENTER HOLE COLOR CODED ORANGE; WASHER IS INORGANIC ESTER RESISTANT; USED ON VALUE GUAGE INSTALLATION - BRAKE ACCUMULATOR CHARGING (LANDING GEAR ONLY)
III END ITEM IDENTIFICATION B757 AIRCRAFT

Restrictions/Controls & Freight Information | NSN 5310-01-523-9101

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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