Product Details | FLAT WASHER

5310-01-523-3190 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: MS2877724, MS28777-24, 5310-01-523-3190, 01-523-3190, 5310015233190, 015233190

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 27 AUG 2004 01-523-3190

Drawings & Photos | NSN 5310-01-523-3190


Demand History | NSN 5310-01-523-3190

Part Number Request Date QTY Origin
5310-01-523-3190 2025-11-329 259 DIBBS
5310-01-523-3190 2023-06-179 130 DIBBS
5310-01-523-3190 2018-04-93 83 DIBBS
5310-01-523-3190 2018-01-31 45 DIBBS
5310-01-523-3190 2017-09-263 40 DIBBS
5310-01-523-3190 2017-08-215 26 DIBBS
5310-01-523-3190 2017-06-152 3 United States
5310-01-523-3190 2017-05-124 55 DIBBS
5310-01-523-3190 2017-01-10 5 DIBBS
5310-01-523-3190 2016-12-343 8 DIBBS
5310-01-523-3190 2016-11-322 5 DIBBS
MS2877724 2014-12-338 9 United States
5310-01-523-3190 2014-05-142 1 UK

Cross Reference | NSN 5310-01-523-3190

Part Number Cage Code Manufacturer
MS28777-24 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5310-01-523-3190

Characteristic Specifications
MATERIAL LEATHER OVERALL
HOLE DIAMETER 1.7225 INCHES MINIMUM AND 1.7415 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 2.076 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.125 INCHES NOMINAL
SPECIAL FEATURES FINISH: LEATHER SHALL BE FULL GRAIN, WITH THE FLESH SIDE SMOOTH AND FREE FROM LOOSE FLESH
III PART NAME ASSIGNED BY CONTROLLING AGENCY WASHER, FLAT, AIRCRAFT HYDRAULIC BACKUP
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS28777-24

Restrictions/Controls & Freight Information | NSN 5310-01-523-3190

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