Product Details | SHOULDERED WASHER

5310-01-591-8230 A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use BEARING, SLEEVE; BUSHING SLEEVE; or SPACER, SLEEVE. Excludes INSULATOR, WASHER and thrust type washers.

Part Alternates: 94709A518, 5310-01-591-8230, 01-591-8230, 5310015918230, 015918230

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 11 FEB 2011 01-591-8230

Demand History | NSN 5310-01-591-8230

Part Number Request Date QTY Origin
94709A518 2025-11-317 268 DIBBS
SJN100053XX 2025-11-317 268 DIBBS
94709A518 2025-10-299 268 DIBBS
SJN100053XX 2025-10-299 268 DIBBS
94709A518 2023-12-354 71 DIBBS
94709A518 2022-05-138 71 DIBBS
94709A518 2021-03-62 30 DIBBS
94709A518 2021-01-06 20 DIBBS
94709A518 2020-12-365 3 DIBBS
94709A518 2020-12-365 8 DIBBS
94709A518 2020-08-224 1 DIBBS

Cross Reference | NSN 5310-01-591-8230

Part Number Cage Code Manufacturer
94709A518 39428 MCMASTER-CARR SUPPLY COMPANY

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Technical Data | NSN 5310-01-591-8230

Characteristic Specifications
SPECIAL FEATURES SHAPE:BONDED; FINISH:NEOPRENE-BACKED; STAINLESS STEEL TYPE:18-8; APPLICATION:SEALING WASHER; DUROMETER HARDNESS:65A-75A; OPERATING TEMPERATURE RANGE:NEGATIVE 45 TO 250 DEGREE FAHRENHEIT
HOLE DIAMETER 0.530 INCHES NOMINAL
HARDNESS RATING 80.0 ROCKWELL B MINIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
OUTSIDE DIAMETER 1.000 INCHES NOMINAL
OVERALL HEIGHT 0.125 INCHES NOMINAL
COLOR BLACK OVERALL

Restrictions/Controls & Freight Information | NSN 5310-01-591-8230

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