Product Details | SHOULDERED AND RECESSED WASHER

5310-00-550-3593 A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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: 20PCSET , 309688, 511413, 5310-00-550-3593, 00-550-3593, 5310005503593, 005503593

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-550-3593

Drawings & Photos | NSN 5310-00-550-3593


Cross Reference | NSN 5310-00-550-3593

Part Number Cage Code Manufacturer
309688 11449 TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
309688 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
511413 04861 COOPER INDUSTRIES INC COOPER PETROLEUM EQUIPMENT DIV
511413 11449 TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
511413 14153 DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER
511413 61062 COMET MFG CO INC
511413 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
511413 97139 SLABE MACHINE PRODUCTS CO., THE

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Technical Data | NSN 5310-00-550-3593

Characteristic Specifications
MATERIAL STEEL COMP 410 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 18 SHOULDERED AND RECESSED
HOLE DIAMETER 0.158 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
SHOULDER DIAMETER 0.312 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
OUTSIDE DIAMETER 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
SHOULDER HEIGHT 0.0555 INCHES MINIMUM AND 0.0575 INCHES MAXIMUM
MATERIAL THICKNESS 0.0545 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM
RECESS ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MANUFACTURERS CODE 97139
DESIGN CONTROL REFERENCE 511413

Restrictions/Controls & Freight Information | NSN 5310-00-550-3593

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:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information