5310-00-944-2603 WASHER,RECESSED Index 5310-00-944-2605 WASHER,SHOULDERED AND RECESSED

National Stock Number:
5310-00-944-2604

Federal Supply Class:
5310

National Item Identification Number:
009442604

Description:
WASHER,SHOULDERED AND RECESSED

Detail:
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.


Manufacturer Information:
123WM40023-126512NORTHROP GRUMMAN SYSTEMS CORPORATION
123WM40023-179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.631 INCHES MINIMUM AND 0.643 INCHES MAXIMUM
OUTSIDE DIAMETER1.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.250 INCHES NOMINAL
MATERIALSTEEL COMP E4340 OVERALL
MINIMUM YIELD STRENGTH16500 POUNDS PER SQUARE INCH
RECESS ANGLE45.0 DEGREES NOMINAL
SHOULDER DIAMETER1.125 INCHES NOMINAL
SHOULDER HEIGHT0.125 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED AND RECESSED
SURFACE TREATMENTCADMIUM OVERALL


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