5310-01-027-4684 WASHER,FLAT Index 5310-01-027-4686 WASHER,SPRING TENSION

National Stock Number:
5310-01-027-4685

Federal Supply Class:
5310

National Item Identification Number:
010274685

Description:
WASHER,RECESSED

Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.


Manufacturer Information:
123HM10114-51126512NORTHROP GRUMMAN SYSTEMS CORPORATION
123HM10114-51179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
BOTTOM RECESS DIAMETER0.545 INCHES MINIMUM
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.515 INCHES NOMINAL
OUTSIDE DIAMETER1.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5612 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.089 INCHES MINIMUM AND 0.091 INCHES MAXIMUM
MATERIALSTEEL COMP 410 OVERALL
STYLE DESIGNATORRECESSED BOTH SIDES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGSS 7021 FSCM 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
TOP RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS DIAMETER0.545 INCHES MINIMUM


Click here to Register for Free 30-day Trial