5310-14-316-1914 WASHER,RECESSED Index 5315-14-316-9930 PIN,GROOVED,HEADLESS

National Stock Number:
5310-14-316-1915

Federal Supply Class:
5310

National Item Identification Number:
143161915

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:
23121BC150LEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23121BC150LEF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
23121BC150LEF0236SAINT CHAMOND GRANAT SA
23121BC150LEF0434ALIGN AEROSPACE FRANCE SAS
23121BC150LEF6760DEMAT SA
23121BC150LEF7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
L23121-150BCLEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
31570BC150LEF6117DASSAULT AVIATION


Techincal Specification:
HOLE DIAMETER12.20 MILLIMETERS MINIMUM AND 12.47 MILLIMETERS MAXIMUM
MATERIALSTEEL COMP 35NC6 OVERALL
OUTSIDE DIAMETER22.0 MILLIMETERS NOMINAL
OVERALL HEIGHT4.3 MILLIMETERS NOMINAL
RADIUS1.5 MILLIMETERS NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DEPTH1.8 MILLIMETERS NOMINAL
RECESS DIAMETER15.8 MILLIMETERS NOMINAL
STYLE DESIGNATORERR-090
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNF L 09-753 CODE LE NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL


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