5310-14-316-1909 WASHER,RECESSED Index 5310-14-316-1913 WASHER,SHOULDERED AND RECESSED

National Stock Number:
5310-14-316-1912

Federal Supply Class:
5310

National Item Identification Number:
143161912

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:
23121BC080LEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23121BC080LEF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
23121BC080LEF0236SAINT CHAMOND GRANAT SA
23121BC080LEF0434ALIGN AEROSPACE FRANCE SAS
23121BC080LEF1236PREAULT TECHNOLOGIES
23121BC080LEF6760DEMAT SA
4055703000198C8186BHV AVIATION CONSULTANTS GMBH
Z00.N5726291365F0086SOCATA
L23121-80BCLEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23121BC080LEF7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
RONDELLE CHAMBRE,8/35NC6F/CD8BF7629DGA/DO


Techincal Specification:
HOLE DIAMETER6.20 MILLIMETERS MINIMUM AND 6.44 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 35NC6 OVERALL
OUTSIDE DIAMETER12.0 MILLIMETERS NOMINAL
OVERALL HEIGHT2.8 MILLIMETERS NOMINAL
RADIUS1.0 MILLIMETERS NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DEPTH1.6 MILLIMETERS NOMINAL
RECESS DIAMETER8.8 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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