5310-01-209-7987 WASHER,RECESSED Index 5310-01-209-7989 WASHER,SHOULDERED AND RECESSED

National Stock Number:
5310-01-209-7988

Federal Supply Class:
5310

National Item Identification Number:
012097988

Description:
WASHER,SHOULDERED

Detail:
A WASHER, ROUND IN SHAPE, AND HAVING A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS FLAT AND UNBROKEN, THE OTHER SURFACE IS IN THE FORM OF A RAISED SHOULDER (BOSS) HAVING A FLAT BEARING SURFACE. 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:
RD3872451663HYDRO-AIRE AEROSPACE CORP.


Techincal Specification:
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
HOLE DIAMETER3.370 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.056 INCHES MINIMUM AND 0.061 INCHES MAXIMUM
MATERIALSTEEL COMP 416 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER3.994 INCHES NOMINAL
SHOULDER DIAMETER3.649 INCHES NOMINAL
SHOULDER HEIGHT0.060 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL OR CP-3001,TY 4,FSCM 51663 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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