5310-00-721-7818 NUT,SELF-LOCKING,PLATE Index 5305-00-721-7820 SCREW,MACHINE

National Stock Number:
5310-00-721-7819

Federal Supply Class:
5310

National Item Identification Number:
007217819

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:
5020B1-00138597LOCKHEED MARTIN CORPORATION
917216618876U S ARMY AVIATION AND MISSILE COMMAND
D8556044655OHMITE HOLDING, L.L.C.


Techincal Specification:
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
OUTSIDE DIAMETER1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM
MATERIAL THICKNESS0.0309 INCHES MINIMUM AND 0.0349 INCHES MAXIMUM
MATERIALSTEEL CORROSION RESISTING OVERALL
SHOULDER HEIGHT0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
SHOULDER DIAMETER0.715 INCHES MINIMUM AND 0.725 INCHES MAXIMUM
STYLE DESIGNATORSHOULDERED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL


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