5310-01-311-7140 WASHER,FLAT Index 5331-01-311-7142 O-RING

National Stock Number:
5310-01-311-7141

Federal Supply Class:
5310

National Item Identification Number:
013117141

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:
1943737-755974HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER TEST SYSTEMS DIV


Techincal Specification:
SHOULDER HEIGHT0.030 INCHES NOMINAL
SHOULDER DIAMETER0.308 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
STYLE DESIGNATORSHOULDERED
HARDNESS RATING110.0 ROCKWELL R MINIMUM AND 120.0 ROCKWELL R MAXIMUM
HOLE DIAMETER0.250 INCHES MINIMUM AND 0.258 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.050 INCHES NOMINAL
MATERIALPLASTIC POLYAMIDE OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER0.500 INCHES NOMINAL


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