5310-01-029-8175 NUT,SELF-LOCKING,PLATE Index 5310-01-029-8177 WASHER,FLAT

National Stock Number:
5310-01-029-8176

Federal Supply Class:
5310

National Item Identification Number:
010298176

Description:
WASHER,KEY

Detail:
A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.


Manufacturer Information:
ST4M160C276301THE BOEING COMPANY


Techincal Specification:
EXTERNAL KEY QUANTITY15
EXTERNAL PREBENT KEY WIDTH0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
HEAT TREATMENTANNEALED
HOLE DIAMETER1.900 INCHES MINIMUM AND 1.905 INCHES MAXIMUM
INTERNAL PREBENT KEY LENGTH0.162 INCHES MINIMUM AND 0.174 INCHES MAXIMUM
INTERNAL PREBENT KEY WIDTH0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
OUTSIDE DIAMETER2.220 INCHES MINIMUM AND 2.230 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS2.760 INCHES MINIMUM AND 2.800 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM
MATERIALSTEEL COMP 321 OR STEEL COMP 347 OVERALL
STYLE DESIGNATORKEY
SURFACE TREATMENTPASSIVATE OVERALL


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