5310-00-308-3551 WASHER,LOCK Index 5305-00-308-3557 THUMBSCREW

National Stock Number:
5310-00-308-3554

Federal Supply Class:
5310

National Item Identification Number:
003083554

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:
68A450825-200113002GOODRICH CORPORATION
68A450825-20011CN99PERFEKTA INC
68A450825-200124264SKILLTRONICS INC
68A450825-20016K4C8GOODRICH CORPORATION
68A450825-20016P541MONROE TECHNICAL ENGINEERING CORP
68A450825-200176301THE BOEING COMPANY


Techincal Specification:
DISTANCE FROM KEY CENTER TO WIRE HOLE CENTER0.220 INCHES NOMINAL
HEAT TREATMENTF-AS FABRICATED
HOLE DIAMETER3.397 INCHES NOMINAL
INTERNAL PREBENT KEY LENGTH0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM
OUTSIDE DIAMETER3.880 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
MATERIALALUMINUM ALLOY OVERALL
SPECIAL FEATURESTWO INTERNAL PREBENT KEYS,TOP OF WEDGE TO ID 0.510 IN.,CENTER OF WIRE HOLE TO ID 0.400 IN.,CENTER TO BOTTOM OF KEY 1.630 IN. MIN 1.640 IN. MAX,TAB TO BE STRAIGHT 0.070 IN.
WIRE HOLE DIAMETER0.090 INCHES NOMINAL
SURFACE TREATMENTANODIZE OVERALL
TAPERED KEY MINOR WIDTH0.320 INCHES NOMINAL


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