5365-00-439-3221 SPACER,PLATE Index 5365-00-439-3227 SPACER,RING

National Stock Number:
5365-00-439-3226

Federal Supply Class:
5365

National Item Identification Number:
004393226

Description:
RING,EXTERNALLY THREADED

Detail:
A cylindrically shaped item with a concentric bore and a peripheral thread over its entire length or over a portion thereof. One face is drilled, slotted, knurled, or has projecting lugs for installation and/or removal purposes. Excludes RETAINER, OPTICAL ELEMENT.


Manufacturer Information:
4G13908-101A98897LOCKHEED MARTIN CORP


Techincal Specification:
DIAMETER3.750 INCHES NOMINAL
DRIVE TYPESLOTTED FACE
ACCOMMODATION TYPE AND QUANTITY4 SLOTS
ANGLE BETWEEN ACCOMMODATIONS IN DEG90.0
BORE DIAMETER2.810 INCHES NOMINAL
BORE EDGE PROCESSCHAMFERED
BORE SHAPESTRAIGHT
CRITICALITY CODE JUSTIFICATIONAGAV
HEIGHT0.920 INCHES MINIMUM AND 0.950 INCHES MAXIMUM
MATERIAL HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
PROCESS END LOCATIONEND OPPOSITE DRIVE END
PROPRIETARY CHARACTERISTICSPACS
SCREW THREAD SERIES DESIGNATORUNS
SPECIAL FEATURESFOUR SLOTS AT 90.0 DEG TO EACH OTHER. EACH SLOT HAS ONE HOLE,0.059 TO 0.064 IN.,IN ITS SIDEWALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SIZE3.750


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