4820-00-597-8812 SEAT,VALVE Index 4820-00-597-8816 SEATING TOOL,VALVE

National Stock Number:
5365-00-597-8813

Federal Supply Class:
5365

National Item Identification Number:
005978813

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:
963418-2982577RAYTHEON COMPANY


Techincal Specification:
DRIVE TYPESOCKET
BORE DIAMETER0.410 INCHES MINIMUM AND 0.412 INCHES MAXIMUM
BORE SHAPESTRAIGHT
CASEHARDENING INDICATORNOT CASE-HARDENED
DEPTH0.063 INCHES NOMINAL
FURNISHED ITEMSSETSCREW LOCKING NOTCH
OVERALL LENGTH0.281 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
MATERIALSTEEL COMP 303
SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD SIZE9/16 IN. -12 NOM
WIDTH0.313 INCHES MINIMUM AND 0.314 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND


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