4470-01-495-3811 SEAL RING,NUCLEAR COOLANT SYSTEM Index 5330-01-495-3814 GASKET

National Stock Number:
5306-01-495-3812

Federal Supply Class:
5306

National Item Identification Number:
014953812

Description:
BOLT,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.


Manufacturer Information:
563-740937553711NAVAL SEA SYSTEMS COMMAND
563-7409375-4853711NAVAL SEA SYSTEMS COMMAND
B552-3101-4896169ELECTRIC BOAT CORPORATION


Techincal Specification:
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER LENGTH5.540 INCHES NOMINAL FIRST SHOULDER
SPECIAL FEATURESTECH DATA NOT AUTHORIZED FOR RELEASE OUTSIDE OF U.S.; THE SHOULDER HAS AN OUTSIDE SURFACE FINISH OF 32.0 MICROINCHES; USED ON MBT 6 VENT VALVE LINKAGE ASSEMBLY OF A SEAWOLF CLASS SUBMARINE
WIDTH BETWEEN FLATS1.500 INCHES NOMINAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.150 INCHES NOMINAL
THREAD QUANTITY PER INCH9
THREAD SERIES DESIGNATORUNC
FASTENER LENGTH6.880 INCHES NOMINAL
HEAD HEIGHT0.500 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY K-500 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.875 INCHES
SHOULDER DIAMETER1.245 INCHES MINIMUM FIRST SHOULDER AND 1.246 INCHES MAXIMUM FIRST SHOULDER


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