2840-00-437-2668 SEAL RING,TURBINE N Index 4320-00-437-2674 PUMP,ROTARY

National Stock Number:
5306-00-437-2670

Federal Supply Class:
5306

National Item Identification Number:
004372670

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:
27254598897LOCKHEED MARTIN CORP


Techincal Specification:
DISTANCE FROM CENTERLINE TO FLAT1.100 INCHES MINIMUM AND 1.110 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER10.875 INCHES MINIMUM FIRST HOLE AND 10.885 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH11.094 INCHES MINIMUM AND 11.104 INCHES MAXIMUM
HEAD DIAMETER2.750 INCHES NOMINAL
HEAD HEIGHT0.616 INCHES MINIMUM AND 0.626 INCHES MAXIMUM
HEAD STYLEDEE CHAMFER
NOMINAL THREAD DIAMETER1.750 INCHES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
SHANK UNTHREADED HOLE DIAMETER0.218 INCHES NOMINAL FIRST HOLE
SHOULDER DIAMETER1.998 INCHES MINIMUM FIRST SHOULDER AND 1.999 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER LENGTH10.125 INCHES MINIMUM FIRST SHOULDER AND 10.135 INCHES MAXIMUM FIRST SHOULDER
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.844 INCHES MINIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUN
SURFACE TREATMENTCADMIUM OVERALL OR CHROMIUM OVERALL


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