5310-00-088-6899 WASHER,STOP Index 5325-00-088-6902 INSERT,SCREW THREAD

National Stock Number:
5306-00-088-6900

Federal Supply Class:
5306

National Item Identification Number:
000886900

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:
4P52017-101A98897LOCKHEED MARTIN CORP


Techincal Specification:
EXTENDED WASHER DIAMETER2.500 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.120 INCHES NOMINAL
FASTENER LENGTH4.535 INCHES NOMINAL
HEAD HEIGHT0.810 INCHES NOMINAL
HEAD STYLEHEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E4340 OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER1.750 INCHES
SHOULDER DIAMETER1.999 INCHES MINIMUM AND 2.000 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH3.275 INCHES NOMINAL FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
WIDTH BETWEEN FLATS1.730 INCHES NOMINAL
SURFACE TREATMENTCHROMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.880 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJ
THREAD QUANTITY PER INCH12


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