5340-01-524-6672 WHEEL 5-50 IN Index 5340-01-524-6674 BUMPER ASSY

National Stock Number:
5305-01-524-6673

Federal Supply Class:
5305

National Item Identification Number:
015246673

Description:
SCREW,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 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 designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
803-7391369PC2153711NAVAL SEA SYSTEMS COMMAND
803-7391369PC2180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH0.938 INCHES NOMINAL
HEAD DIAMETER0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD HEIGHT0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SHOULDER DIAMETER0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER LENGTH0.500 INCHES NOMINAL FIRST SHOULDER
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.438 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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