5340-01-491-0543 BRACKET,ANGLE Index 1560-01-491-0545 BRACKET,STRUCTURAL COMPONENT,AIRCRAFT

National Stock Number:
5305-01-491-0544

Federal Supply Class:
5305

National Item Identification Number:
014910544

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
167-6985306 PART 8953711NAVAL SEA SYSTEMS COMMAND
H542-1701 PART 8996169ELECTRIC BOAT CORPORATION


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
NOMINAL THREAD DIAMETER0.500 INCHES
WIDTH BETWEEN FLATS1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF


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