8970-01-516-9459 UNITIZED GROUP RATION Index 8970-01-516-9461 UNITIZED B RATION

National Stock Number:
5305-01-516-9460

Federal Supply Class:
5305

National Item Identification Number:
015169460

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
0.500-13UNC-2AX3.000LG NICUAL81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
21803103396169ELECTRIC BOAT CORPORATION
596-7410506-853711NAVAL SEA SYSTEMS COMMAND
B434-5219-896169ELECTRIC BOAT CORPORATION


Techincal Specification:
FASTENER LENGTH3.000 INCHES NOMINAL
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
LOCKING FEATUREPELLET THREADS OR PATCH THREADS OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY K-500 OVERALL OR NICKEL ALLOY 502 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.500 INCHES
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH3.000 INCHES NOMINAL
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNC


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