4820-01-503-1549 VALVE,SAFETY RELIEF Index 4820-01-503-1551 VALVE,GLOBE-CHECK

National Stock Number:
5305-01-503-1550

Federal Supply Class:
5305

National Item Identification Number:
015031550

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
0.375-16UNRC-3A X 2.125LG NICU81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
342-7067323-953711NAVAL SEA SYSTEMS COMMAND
68-09-321296169ELECTRIC BOAT CORPORATION
H643-7101-996169ELECTRIC BOAT CORPORATION


Techincal Specification:
FASTENER LENGTH2.125 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONFF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.375 INCHES
SPECIAL FEATURESEXPORT CONTROLLED;UNDISCLOSED SELFLOCKING FEATURE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNRC


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