4220-01-497-9427 CYLINDER,AIR,DIVING EQUIPMENT Index 5360-01-497-9430 SPRING,HELICAL,COMPRESSION

National Stock Number:
5305-01-497-9428

Federal Supply Class:
5305

National Item Identification Number:
014979428

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:
10-FS-102-30AE28SYSTEMS ENGINEERING AND ANALYTICS, INC.
10-FS-102-X0AE28SYSTEMS ENGINEERING AND ANALYTICS, INC.
PL-04-20-000 ITEM 4110AE28SYSTEMS ENGINEERING AND ANALYTICS, INC.


Techincal Specification:
FASTENER LENGTH1.969 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286,ANNEALED AND AGED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY K-500 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.500 INCHES
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNC


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