5305-01-097-9397, SCREW,CAP,SOCKET HEAD

5306-01-097-9398 BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5305-01-097-9397

Federal Supply Class:
5305

National Item Identification Number:
010979397

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:

SS5012-4LP39

78286

SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM101.0 DEGREES MAXIMUM
FASTENER LENGTH	0.394 INCHES NOMINAL0.394 INCHES NOMINAL
HEAD DIAMETER	0.491 INCHES MINIMUM AND 0.491 INCHES MINIMUM AND 0.507 INCHES MAXIMUM0.507 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNKFLAT COUNTERSUNK
INTERNAL DRIVE STYLE	CROSS RECESS TYPE IIICROSS RECESS TYPE III
LOCKING FEATURE	STRIP THREADSSTRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7839 MIL SPEC SINGLE MATERIAL RESPONSE OVERALLMIL-S-7839 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALLSTEEL OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES0.250 INCHES
SINGLE SHEAR STRENGTH	1040 POUNDS PER SQUARE INCH (PSI)1040 POUNDS PER SQUARE INCH (PSI)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALLCADMIUM OVERALL
THREAD CLASS	3A3A
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD LENGTH	0.394 INCHES NOMINAL0.394 INCHES NOMINAL
THREAD QUANTITY PER INCH	2828
THREAD SERIES DESIGNATOR	UNFUNF

Click here to Register for Free 30-day Trial