5305-01-415-8876, SCREW,CAP,SOCKET HEAD

5360-01-415-8877 SPRING,HELICAL,COMPRESSION

National Stock Number:
5305-01-415-8876

Federal Supply Class:
5305

National Item Identification Number:
014158876

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:

803-6397426-0A-151	53711	NAVAL SEA SYSTEMS COMMAND
803-6397426-151	53711	NAVAL SEA SYSTEMS COMMAND
MIL-DTL-1222	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-1222	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	1.380 INCHES NOMINAL
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
HEAD DIAMETER	0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT	0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PELLET OR PATCH OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIAL	STEEL COMP 4340 FASTENER
MINIMUM YIELD STRENGTH	155000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
NONDEFINITIVE SPEC/STD DATA	2 TYPE
THREAD CLASS	3A
THREAD QUANTITY PER INCH	16
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS	0.312 INCHES NOMINAL

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