5305-00-861-1491, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-861-1491

Federal Supply Class:
5305

National Item Identification Number:
008611491

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:

9977290

18876

U S ARMY AVIATION AND MISSILE COMMAND

Techincal Specification:

FASTENER LENGTH	1.437 INCHES NOMINAL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	1.297 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
HEAD HEIGHT	0.989 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	1.000 INCHES
WIDTH ACROSS FLATS	0.625 INCHES MINIMUM AND 0.629 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.437 INCHES MINIMUM
THREAD QUANTITY PER INCH	08
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

Click here to Register for Free 30-day Trial