5305-01-178-9241, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-178-9241

Federal Supply Class:
5305

National Item Identification Number:
011789241

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:

13084279-1	04939	LOCKHEED MARTIN CORPORATION
13084279-1	58260	PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH
2-56X.19	70318	ALLMETAL SCREW PRODUCTS CORP

Techincal Specification:

FASTENER LENGTH	0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
HEAD DIAMETER	0.154 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD HEIGHT	0.036 INCHES MINIMUM AND 0.046 INCHES MAXIMUM
HEAD STYLE	BINDING
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 302B OR STEEL COMP 303SE OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L OVERALL
NOMINAL THREAD DIAMETER	0.086 INCHES
WIDTH ACROSS FLATS	0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD LENGTH	0.154 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	56
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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