5305-01-226-9456, SCREW,MACHINE

National Stock Number:
5305-01-226-9456

Federal Supply Class:
5305

National Item Identification Number:
012269456

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Manufacturer Information:

NAS1801-4D47

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

FASTENER LENGTH	2.922 INCHES MINIMUM AND 2.969 INCHES MAXIMUM
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAD HEIGHT	0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD HOLE CONFIGURATION STYLE	HEXAGON CORNERS
HEAD STYLE	HEXAGON
HOLE DIAMETER	0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM
HOLE QUANTITY	3
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
III PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
PROPRIETARY CHARACTERISTICS	MRCS
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE
SCREW MATERIAL	STEEL COMP E4340 OR STEEL COMP 8740
SCREW SURFACE TREATMENT	CADMIUM AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
SPECIFICATION/STANDARD DATA	80205-NAS1801 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.750 INCHES MINIMUM AND 2.969 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNJF

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