5305-01-605-2630, SCREW,MACHINE

National Stock Number:
5305-01-605-2630

Federal Supply Class:
5305

National Item Identification Number:
016052630

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:

70-2730196-810B

67032

GENERAL DYNAMICS MISSION SYSTEMS, INC.

Techincal Specification:

BEARING SURFACE OF HEAD SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-DTL-13924, CLASS 4 MIL STD SINGLE TREATMENT RESPONSE
BEARING SURFACE OF HEAD SURFACE TREATMENT	BLACK CHEMICAL FINISH AND OXIDE
COLOR	BLACK
FASTENER LENGTH	0.593 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FEATURES PROVIDED	FLAT WASHER AND LOCK WASHER
HEAD DIAMETER	0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT	0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
HEAD STYLE	PAN
HEAD SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-DTL-13924, CLASS 4 MIL STD SINGLE TREATMENT RESPONSE
HEAD SURFACE TREATMENT	BLACK CHEMICAL FINISH AND OXIDE
INTERNAL DRIVE STYLE	CROSS RECESS TYPE III
NOMINAL THREAD DIAMETER	0.164 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	SCREW, PAN HEAD, ASSEMBLED WASHERS, STANDARD SHOULDER WASHERS
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	MS51957 MIL STD SINGLE MATERIAL RESPONSE
SCREW MATERIAL	STEEL CORROSION RESISTING
SCREW SURFACE TREATMENT	BLACK CHEMICAL FINISH AND OXIDE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-DTL-13924, CLASS 4 MIL STD SINGLE TREATMENT RESPONSE
SHANK SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-DTL-13924, CLASS 4 MIL STD SINGLE TREATMENT RESPONSE
SHANK SURFACE TREATMENT	BLACK CHEMICAL FINISH AND OXIDE
SPECIAL FEATURES	FLAT WASHER MATERIAL IS CORROSION RESISTANT STEEL PER AMS-QQ-763A CLASS 302, CONDITION B OR CLASS 304 CONDITION A, OR CLASS 384 CONDITION A. LOCK WASHER MATERIAL IS CORROSION-RESISTANT STEEL PER NASM35338.
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.516 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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