5305-00-455-7005, SCREW,EXTERNALLY RELIEVED BODY

5305-00-455-7004 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-455-7005

Federal Supply Class:
5305

National Item Identification Number:
004557005

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Manufacturer Information:

7525646P0002	99971	LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS
7525646P2	99971	LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.410 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.058 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.093 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
HEAD DIAMETER	0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD HEIGHT	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 304 OR STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SECOND DIAMETER FROM HEAD	0.074 INCHES MINIMUM AND 0.084 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.080 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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