5305-00-675-2523, SCREW,EXTERNALLY RELIEVED BODY

5305-00-675-2522 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-675-2523

Federal Supply Class:
5305

National Item Identification Number:
006752523

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:

543-3627-002

13499

ROCKWELL COLLINS, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	2.438 INCHES MINIMUM AND 2.441 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	2.500 INCHES MINIMUM AND 2.503 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.235 INCHES MINIMUM AND 0.238 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.207 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FASTENER LENGTH	2.844 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.156 INCHES NOMINAL
FOURTH DIAMETER FROM HEAD	0.250 INCHES NOMINAL
HEAD DIAMETER	0.250 INCHES NOMINAL
HEAD HEIGHT	0.125 INCHES NOMINAL
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 CL 7 TY A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SECOND DIAMETER FROM HEAD	0.115 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	580008200 RED FSCM 13499 MFR REF SINGLE TREATMENT RESPONSE HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE THREADS
SURFACE TREATMENT	ENAMEL HEAD
SURFACE TREATMENT	PASSIVATE GRIP
SURFACE TREATMENT	PASSIVATE THREADS
THIRD DIAMETER FROM HEAD	0.156 INCHES NOMINAL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.344 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	32

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