5305-01-497-4777, SCREW,EXTERNALLY RELIEVED BODY

4940-01-497-4776 SHOP EQUIPMENT,CALIBRATION

National Stock Number:
5305-01-497-4777

Federal Supply Class:
5305

National Item Identification Number:
014974777

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:

167-7106789-59	53711	NAVAL SEA SYSTEMS COMMAND
H547-0253-59	96169	ELECTRIC BOAT CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.000 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	2.000 INCHES NOMINAL
HEAD HEIGHT	0.455 INCHES MINIMUM AND 0.524 INCHES MAXIMUM
HEAD STYLE	HEXAGON
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
LOCKING FEATURE	PELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286;FORM 2; COND-ANL;AH FIN-A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	NICKEL ALLOY K-500 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	YOKE SPRING RETAINING SCREW
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.750 INCHES
SECOND DIAMETER FROM HEAD	0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
SPECIAL FEATURES	DISTRIBUTION STATEMENT D -DATA EXPORT RESTRICTED
WIDTH BETWEEN FLATS	1.125 INCHES NOMINAL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.560 INCHES NOMINAL
THREAD QUANTITY PER INCH	10
THREAD SERIES DESIGNATOR	UNC

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