5305-00-132-4225, SCREW,EXTERNALLY RELIEVED BODY

5340-00-132-4227 CAP,PROTECTIVE,DUST AND MOISTURE

National Stock Number:
5305-00-132-4225

Federal Supply Class:
5305

National Item Identification Number:
001324225

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:

124221	06481	NORTHROP GRUMMAN SYSTEMS CORPORATION
124221	13973	LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.098 INCHES MINIMUM AND 0.108 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	0.263 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.116 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.143 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FASTENER LENGTH	0.410 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
HEAD DIAMETER	0.250 INCHES NOMINAL
HEAD HEIGHT	0.120 INCHES NOMINAL
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 630 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SECOND DIAMETER FROM HEAD	0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM
THREAD LENGTH	0.135 INCHES MINIMUM
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNC

Click here to Register for Free 30-day Trial