5305-01-071-8747, SCREW,EXTERNALLY RELIEVED BODY

5305-01-071-8748 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-071-8747

Federal Supply Class:
5305

National Item Identification Number:
010718747

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:

MS90402-1

96906

MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.172 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.072 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HEAD DIAMETER	0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
HEAD HEIGHT	0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM
HEAD STYLE	PAN NO. 2
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 COND A FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 COND A ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 410 OR STEEL COMP 416 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.074 INCHES MINIMUM AND 0.089 INCHES MAXIMUM
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNC

Click here to Register for Free 30-day Trial