5305-00-282-2026, SCREW,EXTERNALLY RELIEVED BODY

5998-00-282-2025 CIRCUIT CARD ASSEMBLY

5305-00-282-2030 THUMBSCREW

National Stock Number:
5305-00-282-2026

Federal Supply Class:
5305

National Item Identification Number:
002822026

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:

108106G2	37695	RAYTHEON COMPANY
6202B2520-4	1YGB8	CAREY MANUFACTURING CO, INC
6202B2520-4A	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6202B2520-4A	1YGB8	CAREY MANUFACTURING CO, INC
B108106G2	37695	RAYTHEON COMPANY
X1786	71279	INTERCONNECTION PRODUCTS INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
HEAD DIAMETER	0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM
HEAD HEIGHT	0.369 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 2
INTERNAL DRIVE STYLE	SLOT
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COPPER ALLOY 360 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIAL FEATURES	CONE POINT 55 TO 65 DEG OF ANGLE BY 0.250 IN.LG BY 0.159 IN. MIN,0.175 IN. MAX DIA
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.370 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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