5305-01-333-6386, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-333-6386

Federal Supply Class:
5305

National Item Identification Number:
013336386

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:

861012-023	06481	NORTHROP GRUMMAN SYSTEMS CORPORATION
861012-023	13973	LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION
ABS20673-1D3	02310	PATTONAIR USA INC
861012-23	06481	NORTHROP GRUMMAN SYSTEMS CORPORATION
861012-23	13973	LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.449 INCHES MINIMUM AND 0.479 INCHES MAXIMUM
FEATURES PROVIDED	O RING AND SHIM
FIRST DIAMETER FROM HEAD	0.115 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
HEAD DIAMETER	0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
HEAD HEIGHT	0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
HEAD STYLE	FILLISTER
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
LOCKING FEATURE	STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	L-P-385 ASSN STD SINGLE MATERIAL RESPONSE LOCKING FEATURE
MATERIAL	PLASTIC POLYCHLOROTRIFLUOROETHYLENE LOCKING FEATURE
MATERIAL	STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 FASTENER
NOMINAL THREAD DIAMETER	0.138 INCHES
SPECIAL FEATURES	SHIM MADE OF POLYTETRAFLUOROETHYLENE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	OXIDE FASTENER
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.250 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	32

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