|
|
|
National Stock Number:
5305-01-284-1357
Federal Supply Class:
5305
National Item Identification Number:
012841357
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:
| 1339AS570-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 4008551-1 | 29381 | GICHNER SYSTEMS GROUP, INC. |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | UNF-2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.464 INCHES MINIMUM AND | | 0.495 INCHES MAXIMUM | | FASTENER LENGTH | 0.844 INCHES MINIMUM AND | | 0.875 INCHES MAXIMUM | | MATERIAL | STEEL COMP 304 OR | | STEEL COMP 316 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OR | | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | HEAD STYLE | PAN | | HEAD DIAMETER | 0.357 INCHES MINIMUM AND | | 0.373 INCHES MAXIMUM | | HEAD HEIGHT | 0.122 INCHES MINIMUM AND | | 0.133 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.135 INCHES MINIMUM AND | | 0.140 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.380 INCHES NOMINAL |
|
|