National Item Identification Number
00-778-7828
007787828
5305-00-778-7828
5305007787828
National Stock Number
Item Name
SCREW,EXTERNALLY RELIEVED BODY
Federal Supply Class
5305
Description
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.
Commercial and Government Entity Code (Supplier Data)
31949
HELIX TECHNOLOGY CORPORATION
DBA CTI-CRYOGENICS
9 HAMPSHIRE ST
MANSFIELD
MA
02048
508-337-5644
31949
HELIX TECHNOLOGY CORPORATION
DBA CTI-CRYOGENICS
9 HAMPSHIRE ST
MANSFIELD
MA
02048
508-337-5644
Reference Numbers (Part Numbers)
B2-2940
394997
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD PITCH IN MILLIMETERS;
Required Description
SI-M
6.0 MILLIMETERS
25.4
0.2060 TO 0.2160 INCHES
RIGHT-HAND
0.428 INCHES M