National Item Identification Number
01-379-4146
013794146
5305-01-379-4146
5305013794146
National Stock Number
Item Name
SCREW,CAP,HEXAGON HEAD
Federal Supply Class
5305
Description
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
Commercial and Government Entity Code (Supplier Data)
52374
FLOWSERVE CORPORATION
DBA LIMITORQUE
5114 WOODALL RD
LYNCHBURG
VA
24506
804-763-4887
D9182
52374
FLOWSERVE CORPORATION
DBA LIMITORQUE
5114 WOODALL RD
LYNCHBURG
VA
24506
804-763-4887
Reference Numbers (Part Numbers)
HB3-1/4-20XB
HB3-1/4-20X8
01-435-0397-4 ITEM 45-4
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
2A
RIGHT-HAND
1.000 INCHES NOMINAL
8.000 INCHES NOMINA