National Item Identification Number
00-337-2576
003372576
5305-00-337-2576
5305003372576
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)
81336
CHIEF OF ENGINEERS
DEPT OF ARMY
NONE
WASHINGTON
DC
20314
12204
D1839
BUNDESAMT FUER WEHRTECHNIK
UND BESCHAFFUNG
7360
KOBLENZ
GERMANY
0261-400-0
NSN (National Stock Number) 5305-00-337-2576, 5305003372576 NIIN (National Identification Number) 00-337-2576, 003372576
Part Numbers (Reference Numbers)
D8471-44-14
D8471-44-14
FFS85
G205802-17
G205802-17
S6101-3121461PC242
S61
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
2A
RIGHT-HAND
0.625 INCHES MINIMUM
0.625 INCHES NOMINA