National Item Identification Number
00-021-4005
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)
59556
KOVATCH CORPORATION
1 INDUSTRIAL COMPLEX
NESQUEHONING
PA
18240
570-669-5199
89619
MACK TRUCKS INC
GOVERNMENT SALES DIV
7000 ALBURTIS RD
MACUNGIE
PA
18062
610-709-3666
76040
MACK TRUCKS INC
PARTS OPN
2100 MACK BLVD
M
ALLENTOWN
PA
18105
610-709-3011
81580
MCCULLOCH CORP
6000 S MCCULLOCH DR
11990
TUCSON
AZ
85706
520-574-1311
21450
24617
Reference Numbers (Part Numbers)
CC4X20
K-500-CH-0792
1AX 147
1AX147
102128
214005
214005
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
2A
RIGHT-HAND
0.750 INCHES MINIMUM
1.250 INCHES NOMINA