National Item Identification Number
00-921-0930
009210930
5305-00-921-0930
5305009210930
National Stock Number
Item Name
SCREW,CAP,SOCKET HEAD
Federal Supply Class
5305
Description
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
Commercial and Government Entity Code (Supplier Data)
3U752
GRANDEUR FASTENERS INC
18798 E STATE HWY 10
DANVILLE
AR
72833
479-489-5168
96429
WESTPORT INTERNATIONAL INC.
5345 STATE HIGHWAY 12
P.O. BOX 310
NORWICH
NY
13815
904-739-4296
59501
96429
WESTPORT INTERNATIONAL INC.
5345 STATE HIGHWAY 12
P.O. BOX 310
NORWICH
NY
13815
904-739-4296
Reference Numbers (Part Numbers)
A4819-3
A4819-3
9-480019-003
9-480019-003
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
40
3A
RIGHT-HAND
0.188 INCHES MAXIMUM
0.171 INCHES MINIMU