National Item Identification Number
00-273-4998
002734998
5305-00-273-4998
5305002734998
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)
Reference Numbers (Part Numbers)
FFS86TYPE1STYLE11
12Z51PC384
166345PC8
196825PC8
273602PC9
43-S-4369-40
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.438 INCHES
14
3A
RIGHT-HAND
1.000 INCHES NOMINAL
1.000 INCHES NOMINA