National Item Identification Number
00-273-6310
002736310
5305-00-273-6310
5305002736310
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
12Z57PC640
166378PC1
637450PC41
684130
763189PC4
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.138 INCHES
40
3A
RIGHT-HAND
0.250 INCHES MAXIMUM
0.250 INCHES NOMINA