National Item Identification Number
01-078-5070
010785070
5305-01-078-5070
5305010785070
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)
80539
30003
Reference Numbers (Part Numbers)
120387C
642AS0748
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNJC
0.250 INCHES
20
3A
RIGHT-HAND
0.449 INCHES MINIMUM AND
0.489 INCHES M