National Item Identification Number
01-384-2101
013842101
5305-01-384-2101
5305013842101
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)
D9182
80204
Reference Numbers (Part Numbers)
FF-S-86
FFS86TY4,.250-2 0UNC-3AX.750,
1/4-20UNC-3AX.750 IN.LG.NICU
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
3A
RIGHT-HAND
0.489 INCHES MINIMUM AND
0.589 INCHES MA