National Item Identification Number
01-431-0531
014310531
5305-01-431-0531
5305014310531
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
53711
Reference Numbers (Part Numbers)
FF-S-86 5/8-11U NC-3A X 1-7/8 L
122-6077711 ITEM 54
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.625 INCHES
11
3A
RIGHT-HAND
1.875 INCHES NOMINAL
STEEL OVERALL
D5 H