National Item Identification Number
01-516-3910
015163910
5305-01-516-3910
5305015163910
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)
80204
80204
SG220
LACHISH INDUSTRIES LTD
INDUSTRIAL ZONE
105
SDEROT
ISRAEL
00972768911216
Reference Numbers (Part Numbers)
ANSI B18.3 1/4UNFX1/2
ASME B18.3 1/4 UNF X 1/2
1/4IN-28UNFX1/2INANSIB18.31986
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.250 INCHES
28
3A
RIGHT-HAND