National Item Identification Number
01-137-7042
011377042
5305-01-137-7042
5305011377042
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)
5R793
ALCOA GLOBAL FASTENERS INC
DBA ALCOA FASTENING SYSTEMS DIV
3990 A HERITAGE OAK COURT
SIMI VALLEY
CA
93063
805-991-1270
8K160
UNIREX INC
9310 E 37TH ST N
WICHITA
KS
67226
316-636-1228
81205
29372
Reference Numbers (Part Numbers)
BACF34L4BT2HS
BACF34L4BT2HS
BACF34L4BT2HS
CA21150-4-2HS
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.250 INCHES
28
3A
RIGHT-HAND
0.477 INCHES MINIMUM AND
0.637 INCHES MA