National Item Identification Number
01-223-4419
012234419
5305-01-223-4419
5305012234419
National Stock Number
Item Name
SCREW,MACHINE
Federal Supply Class
5305
Description
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Commercial and Government Entity Code (Supplier Data)
14153
59042
BECHTEL PLANT MACHINERY INC.
DBA BECHTEL PLANT MACHINERY INC.
500 PENN CENTER BLVD
PITTSBURGH
PA
15235
412-829-8626
Reference Numbers (Part Numbers)
LL-HX3-8684
909J222-56
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.125 INCHES
40
2A
RIGHT-HAND
0.250 INCHES NOMINAL
COPPER ALLOY
B1 CR
