National Item Identification Number
01-331-0870
013310870
5305-01-331-0870
5305013310870
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)
76301
99862
76301
Reference Numbers (Part Numbers)
CTS276A-1-0
CTS276A-1-0
74B059320-101
Required Categories
NOMINAL THREAD DIAMETER
FASTENER LENGTH
COLOR
HARDNESS RATING
HEAD STYLE
HE
Required Description
0.188 INCHES
1.000 INCHES NOMINAL
BLACK
61.0 ROCKWELL C MINIMUM AND
65.0 ROC