National Item Identification Number
01-066-4443
010664443
5305-01-066-4443
5305010664443
National Stock Number
Item Name
SCREW,SHOULDER
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. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.
Commercial and Government Entity Code (Supplier Data)
02064
C B C INDUSTRIES INC
DBA AMERICAN DRILL BUSHING COMPANY
7141 PARAMOUNT BLVD
PICO RIVERA
CA
90660
323-725-1515
99862
01226
BARRY WRIGHT CORP
VLIER ENGIEERING DIV
40 GUEST ST
BRIGHTON
MA
02135
617-787-1555
30003
Reference Numbers (Part Numbers)
ADB31040
CL11SS
SHSS8
472AS198-1
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
2A
RIGHT-HAND
0.421 INCHES MINIMUM AND
0.453 INCHES MA