National Item Identification Number
01-140-4320
011404320
5305-01-140-4320
5305011404320
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)
19200
82896
SAFETY SOCKET SCREW CORPORATION
DBA BLUE DEVIL SOCKET SCREW PRODUCTS
6479 N AVONDALE AVE
CHICAGO
IL
60631
800-762-5387
04660
AIL SYSTEMS INC
SUB OF EATON CORP
31717 LA TIENDA RD
5009
THOUSAND OAKS
CA
91362
818-706-5000
00141
Reference Numbers (Part Numbers)
12614906
13100
4245261-028
4437
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
2A
RIGHT-HAND
0.250 INCHES NOMINAL
0.907 INCHES NOMINA