|
|
|
National Stock Number:
5305-01-201-4737
Federal Supply Class:
5305
National Item Identification Number:
012014737
Description:
SCREW,SHOULDER
Detail:
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.
|
Manufacturer Information:
| 4400B0835 | 21877 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
|
Techincal Specification:
| FASTENER LENGTH | 0.472 INCHES NOMINAL | | HEAD HEIGHT | 0.090 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SPECIAL FEATURES | UNDERCUT BETWEEN SECOND SHOULDER AND THREAD LENGTH OF 0.060 IN. NOM. LENGTH AND 0.094 IN. NOM. DIA | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.225 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL |
|
|