Part Details | MACHINE SCREW
5305-01-227-3990 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.
Alternate Parts: 440UNC2A14LGANSIB18.6.3 FILHD, 4-40UNC2A1/4LGANSIB18.6.3 FILHD, 089616304, 089-6163-04, 089K616304, 089K-6163-04, 5305-01-227-3990, 01-227-3990, 5305012273990, 012273990
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 03, 1986 | 01-227-3990 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE II
Cross Reference | NSN 5305-01-227-3990
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 4-40UNC2A1/4LGANSIB18.6.3 FILHD | 80204 | AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED |
| 089-6163-04 | 22373 | HONEYWELL INTERNATIONAL INC.DBA HONEYWELL |
| 089K-6163-04 | K0668 | LEONARDO MW LTD |
Technical Data | NSN 5305-01-227-3990
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.250 INCHES NOMINAL |
| FASTENER LENGTH | 0.250 INCHES NOMINAL |
| SCREW MATERIAL | 1$DST0430 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | IFI-104 ASSN STD ALL MATERIAL RESPONSES |
| SCREW SURFACE TREATMENT | PASSIVATE |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| HEAD HEIGHT | 0.094 INCHES MINIMUM AND 0.107 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE II |
| SPECIFICATION/STANDARD DATA | 22373-089-6163 MANUFACTURERS SPECIFICATION CONTROL AND 80204-ANSI B18.6.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| NONDEFINITIVE SPEC/STD DATA | 4.40 SIZE AND 1 TO 4IN. LENGTH AND STLS/STL MATERIAL |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL |
| SUPPLEMENTARY FEATURES | ARING-KING PT LIST 006-8024-05 |