NSN 5305-00-157-8289
Part Details | MACHINE SCREW
5305-00-157-8289 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 PANHD, 4-40UNC2A1/4LGANSIB18.6.3 PANHD, 089590304, 089-5903-04, 089K590304, 089K-5903-04, 5305-00-157-8289, 00-157-8289, 5305001578289, 001578289
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | MAY 17, 1971 | 00-157-8289 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON

CROSS RECESS TYPE II

Cross Reference | NSN 5305-00-157-8289
Part Number | Cage Code | Manufacturer |
---|---|---|
4-40UNC2A1/4LGANSIB18.6.3 PANHD | 80204 | AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED |
089-5903-04 | 22373 | HONEYWELL INTERNATIONAL INC.DBA HONEYWELL |
089K-5903-04 | K0668 | LEONARDO MW LTD |
Technical Data | NSN 5305-00-157-8289
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 MAXIMUM |
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 UNDERCUT HEXAGON |
HEAD DIAMETER | 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE II |
SPECIFICATION/STANDARD DATA | 22373-089-5903 MANUFACTURERS SPECIFICATION CONTROL AND 80204-ANSI B18.6.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
NONDEFINITIVE SPEC/STD DATA | 5 TABLE AND 4-40 SIZE AND 1 TO 4IN. LENGTH AND STLS/STL MATERIAL |
DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL |
SUPPLEMENTARY FEATURES | ARINC-KING PT LIST 006-8024-05,SIMILAR TO NSN 5305-00-054-5647 |