NSN 5305-00-217-1990
Part Details | MACHINE SCREW
5305-00-217-1990 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: 7264901, 726490-1, 7264901, 726490-1, 7264901, 726490-1, 7264901, 726490-1, 5305-00-217-1990, 00-217-1990, 5305002171990, 002171990
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-217-1990 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-217-1990
Part Number | Cage Code | Manufacturer |
---|---|---|
726490-1 | 99251 | CARLETON LIFE SUPPORT SYSTEMS INC.DBA COBHAM MISSION SYSTEM |
726490-1 | 96774 | HONEYWELL INTERNATIONAL INC.DBA HONEYWELL |
726490-1 | 19315 | HONEYWELL INTL INC DEFENSE AVIONICSSYSTEMS FORMER BENDIX NAVIGATION AND |
726490-1 | 55972 | HONEYWELL INTL INCDEFENSE AVIONICS SYSTEMS |
Technical Data | NSN 5305-00-217-1990
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.112 INCHES |
THREAD QUANTITY PER INCH | 48 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.250 INCHES MAXIMUM |
FASTENER LENGTH | 0.250 INCHES NOMINAL |
SCREW MATERIAL | COPPER ALLOY |
SCREW SURFACE TREATMENT | CADMIUM |
HEAD STYLE | 8 DISHED HEXAGON |
HEAD DIAMETER | 0.312 INCHES NOMINAL |
HEAD HEIGHT | 0.093 INCHES NOMINAL |
INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |