Part Details | MACHINE SCREW
5305-00-290-2803 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: 2050697, 20506-97, 7G412, 7G412, 70772A, 132264, FFS92, 132264, 132264, 2050697, 20506-97, 2050697, 20506-97, 132264, PC132264, 77737, 5305-00-290-2803, 00-290-2803, 5305002902803, 002902803
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-290-2803 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-290-2803
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 20506-97 | 83298 | ALLIED SIGNAL INCAEROSPACE EQUIPMENT SYSTEMS |
| 7G412 | 12603 | CLARK EQUIPMENT CO |
| 7G412 | 89749 | CLARK MATERIAL HANDLING COMPANY |
| 70772A | 15434 | CUMMINS INC. |
| 132264 | 12204 | DAIMLER CHRYSLER |
| FFS92 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 132264 | 24617 | GENERAL MOTORS CORP |
| 132264 | 7X677 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
| 20506-97 | 64547 | HONEYWELL INTERNATIONAL INCDBA HONEYWELL |
| 20506-97 | 19315 | HONEYWELL INTL INC DEFENSE AVIONICSSYSTEMS FORMER BENDIX NAVIGATION AND |
| 132264 | 72582 | MTU AMERICA INC. |
| PC132264 | C7432 | POWER COMPONENTS (DEUTSCHLAND) GMBH |
| 77737 | 57733 | STEWART-WARNER CORPORATION |
Technical Data | NSN 5305-00-290-2803
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES MINIMUM |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| SCREW MATERIAL | STEEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AQQ-S-634$AQQ-S-637$JCA66 1ST MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | 0$DZNA000 |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BQQ-P-416,TY 2,CL 3$CQQ-Z-325,TY 2,CL 3 1ST TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 0.289 INCHES MINIMUM AND 0.414 INCHES MAXIMUM |
| HEAD HEIGHT | 0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1S STYLE |