Part Details | MACHINE SCREW
5305-01-314-2458 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: 1420UNC2A X 34 IN., 1/4-20UNC-2A X 3/4 IN., 0.2502OUNC2AX0.750IN LG STEEL, 0.250-2OUNC2AX0.750IN LG STEEL, FFS92, FF-S-92, 70146938547 SH 2 PC 5, 7014-6938547 SH 2 PC 5, 7016938562 SH 1 PC 46, 701-6938562 SH 1 PC 46, 7015941244 PC 36, 701-5941244 PC 36, 1225589566 PC 29, 122-5589566 PC 29, 1420UNC2A X 34 LG, 1/4-20UNC-2A X 3/4 LG, 0.25020UNC2AX0 .750IN LG STEEL, 0.250-20UNC2AX0 .750IN LG STEEL, FFS92B TY1STY8S 34INLG, FFS92B TY1STY8S -3/4INLG, 5305-01-314-2458, 01-314-2458, 5305013142458, 013142458
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 26, 1990 | 01-314-2458 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-314-2458
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1/4-20UNC-2A X 3/4 IN. | 80204 | AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED |
| 0.250-2OUNC2AX0.750IN LG STEEL | 80204 | AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED |
| FF-S-92 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 7014-6938547 SH 2 PC 5 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 701-6938562 SH 1 PC 46 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 701-5941244 PC 36 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 122-5589566 PC 29 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 1/4-20UNC-2A X 3/4 LG | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 0.250-20UNC2AX0 .750IN LG STEEL | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| FFS92B TY1STY8S -3/4INLG | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
Technical Data | NSN 5305-01-314-2458
| 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 | 0.650 INCHES NOMINAL |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| SCREW MATERIAL | 2$DST0180$3$DST0166$DST0079$DST0157$DST0165$4$DST0080 |
| HEAD STYLE | 0 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.498 INCHES MINIMUM AND 0.525 INCHES MAXIMUM |
| HEAD HEIGHT | 0.152 INCHES MINIMUM AND 0.165 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 8S STYLE |