Part Details | MACHINE SCREW
5305-01-380-2543 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: 12280B18, 12280B18, 12278D18118E, 12278D18-118E, 5305-01-380-2543, 01-380-2543, 5305013802543, 013802543
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 16, 1993 | 01-380-2543 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-380-2543
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12280B18 | 88032 | CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION |
| 12280B18 | 0UBG9 | CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION |
| 12278D18-118E | 88032 | CURTISS-WRIGHT ELECTRO-MECHANICALCORPORATION |
Technical Data | NSN 5305-01-380-2543
| 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 NOMINAL |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| SCREW MATERIAL | TITANIUM ALLOY UNS R56400 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B348 GR 5 ASSN STD SINGLE MATERIAL RESPONSE |
| HEAD STYLE | 0 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.560 INCHES NOMINAL |
| HEAD HEIGHT | 0.310 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| SPECIAL FEATURES | COTTER PIN HOLE THRU THREADS; NOMINAL DIA 0.213 |