Part Details | MACHINE SCREW
5305-01-278-2941 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: 219B8232P4, 219B8232P0004, 5305-01-278-2941, 01-278-2941, 5305012782941, 012782941
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 03, 1988 | 01-278-2941 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE II
Cross Reference | NSN 5305-01-278-2941
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 219B8232P4 | 99971 | LOCKHEED MARTIN CORPNAVAL ELECTRONICS & SURVEILLANCE |
| 219B8232P0004 | 99971 | LOCKHEED MARTIN CORPNAVAL ELECTRONICS & SURVEILLANCE |
Technical Data | NSN 5305-01-278-2941
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| THREAD QUANTITY PER INCH | 56 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE |
| HEAD STYLE | 1 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.162 INCHES NOMINAL |
| HEAD HEIGHT | 0.058 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE II |
| END ITEM IDENTIFICATION | AN/ALQ-161 |