Part Details | MACHINE SCREW
5305-01-373-0257 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: 6026890153, 60268-90153, 409.202150, 5305-01-373-0257, 01-373-0257, 5305013730257, 013730257
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 25, 1993 | 01-373-0257 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-373-0257
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 60268-90153 | 97384 | AAI CORPORATIONDBA TEXTRON SYSTEMS |
| 409.202150 | 24972 | AEG CORP |
Technical Data | NSN 5305-01-373-0257
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.2 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.00 MILLIMETERS MINIMUM AND 1.03 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 1.00 MILLIMETERS MINIMUM AND 1.03 MILLIMETERS MAXIMUM |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 8.00 MILLIMETERS NOMINAL |
| HEAD HEIGHT | 2.40 MILLIMETERS NOMINAL |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |