Part Details | MACHINE SCREW
5305-00-766-7653 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: R1057P4, R1057P4, 5305-00-766-7653, 00-766-7653, 5305007667653, 007667653
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1960 | 00-766-7653 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON EXTENDED WASHER
Cross Reference | NSN 5305-00-766-7653
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| R1057P4 | 24446 | GENERAL ELECTRIC COMPANY |
| R1057P4 | 99207 | GENERAL ELECTRIC COMPANYDBA GE |
Technical Data | NSN 5305-00-766-7653
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.313 INCHES MINIMUM |
| FASTENER LENGTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| SCREW MATERIAL | IRON ALLOY 660 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.250 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.212 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.312 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| BEARING SURFACE OF HEAD SURFACE FINISH | 63.0 MICROINCHES |