Part Details | HEXAGON HEAD CAP SCREW
5305-01-163-2438 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.
Alternate Parts: 9440300, 9440184, 9440300, 5305-01-163-2438, 01-163-2438, 5305011632438, 011632438
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 29, 1983 | 01-163-2438 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
Cross Reference | NSN 5305-01-163-2438
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 9440300 | 11862 | GENERAL MOTORS CORPCHEVROLET MOTOR DIV |
| 9440184 | 11862 | GENERAL MOTORS CORPCHEVROLET MOTOR DIV |
| 9440300 | 7X677 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
Technical Data | NSN 5305-01-163-2438
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNRC |
| THREAD LENGTH | 1.028 INCHES MINIMUM |
| FASTENER LENGTH | 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 2A |
| MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 92000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.283 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.056 INCHES MINIMUM AND 0.071 INCHES MAXIMUM |
| SPECIAL FEATURES | FLANGED HEAD |