Part Details | HEXAGON HEAD CAP SCREW
5305-01-020-5243 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: 556507, 551690, 3275432, 5305-01-020-5243, 01-020-5243, 5305010205243, 010205243
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 30, 1976 | 01-020-5243 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
Cross Reference | NSN 5305-01-020-5243
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 556507 | 15434 | CUMMINS INC. |
| 551690 | 15434 | CUMMINS INC. |
| 3275432 | 15434 | CUMMINS INC. |
Technical Data | NSN 5305-01-020-5243
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| THREAD LENGTH | 1.420 INCHES MINIMUM AND 1.480 INCHES MAXIMUM |
| FASTENER LENGTH | 11.376 INCHES MINIMUM AND 11.402 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 2A |
| HEAD HEIGHT | 0.560 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.554 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.180 INCHES NOMINAL |