Part Details | SOCKET HEAD CAP SCREW
5305-01-377-3320 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
Alternate Parts: MILF18240 TYN 51618UNC3A, MIL-F-18240 TYN 5/16-18UNC-3A, 5361662 ITEM 22, 5305-01-377-3320, 01-377-3320, 5305013773320, 013773320
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUL 14, 1993 | 01-377-3320 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HEXAGON
Cross Reference | NSN 5305-01-377-3320
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MIL-F-18240 TYN 5/16-18UNC-3A | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| 5361662 ITEM 22 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 5305-01-377-3320
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.639 INCHES NOMINAL |
| FASTENER LENGTH | 0.639 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL |