Part Details | SOCKET HEAD CAP SCREW
5305-01-443-7149 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: L320001149, 5305-01-443-7149, 01-443-7149, 5305014437149, 014437149
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 16, 1997 | 01-443-7149 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
HEXAGON
Cross Reference | NSN 5305-01-443-7149
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| L320001149 | 36090 | LOCKHEED MARTIN LIBRASCOPECORP |
Technical Data | NSN 5305-01-443-7149
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES MINIMUM |
| FASTENER LENGTH | 1.312 INCHES NOMINAL |
| HEAD STYLE | 6 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |
| SPECIAL FEATURES | 1.000 MIN EDM SLOT ALONG LENGTH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |