Part Details | SOCKET HEAD CAP SCREW
5305-01-277-4981 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: 60230087, 60-23-0087, 68088862, 6808886-2, 7084674144 ITEM 6, 708-4674144 ITEM 6, 5305-01-277-4981, 01-277-4981, 5305012774981, 012774981
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 22, 1988 | 01-277-4981 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-277-4981
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 60-23-0087 | 96169 | ELECTRIC BOAT CORPORATION |
| 6808886-2 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 708-4674144 ITEM 6 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 5305-01-277-4981
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.472 INCHES MINIMUM AND 0.597 INCHES MAXIMUM |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 0 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |