NSN 5305-00-078-7021
Part Details | SOCKET HEAD CAP SCREW
5305-00-078-7021 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: 5305000787021, M34AS420R10C, 8743911, 8743903, 5305-00-078-7021, 00-078-7021, 5305000787021, 000787021
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-078-7021 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-078-7021
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5305000787021 | A00AM | E.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES |
| M34AS420R10C | 26233 | NYLOK CORPORATIONDBA NYLOK WESTERN FASTENER |
| 8743911 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
| 8743903 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 5305-00-078-7021
| 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 | 0.625 INCHES MAXIMUM |
| FASTENER LENGTH | 0.625 INCHES NOMINAL |
| HEAD STYLE | 4 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |