Part Details | SOCKET HEAD CAP SCREW
5305-01-256-5199 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: 47B530980P4, 47B530980P4, 5305-01-256-5199, 01-256-5199, 5305012565199, 012565199
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 05, 1987 | 01-256-5199 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HEXAGON
Cross Reference | NSN 5305-01-256-5199
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 47B530980P4 | 23991 | LOCKHEED MARTIN CORPORATIONDBA ROTARY AND MISSION SYSTEMS |
| 47B530980P4 | 79272 | LOCKHEED MARTIN CORPORATIONDIV SPACE SYSTEMS COMPANY |
Technical Data | NSN 5305-01-256-5199
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.542 INCHES MINIMUM AND 0.609 INCHES MAXIMUM |
| FASTENER LENGTH | 0.604 INCHES MINIMUM AND 0.609 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM |
| HEAD HEIGHT | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM |
| SPECIAL FEATURES | SUPPLEMENTAL COATING WITH CHROMATE OPTIONAL NO MIN. THICKNESS REQUIRED,BUT 100 PERCENT COVERAGE IS REQUIRED |
| CRITICALITY CODE JUSTIFICATION | SUPP |
| NUCLEAR HARDNESS CRITICAL FEATURE | HARDENED |
| SUPPLEMENTARY FEATURES | ITEM HAS OTHER CRITICAL FEATURES SUCH AS TOLERANCE, FIT RESTRICTIONS OR APPLICATION AS WELL AS BEING NUCLEAR HARD |