Part Details | SOCKET HEAD CAP SCREW
5305-00-978-9381 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: 5812180, 58-12180, 5305009789381, 10560246, 491285204, 4912852-04, MS1699763, MS16997-63, 517156, 70072508, 70072-508, MS1699763, MS16997-63, 5305-00-978-9381, 00-978-9381, 5305009789381, 009789381
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1962 | 00-978-9381 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HEXAGON
Cross Reference | NSN 5305-00-978-9381
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 58-12180 | 70276 | ALLEN MFG COSUB OF CHICAGO PNEUMATIC TOOL CO |
| 5305009789381 | SCY13 | E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES |
| 10560246 | 56161 | GENERAL DYNAMICS LAND SYSTEMS -CANADA CORP |
| 4912852-04 | 90536 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| MS16997-63 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| 517156 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NAVIGATION AND MARITIME SYSTEMS |
| 70072-508 | 14028 | SYPRIS ELECTRONICS, LLC |
| MS16997-63 | 60074 | USI, INC. |
Technical Data | NSN 5305-00-978-9381
| 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 | 1.101 INCHES MINIMUM AND 1.150 INCHES MAXIMUM |
| FASTENER LENGTH | 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 CROWNED HEXAGON |
| 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 | 0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |