NSN 5305-00-057-4520
Part Details | SOCKET HEAD CAP SCREW
5305-00-057-4520 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: CA2730411, CA2730-4-11, AS1040411, AS104-04-11, CC00035411, CC00035-4-11, 5305-00-057-4520, 00-057-4520, 5305000574520, 000574520
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JUN 01, 1967 | 00-057-4520 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-057-4520
Part Number | Cage Code | Manufacturer |
---|---|---|
CA2730-4-11 | 29372 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
AS104-04-11 | 84256 | AVIBANK MFG., INC. |
CC00035-4-11 | 81755 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
Technical Data | NSN 5305-00-057-4520
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
FASTENER LENGTH | 1.146 INCHES NOMINAL |
HEAD STYLE | 9 CROWNED HEXAGON |
HEAD DIAMETER | 0.3742 INCHES MINIMUM AND 0.3747 INCHES MAXIMUM |
HEAD HEIGHT | 0.253 INCHES MINIMUM AND 0.273 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | HEXAGON |
WIDTH ACROSS FLATS | 0.1875 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM |