NSN 5305-00-021-5259
Part Details | HEXAGON HEAD CAP SCREW
5305-00-021-5259 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.
Alternate Parts: FFS85TYPE2STYLE10P, 5305-00-021-5259, 00-021-5259, 5305000215259, 000215259
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-021-5259 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

HEXAGON FLATS

Cross Reference | NSN 5305-00-021-5259
Part Number | Cage Code | Manufacturer |
---|---|---|
FFS85TYPE2STYLE10P | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 5305-00-021-5259
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
THREAD LENGTH | 2.000 INCHES MINIMUM |
FASTENER LENGTH | 3.000 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
THREAD DIRECTION | RIGHT-HAND |
NOMINAL THREAD DIAMETER | 0.875 INCHES |
THREAD QUANTITY PER INCH | 14 |
THREAD CLASS | 2A |
HEAD HEIGHT | 0.547 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 1.312 INCHES NOMINAL |
HOLE CONFIGURATION STYLE | HEXAGON FLATS |
HOLE TYPE | DRILLED |
HOLE QUANTITY | 3 |
HOLE DIAMETER | 0.125 INCHES NOMINAL |