NSN 5305-00-018-0121
Part Details | HEXAGON HEAD CAP SCREW
5305-00-018-0121 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: 214697, 180121, 1251068, 125-1068, 180121, FFS85, FF-S-85, 180121, 180121, 4AX58, 180121, 60X3230, 180121, 180121, 5305-00-018-0121, 00-018-0121, 5305000180121, 000180121
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1961 | 00-018-0121 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5305-00-018-0121
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 214697 | 21450 | ARMY WEAPONS COMMANDATTN AMSWE-REE-S |
| 180121 | 21450 | ARMY WEAPONS COMMANDATTN AMSWE-REE-S |
| 125-1068 | 94033 | CARDWELL CONDENSER CORPLAPOINTE-ADMIRAL DIV |
| 180121 | 56442 | DIAMOND REO TRUCK CO |
| FF-S-85 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 180121 | 24617 | GENERAL MOTORS CORP |
| 180121 | 7X677 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
| 4AX58 | 76040 | MACK TRUCKS INCPARTS OPN |
| 180121 | 72582 | MTU AMERICA INC. |
| 60X3230 | 95201 | NAPCO INTERNATIONAL LLC |
| 180121 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIOPLANT |
| 180121 | 81381 | STEWART & STEVENSON POWER PRODUCTSLLC |
Technical Data | NSN 5305-00-018-0121
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| THREAD LENGTH | 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| FASTENER LENGTH | 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 2A |
| MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 92000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 81348-FF--85 GOVERNMENT SPECIFICATION AND 24617-180121 MANUFACTURERS STANDARD |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 3 TO 8-16IN. SIZE |
