Part Details | MACHINE SCREW
5305-00-917-0993 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Alternate Parts: 51B22123, 51B221-23, 51B22123, 51B221-23, 51B22123, 51B221-23, 51B22123, 51B221-23, 51B22123, 51B221-23, 51B22123, 51B221-23, 51B22123, 51B221-23, 51B22123, 51B221-23, 51B22123, 51B221-23, 51B22123, 51B221-23, 5305-00-917-0993, 00-917-0993, 5305009170993, 009170993
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUL 18, 1966 | 00-917-0993 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
TORQUE SET
Cross Reference | NSN 5305-00-917-0993
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 51B221-23 | 06950 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| 51B221-23 | 73197 | HI-SHEAR CORPORATION |
| 51B221-23 | 17446 | HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND |
| 51B221-23 | 97928 | HUCK INTL INC |
| 51B221-23 | L4528 | LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC |
| 51B221-23 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE |
| 51B221-23 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES,INC. |
| 51B221-23 | 85495 | PRECISION FASTENING SUB OMARKINDUSTRIES INC |
| 51B221-23 | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
| 51B221-23 | 06725 | SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES |
Technical Data | NSN 5305-00-917-0993
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.276 INCHES MINIMUM |
| FASTENER LENGTH | 1.423 INCHES MINIMUM AND 1.470 INCHES MAXIMUM |
| SCREW MATERIAL | 0$DST4140$DST8740 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BMIL-S-5000$CMIL-S-5626$DMIL-S-6049 3RD MATERIAL RESPONSE |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 3 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.381 INCHES NOMINAL |
| HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | TORQUE SET |
| SHANK SURFACE FINISH | 32.0 MICROINCHES |
| SPECIFICATION/STANDARD DATA | 76823-51B221 MANUFACTURERS STANDARD |