Part Details | MACHINE SCREW
5305-01-284-2993 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: MA2LE132, LE11100320403, LE111-0032-0403, SCI785T43, SCI785T-4-3, LE11100320403, LE111-0032-0403, FIT11100320403, FIT111-0032-0403, HR1324T3, HR132-4T3, A0320403, A032-0403, A0320403, A032-0403, HR1324T3, HR132-4T3, SII10870403, SII-1087-0403, 123181A4T3, AIC403843, AIC4038-4-3, PBF13780403, PBF1378-0403, W11100320403, W111-0032-0403, 5305-01-284-2993, 01-284-2993, 5305012842993, 012842993
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | AUG 22, 1988 | 01-284-2993 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
TORQUE SET
Cross Reference | NSN 5305-01-284-2993
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MA2LE132 | 58845 | ABOUNDING SECURITY INCDIV OF MAA CORP |
| LE111-0032-0403 | 58845 | ABOUNDING SECURITY INCDIV OF MAA CORP |
| SCI785T-4-3 | 06950 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| LE111-0032-0403 | 43999 | BOEING COMPANY, THEDBA BOEING |
| FIT111-0032-0403 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T |
| HR132-4T3 | 73197 | HI-SHEAR CORPORATION |
| A032-0403 | 17446 | HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND |
| A032-0403 | 97928 | HUCK INTL INC |
| HR132-4T3 | L4528 | LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC |
| SII-1087-0403 | 57928 | SONIC INDUSTRIES INC. |
| 123181A4T3 | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
| AIC4038-4-3 | 06725 | SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES |
| PBF1378-0403 | 27624 | SPS TECHNOLOGIES, LLCDBA PB FASTENERS |
| W111-0032-0403 | 60516 | WEST COAST AEROSPACE INC |
Technical Data | NSN 5305-01-284-2993
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.401 INCHES MINIMUM AND 0.451 INCHES MAXIMUM |
| FASTENER LENGTH | 0.599 INCHES MINIMUM AND 0.629 INCHES MAXIMUM |
| SCREW MATERIAL | 8$DST4140$DST8740$DST8735$DST6150 |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.461 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | TORQUE SET |