Part Details | MACHINE SCREW
5305-01-034-2821 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: SC171148, SC1711-4-8, BA4509548, BA45095-4-8, 10636348, 106363-4-8, 10636348, 106363-4-8, AIC8448, AIC84-4-8, 2021552348, 202-15523-4-8, 5305-01-034-2821, 01-034-2821, 5305010342821, 010342821
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 22, 1977 | 01-034-2821 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
TORQUE SET
Cross Reference | NSN 5305-01-034-2821
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SC1711-4-8 | 06950 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| BA45095-4-8 | 97928 | HUCK INTL INC |
| 106363-4-8 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| 106363-4-8 | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
| AIC84-4-8 | 06725 | SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES |
| 202-15523-4-8 | 80378 | TRIUMPH AEROSTRUCTURES, LLCDBA TRIUMPH AEROSTRUCTURES - VOUGHT |
Technical Data | NSN 5305-01-034-2821
| 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 | 0.317 INCHES MINIMUM AND 0.384 INCHES MAXIMUM |
| FASTENER LENGTH | 0.827 INCHES MINIMUM AND 0.874 INCHES MAXIMUM |
| SCREW MATERIAL | 0$DST0028$DST6150$DST8735$DST8740 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BMIL-S-5626$CMIL-S-5000$DMIL-S-8503$EMIL-S-6098$FMIL-S-6049 3RD MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.362 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | TORQUE SET |