NSN 5305-00-170-1421
Part Details | MACHINE SCREW
5305-00-170-1421 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: MS955402, MS9554-02, MS955402, MS9554-02, 1106001, 1106-001, 5305-00-170-1421, 00-170-1421, 5305001701421, 001701421
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | FEB 11, 1973 | 00-170-1421 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON W/ HOLE
Cross Reference | NSN 5305-00-170-1421
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS9554-02 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS9554-02 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| 1106-001 | 66503 | WOODWARD, INC.DBA WOODWARD |
Technical Data | NSN 5305-00-170-1421
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.162 INCHES MINIMUM AND 0.202 INCHES MAXIMUM |
| FASTENER LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| SCREW MATERIAL | IRON ALLOY 660 |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |
| HEAD STYLE | DOUBLE HEXAGON W/ HOLE |
| HEAD HEIGHT | 0.218 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.187 INCHES NOMINAL |
| EXTENDED WASHER DIAMETER | 0.270 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM |
| BEARING SURFACE OF HEAD SURFACE FINISH | 32.0 MICROINCHES |
| END ITEM IDENTIFICATION | W/S: ENGINE, AIRCRAFT TF-34 |
