NSN 5305-00-051-0870
Part Details | MACHINE SCREW
5305-00-051-0870 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: 7S374A5, 7S37-4A5, 5305-00-051-0870, 00-051-0870, 5305000510870, 000510870
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1961 | 00-051-0870 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
TORQUE SET
Cross Reference | NSN 5305-00-051-0870
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7S37-4A5 | 43999 | BOEING COMPANY, THEDBA BOEING |
Technical Data | NSN 5305-00-051-0870
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.316 INCHES MINIMUM |
| FASTENER LENGTH | 0.613 INCHES MINIMUM AND 0.643 INCHES MAXIMUM |
| SCREW MATERIAL | 0$5$6$7$8$9$DST1020 |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | TORQUE SET |
