Part Details | MACHINE SCREW
5305-00-139-0635 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: 687152613, 6871526-13, 687152613, 6871526-13, 5305-00-139-0635, 00-139-0635, 5305001390635, 001390635
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | AUG 27, 1971 | 00-139-0635 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-139-0635
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6871526-13 | 73342 | ALLISON TRANSMISSION, INC. |
| 6871526-13 | 63005 | ROLLS-ROYCE CORPORATION |
Technical Data | NSN 5305-00-139-0635
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.468 INCHES MINIMUM AND 0.571 INCHES MAXIMUM |
| FASTENER LENGTH | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM |
| SCREW MATERIAL | STEEL COMP 630 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |